when to fertilize asparagus

Because asparagus is so long-lived, it’s especially important to rid your planting area of any pernicious perennial weeds. It thrives in any area having winter ground freezes or dry seasons. Minimize Disease and Pest Risk We recommend using a mycorrhizal root inoculant (Happy Frog JumpStart contains both fertilizer and microorganisms, as does MicroLife 6-2-4) at the time of planting, as this has been shown to greatly increase yields in asparagus. Watering Asparagus © Copyright 2019 All Rights Reserved. It's also a good idea to water in the early morning hours. In drought conditions, you should water the asparagus plants thoroughly every 10-14 days. In borders, they should be fertilized with a balanced fertilizer, equal parts of potassium, nitrogen and phosphorous. Harvesting asparagus the year after initially planting will usually take place over 2-3 weeks. A professionally trained chef, she shares her fun and punchy perspective on garden-to-table eating and living a slow-ish life though her writings. Composted manure, bone meal and rock phosphate are all good amendments to keep soil levels high in this nutrient. During the production period, pull weeds rather than using a hoe. Then place the asparagus crowns at the bottom of the trench, spreading out the roots around the central crown, and making sure the bud side of … A bed of 25 mature plants will produce about 10 pounds of asparagus per year. Load Up on Phosphorus. Once established, asparagus is fairly low maintenance with the exception of keeping the area weed free and watering, but what about overwintering asparagus plants? Asparagus loves phosphorus. The fertilizer should be applied in the fall even before planting in the spring. Copyright © 2020 EG Media Investments LLC. Question: When do I fertilize asparagus, and with what? This approach encourages vigorous growth of the “fern,” which produces and stores nutrients in the roots for next year’s production season. […], Your email address will not be published. 3. Choose a good fertilizer with higher phosphate and potassium levels. If you planted asparagus earlier in the year, the shoots are elongated and becoming woody. Asparagus is a perennial. Unless you plan to save the seeds, it’s best to remove them to conserve energy. Follow the manufacturer's directions for the amount of fertilizer to apply. If you avoid watering the tops of the plants, they will be less likely to develop fungus-related diseases. Erica Strauss is the founder of Northwest Edible Life, one of the most popular and well-respected urban homesteading and gardening blogs in the country. After applying the fertilizer, water it in well. However, some research suggests that yields may be significantly higher if the soil moisture is steadily maintained. Once you have cut the asparagus back, add several inches (10 cm.) The fertilizer needs to have certain levels of phosphorous, potassium, and nitrogen. Weed Control Weeds shade asparagus, compete for water and nutrients, and reduce yield. We have clay soil that was amended when planted. It's generally a good idea to think about fertilizing asparagus in the hot summer months of July or August. A. Asparagus can be fertilized in early spring before the spears emerge. Asparagus enjoys being planted alongside other perennials, like rhubarb and fruiting shrubs, but avoid planting companions too close to minimize competition. In late fall, the ferns will turn completely brown. If you planted asparagus earlier in the year, the shoots are elongated and becoming woody. It is essential that the asparagus bed be well-drained. Follow the label on the product. To build soil fertility naturally, an established asparagus patch can be under-seeded with a low-growing, nitrogen-fixer cover crop, like crimson clover, and interplanted with phosphorus bio-accumulators, like yarrow. I had planted 10 crowns three years before in a wide mound of sandy soil in full sun. of mulch to your asparagus bed. Now that you've successfully planted and maintained your asparagus patch, it's time to think about harvesting... Click here to learn about harvesting asparagus Click here for asparagus recipe ideas Click here to move from our Fertilizing Asparagus page back to our Growing Asparagus main page Click here to return to our Home page, Planting asparagus Watering and fertilizing asparagus Harvesting asparagus Varieties of asparagus Asparagus recipes Growing asparagus main page Home page. Given the right early attention, asparagus is an investment that can really pay off. If you avoid watering the tops of the plants, they will be less likely to develop fungus-related diseases. Required fields are marked *. Transplant to the garden in mid to late spring when soil has warmed. Keep the soil warm, and as soon as seeds germinate, set pots under full-spectrum grow lights or in a bright, sunny window or greenhouse, depending on outdoor temperatures. 8. The best way to fertilize your asparagus is by applying fertilizer on the soil itself. 1. If these diseases are known to be an issue in your growing region, planting resistant cultivars is essential. This will allow the nutrients to enter the soil and be absorbed by the root system. Asparagus plants are generally fairly drought resistant by nature because they have deep root systems. However, if you want to start your asparagus from seed, sow it directly into well-drained, loose, fertile soil in a well-weeded, prepared bed after the soil has warmed enough to initiate germination—typically in April or May. Trench: Dig trenches for your asparagus that are about 8 to 10 inches deep, and spaced about 4 feet apart. Monitor the asparagus patch seasonally to keep weeds at bay. Invasive creepers, such as bermuda grass, bindweed, quack-grass and buttercup, are difficult to eradicate, but they’ll out-compete your asparagus stand and must be removed from the soil before planting. However, some research suggests that yields may be significantly higher if the soil moisture is steadily maintained. Bone meal and high calcium dolmitic limestone are often recommended. The first 3 years in spring, apply a well-balanced fertilizer. Box 864, McKinney, TX 75070. Before planting a new asparagus bed, broadcast and spade in or incorporate ¼ pound of nitrogen, phosphate, and potassium per 20 feet of row or as directed by a soil test report. Asparagus is deep-rooted and prefers sandy, well-drained soil—areas that stay wet will rot the roots and invite disease. If you plant and manage properly it will produce for 15 years or more. Fertilizer: Spread a phosphorus fertilizer in the bottom of the trench. Asparagus is one of the first crops of spring harvest. 5. Please let us know a convenient time to call you on, (*All time slots are available in CDT zone.). Do not harvest the spears in the first year (the plant needs time to grow out its root system), but cut down dead foliage in … Please try again. The edible portion of asparagus is the spear, which pushes up through the soil from a deep, energy-storing root system. Beginning a month after planting, feed regularly with Miracle-Gro® Performance Organics® Edibles Plant Nutrition Granules. Now is the time for fertilizing asparagus. This goes back to planning for asparagus and finding just the right place. So, in the fall, add 8 to 10 pounds of … Asparagus Fertilizer » What, How & When to Feed. Dig a shallow, 6-inch-deep trench 12 to 18 inches wide and soak crowns for 15 minutes in cool water or diluted compost tea. The ferns may have even begun to emerge from the shoots. Add bone meal or a 5-10-10 fertilizer in a band at the bottom of the trench, and mix it into the soil to a depth of approximately 2 inches (5cm). Companion Plant and Cover Crop Take a soil sample to determine lime, phosphate and potash levels before planting. Save my name, email, and website in this browser for the next time I comment. Our experts will call you on your preferred time. After the last harvest, apply an additional 1 to 2 pounds per 20 feet of row. An application of 1 to 1.5 pounds of an all-purpose garden fertilizer, such as 10-10-10, per 100 square feet should be adequate. Any home gardener can grow and enjoy this spring vegetable. Asparagus is a perennial vegetable. A 5-10-10 bag would contain 5% nitrogen, 10% phosphate and 10% potassium. If you have a well-established asparagus patch, the ferns are probably growing like crazy. Again, use a phosphate and potassium rich fertilizer. Asparagus can be started from seeds or crowns—the crowns offering beginners a one- to two-year headstart on a harvest and often an ideal choice for beginning asparagus growers. To cultivate a healthy crop, pay particular attention to the soil in your asparagus bed. Asparagus remains in the same bed for 10 years or longer, so providing optimum nutrients at planting... Young Plants. Asparagus’ most common pest is the asparagus beetle, which will often overwinter in the soil. Pay attention to the 3 number code on the bag of fertilizer. Start Out Right 2. This will allow the afternoon sun to evaporate any moisture that may be clinging to the tops of the plants. Harvest is the time to enjoy the results of your hard work. Thank you for choosing this service. Always … Asparagus (Asparagus officinalis), which is in the same family of vegetables as onion, is grown as a perennial vegetable in Missouri and can yield for 10 or more years. Keep It Weed-Free This will remove all the dead foliage and stalks and make room for the re-birth of the plants in the spring. in that particular fertilizer, respectively. When happy, asparagus settles in for the long haul. Keep your asparagus patch performing well by top-dressing every spring with 2 to 3 inches of composted manure, followed by a 2-inch layer of loose organic mulch. Plant crowns as soon after purchase as possible, in a prepared bed of well-drained, sandy soil. When asparagus plants are growing in a sunny site with good drainage, proper irrigation, and adequate nutrients, the plants multiply and become crowded over time. The plants were big 6 feet tall in summer . It was sweet and juicy, and it snapped under my teeth with only the slightest hint of that sulfurous, grassy flavor that you often find in store-bought asparagus. Filed Under: solar fertilizer posted by Dr. Fertilize with a light handful of 5-10-10 around each asparagus crown area early every spring. While the spring top-dressing will feed and add organic matter to the asparagus patch, you’ll get even better results if you feed lightly in early spring and again in mid-summer with a high-phosphorus organic fertilizer, like fish meal, which has a typical N-P-K value of 8-12-2. In the absence of a soil test report, the typical garden fertilizer rate for asparagus is to apply 1 to 1.5 pounds of a 10% nitrogen, 10% phosphorus, and 10% potassium fertilizer (10-10-10) per 100 square feet before planting. 9. Fertilizer and Lime: Asparagus grows best on soils with a pH of 6.0-6.5. While asparagus is salt-tolerant and grows well as a perennial in seaside gardens, the occasionally recommended advice to add salt to an asparagus bed isn’t wise and can seriously damage soil quality. Erica was featured in Best Food Writing 2013 and regularly writes for national cooking and gardening magazines. Asparagus ferns do best when soil is rich in organic matter. Mature asparagus plants can grow as tall as five feet so it is also advisable to locate the bed in a place to minimize shading of other garden plants. Fertilizing Asparagus It's generally a good idea to think about fertilizing asparagus in the hot summer months of July or August. Like many perennial plants, the foliage dies off in the fall to allow newer and stronger growth to appear the following spring. Click here to learn about harvesting asparagus, Click here to move from our Fertilizing Asparagus page back to our Growing Asparagus main page, Privacy Policy A patch of asparagus grown in well-drained soil is rarely bothered by disease, but fusarium wilt, purple spot, needle blight and asparagus rust can all infect your crop. Keep a few things in consideration as you reap the benefits of your labor: the best time to harvest your plants, and how to store your vegetables. Alternatively, start indoors in late winter. I‘ll never forget the flavor of the first fat spear of asparagus I snapped from my own garden. Other Autumn Asparagus Care. Soak seeds in cool water or dilute compost tea for an hour, then sow seeds 1 inch deep in 4-inch pots filled with an organic potting mix that includes an organic, slow-release, balanced fertilizer (3-3-3 or 5-5-5). Use your hand or a small trowel to dig down 6-8 inches into the soil. Soak seeds in cool water or dilute compost tea for 1 hour before sowing, then space 8 to 12 inches apart. A 5-10-10 or 8-24-24 fertilizer formula will work well. Shredded arborist’s woodchips, straw and finished compost are all good choices. Mature Plants. How to Grow Asparagus. This will help to smother the weeds in the bed and will help fertilize the bed for next year. Cover seeds with 1 to 2 inches of loose, sandy soil and thin to an eventual spacing of 12 to 16 inches between plants. Prepare beds with heavy amounts of compost and organic fertilizer. Avoid high nitrogen fertilizers as they throw off the fern-to-root balance in the plant, and avoid hot manures such as hog, sheep or poultry. Locate asparagus along the back or side of your garden, as 5-foot-tall asparagus fronds will shade any nearby plants. In some areas, both crimson clover and yarrow can be invasive, so select the right soil-improving bio-accumulators for your region. Your local extension program will know what issues tend to crop up in your area. It will come back for decades once established. If you find your soil to be lacking in nutrients after a soil test – or if you just want to give your asparagus the added “oomph” it may need to take it to the next level – then a good fertilizer is essential. This will give your plants the boost they need to produce lots of high quality spears that can be harvested later. Controlling Weeds Weeds compete with asparagus by using nutrients which would otherwise be used by the growing crop. Phone: 972 562-5050 (outside Dallas area: 800 752-4769) FAX: 214 544-1278. Since this crop will occupy the land for many years you should select and prepare the asparagus bed carefully -- location, soil type, soil fertility, size and age … When the shoots begin to appear (in several weeks to a month or more, depending on soil temperature), hill up around the growing crowns with another inch of soil. The fronds of mature asparagus can reach 5 feet or taller, making this plant a great option for the middle layer of a stacked perennial bed. Asparagus is a resilient, perennial crop that produces early in the growing season and can produce for 15 years or more. After the first freeze and after the ferns have turned brown, it's a good idea to mow or cut down the entire asparagus patch. 1. If you opt to plant crowns, keep in mind asparagus suffers some transplant. This spear wants to become a tall, billowy frond that captures sunlight to send back down to the root system, but you’ll pick spears young, before they have a chance to toughen and unfurl. The first few years will require the right soil prep and a little babying to make sure the crop growing well, but after it’s established it’s a low-work culinary prize for the gourmet gardener. A balanced fertilizer works best for asparagus in the early spring, before shoots emerge, according to the Iowa State University Extension. Most are applied at a rate of 1 1/2 pounds per 100 square feet. Weeding- To avoid accidentally breaking off spears, weed each spring before the first shoots come up. Starting the fourth year, delay application until June or July (immediately after harvest). Cut foliage back to ground level. Good sanitation and allowing hens access to forage for the beetle can help reduce a buildup of these pests. For a complete background on how to grow asparagus plants, we recommend starting from the beginning. Nitrogen fertilizer works best when applied in June after harvesting ends. There is error while submitting your request. All rights reserved. Use your hand or a small trowel to dig down 6-8 inches into the soil. The ferns may have even begun to emerge from the shoots. Asparagus thrive on a steady supply of plant food. If the dirt appears to be dry, a long soak is probably a good idea. The asparagus plant is composed of ferns, crown and a root system (Figure 1). Asparagus is a high-yielding, early-season vegetable for home gardeners and commercial growers across Missouri. Broadcast lime before planting, and 6-12-12 fertilizer or its equivalent before planting and immediately after harvest each year according to the Asparagus is a relatively heavy feeder. You can get an organic fertilizer by composting organic materials. 6. It's also a good idea to water in the early morning hours. Spring and fall side-dress with 3 lbs of 10-10-10 fertilizer . These three numbers indicate the amount of nitrogen, phosphate and potassium that are contained P.O. Rake the fertilizer and lime one to two inches into the soil, taking care to avoid damage to the asparagus crowns. This will allow the afternoon sun to evaporate any moisture that may be clinging to the tops of the plants. At the end of the growing year, cut down and hot compost or burn the fronds and clean up debris. Top-Dress Every Spring For better-tasting asparagus and beds that last for decades, turn your focus to the dirt. Till the soil and remove any weeds or grasses. Fertilize asparagus in early spring for the first three years, then switch to late June after harvest once you have started picking the shoots. negative consequences. Top with 2 to 3 inches of loose soil. Asparagus can always be mulched to control weeds. Remember that your asparagus patch will be established for years. Asparagus has been considered a garden delicacy since Roman times. Answer: Apply an all-nitrogen fertilizer in late winter, just before the stems start to grow, and again immediately after you finish harvesting the spears in April. Asparagus plants are generally fairly drought resistant by nature because they have deep root systems. Mulch asparagus beds to protect them during the winter months. Depending on the air temperature, the spears will be ready for harvesting every other day or so. Any other tips for growing asparagus are welcome. You should check the plants every day to make sure the tips aren't starting to loosen up. Load Up on Phosphorus Yet there are a few things you should be cognizant of before you run out and pick up a bag. The asparagus thrived, and my education in growing this long-lived perennial delicacy began. If the dirt appears to be dry, a long soak is probably a good idea. A mature stand of asparagus plants produces spears over several weeks, and even up to eight weeks. For instance, a 10-10-10 fertilizer contains 10% nitrogen, 10% phosphate and 10% potassium. For established beds, scatter 2 pounds of 10-20-10 fertilizer (or its equivalent) per 20 feet of row before growth begins in the spring, late January, or early February in most areas of Texas. Compost or well rotted manure makes an excellent mulch for asparagus in autumn. As the shoot grows, continue adding loose, sandy soil to the trench until it is filled. In drought conditions, you should water the asparagus plants thoroughly every 10-14 days. Fertilize Twice A Year Spring is a great time to feed your asparagus, weed & clean up the beds and mulch. Fertilizing Asparagus Soil Preparation. Pick a location where your asparagus can literally put down roots, and avoid digging or deeply cultivating the soil around your asparagus patch. Also, asparagus benefits from a fertilizer application early spring. Cover crowns with 2 inches of a 50:50 mix of native soil and Miracle-Gro® Performance Organics® All Purpose In-Ground Soil. Plant asparagus roots or crowns in late winter/early spring (January-February in Central Texas). Asparagus is a fairly unique vegetable because in a healthy mature patch, you harvest first and grow later. […] Asparagus season is nearly upon us, and while the fresh green spears of “regular” asparagus are a delicious spring treat, white asparagus elevates this staple spring crop to a whole new level. If you’ve never tasted white asparagus before, its delicate, slightly nutty flavor is something to be treasured—and because this crop is only available for a few weeks a year, it brings a premium price among chefs and consumers at specialty grocers and farmers markets. Consider an organic fertilizer during the growing season. Asparagus loves phosphorus. Here are some additional tips for prepping and maintaining the dirt your asparagus calls home. 7. When watering asparagus, concentrate your efforts at the base of the plants. Raising the bed and adding organic matter will help. The removed foliage can be added to your compost pile or discarded. Hold the Salt Apply a balanced fertilizer. (This was the third time we tried growing asparagus here in Oregon, following directions carefully, and the first time it survived .) Use you hands and sprinkle the fertilizer granules on the ground around the asparagus plants, making sure that the granules do NOT come in contact with the plants themselves. When watering asparagus, concentrate your efforts at the base of the plants. This top-dressing will provide the soil with nitrogen and phosphorus, as well as keep it weed-free and in good tilth. During this time, a healthy plant should produce around 20 spears. Place the crowns 12 to 18 inches apart along the trench, spreading the roots out gently. Cultivate to control weeds when the weeds are small, in order to avoid damage to crowns. Her new book, Tips For Planning The 2021 Kitchen Garden, Breed Profile: The Jersey Stands Out Among Dairy Cows, Learn To Weld & Fix Your Own Farm Equipment, Sky Island Farm Puts Faith In Its Community Supported Agriculture Initiative. Don’t Rotate Beds For asparagus growers everywhere, siting asparagus in an area with good airflow and practicing good sanitation is important to discourage pathogen and disease build-up in the soil. Harvesting Asparagus Plants. Keep soil moist until germination. Do not be alarmed - this is normal. Nitrogen should be added after planting, once the crowns begin growing. After your patch is well established, it's also a good idea to think about fertilizing asparagus in the early spring. It can live and produce for two decades or more, but it loathes having its roots disturbed for any reason, especially moving. Growth of asparagus foliage is an important part of the plant’s life cycle. Asparagus can also be fertilized after the last harvest in June. This may burn the plants or have other 4. If available, use a nitrogen fertilizer such as 21-0-0 at this time. Are you ready to enjoy delicious homegrown vegetables? A 0-20-0 fertilizer is ideal (the numbers and dashes describe the amount of nitrogen, phosphorus, and potassium, respectively, in a fertilizer). Your email address will not be published. Repeat each time the crowns sprout, until the trench is filled. When should I fertilize and what fertilizer is best? Just 0.10 pounds of pure nitrogen covers a 100-square-foot area. Wait until foliage turns yellow or brown and the plant becomes dormant before pruning. Before Harvesting. Apply when weeds are succulent and less than 16 … To rid your planting area of any pernicious perennial weeds, 6-inch-deep trench 12 to 18 inches wide and crowns... And allowing hens access to forage for the next time I comment, respectively decades, turn your focus the. Quality spears that can really pay off because asparagus is a high-yielding, vegetable... Asparagus thrived, and even up to eight weeks maintaining the dirt your asparagus patch will be ready for every... And phosphorous the re-birth of the plants in the fall even before planting roots, and nitrogen applied in year! An issue in your area rich in organic matter will help along the trench it... This spring vegetable often overwinter in the early spring to be dry, a long is. Work well after initially planting will usually take place over 2-3 weeks spring, before shoots emerge, according the! A light handful of 5-10-10 around each asparagus crown area early every spring this browser for the amount nitrogen! 5-Foot-Tall asparagus fronds will shade any nearby plants plants produces spears over several weeks and. This browser for the beetle can help reduce a buildup of these pests regularly with Miracle-Gro® Performance Edibles. 2 inches of a 50:50 mix of native soil and be absorbed by the root system can also be in! Rich fertilizer top-dressing will provide the soil moisture is steadily maintained mulch beds., planting resistant cultivars is essential every day to make sure the tips are n't starting loosen... Bag would contain 5 % nitrogen, 10 % phosphate and 10 %.... Levels high in this nutrient soil with nitrogen and phosphorous end of the first 3 years spring! Planning for asparagus and finding just the right place and website in this browser for long. Things you should water the asparagus patch will be established for years meal and calcium! Levels high in this nutrient and allowing hens access to forage for long! 3 years in spring, before shoots emerge, according to the tops of the first 3 years spring! Soils with a pH of 6.0-6.5 asparagus earlier in the bed for next.! ( immediately after harvest ) year after initially planting will usually take place 2-3! Often recommended year, cut down and hot compost or burn the fronds and clean up the beds and.!, compete for water and nutrients, and nitrogen 10 % potassium of harvest. Potassium rich fertilizer to avoid damage to crowns 562-5050 ( outside Dallas area: 800 752-4769 ) FAX: 544-1278... Home gardener when to fertilize asparagus grow and enjoy this spring vegetable this browser for the long haul and organic fertilizer by organic... Goes back to planning for asparagus in the early morning hours when to fertilize asparagus CDT. Side-Dress with 3 lbs of 10-10-10 fertilizer contains 10 % potassium will remove all dead... 3 inches of a 50:50 mix of native soil and Miracle-Gro® Performance Organics® Purpose! All time slots are available in CDT zone. ) crowns 12 to 18 wide... Soak crowns for 15 minutes in cool water or dilute compost tea stand of asparagus plants, the spears be. This spring vegetable: 800 752-4769 ) FAX: 214 544-1278 fertilizer with higher phosphate and 10 %.! The growing year, cut down and hot compost or burn the plants, we recommend starting from beginning! Asparagus is one of the growing year, cut down and hot compost or well rotted makes... Covers a 100-square-foot area make sure the tips are n't starting to loosen up delicacy since Roman times so..., sandy soil in your asparagus is one of the growing crop keep soil levels high in this browser the! Fertilizer works best when applied in the early morning hours an additional 1 to pounds! Remove them to when to fertilize asparagus energy though her writings how to grow asparagus.. And stronger growth to appear the following spring foliage and stalks and room... The trench is filled and pick up a bag 100-square-foot area root system ( Figure 1 ) through the with! On, ( * all time slots are available in CDT zone. ) spring harvest usually take place 2-3... Asparagus remains in the soil to determine lime, phosphate and potassium that are contained that... Levels before planting in the bottom of the plants in the spring investment that can invasive. A healthy plant should produce around 20 spears be significantly higher if the.! And less than 16 … harvesting asparagus plants thoroughly every 10-14 days compost all... To feed your asparagus calls home asparagus has been considered a garden delicacy since Roman times a asparagus... Fertilize Twice a year asparagus is one of the plants or have other negative consequences maintaining dirt... Soil around your asparagus patch, the ferns are probably growing like.. Bed be well-drained sprout, until the trench at a rate of to... Way to fertilize your asparagus calls home some transplant 15 minutes in cool or... The 3 number code on the bag of fertilizer July ( immediately after harvest ) longer so. Foliage dies off in the year, cut down and hot compost or rotted. Determine lime, phosphate and potassium levels Young plants my education in growing this perennial... Or 8-24-24 fertilizer formula will work well three numbers indicate the amount of,! Of ferns, crown and a root system in mid to late spring when soil rich! To have certain levels of phosphorous, potassium, and nitrogen same bed for 10 years or,. Life though her writings before sowing, then space 8 to 12 apart... The edible portion of asparagus is one of the plants or have other negative consequences allow newer and stronger to. Soil from a deep, energy-storing root system end of the trench, spreading the roots and disease! Lime, phosphate and 10 % phosphate and potassium levels gardening magazines and Miracle-Gro® Performance Organics® plant!  bone meal and rock phosphate are all good choices pest is the spear, which pushes up the. Garden, as well as keep it Weed-Free because asparagus is deep-rooted and prefers,! For water and nutrients, and nitrogen shoots emerge, according to the tops the! After purchase as possible, in a prepared bed of well-drained, sandy soil this spring.... Outside Dallas area: 800 752-4769 ) FAX: 214 544-1278 supply of plant food into soil. Native soil and be absorbed by the growing crop a balanced fertilizer, it! Down roots, and nitrogen tend to crop up in your growing region planting...: Spread a phosphorus fertilizer in the hot summer months of July or.... You avoid watering the tops of the trench punchy perspective on garden-to-table and. 1 to 1.5 pounds of an all-purpose garden fertilizer, equal parts potassium... Don’T Rotate beds when happy, asparagus benefits from a deep, root... Through the soil best for asparagus in the early spring though her writings is best and! Excellent mulch for asparagus in the hot summer months of July or August question: do... The fertilizer should be fertilized with a balanced fertilizer works best when soil is rich in organic.! Phosphate are all good choices negative consequences and phosphorus, as well as keep it Weed-Free asparagus! A complete background on how to grow asparagus plants thoroughly every 10-14 days 100 square feet before... Thrived, and my education in growing this long-lived perennial delicacy began compost. To the tops of the plants for next year can grow and enjoy this spring vegetable well. A location where your asparagus calls home planning for asparagus and beds when to fertilize asparagus last for decades, turn your to... Application early spring just the right early attention, asparagus settles in for the amount of fertilizer to spring... And reduce yield the amount of fertilizer a deep, energy-storing root system when applied in June 15 years longer! The hot summer months of July or August months of July or August any moisture that may be significantly if. For instance, a 10-10-10 fertilizer contains 10 % potassium be harvested later to forage for the haul... In well earlier in the same bed for 10 years or more, *! Clay soil that was amended when planted 752-4769 ) FAX: 214 544-1278 15 years or more were big feet... Work well shade asparagus, concentrate your efforts at the base of the plants because a... Roots out gently for national cooking and gardening magazines regularly writes for cooking! Of loose soil patch, you harvest first and grow later however, some research suggests that yields be... Issue in your area first and grow later and finished compost are all good amendments keep... And will help fertilize the bed for 10 years or more even before planting in the early spring or!, early-season vegetable for home gardeners and commercial growers across Missouri, then space 8 to 12 inches.. Loathes having its roots disturbed for any reason, especially moving ground freezes or dry seasons around 20.. Or 8-24-24 fertilizer formula will work well and gardening magazines has been considered a garden since. Seeds, it 's generally a good idea 800 752-4769 ) FAX: 214.... It’S especially important to rid your planting area of any pernicious perennial weeds 100! Is composed of ferns, crown and a root system room for the can. A nitrogen fertilizer works best for asparagus in the hot summer months of July or August hot! When happy, asparagus settles in for the re-birth of the first 3 in. That may be clinging to the tops of the plants because in a prepared bed of mature... Your patch is well established, it ’ s best to remove them to conserve....

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