A week before transplanting, harden off the seedlings in a cold frame or protected area such as a covered porch. Consider planting your new asparagus babies near your tomatoes. Taking three weeks to germinate and slow to get going, the asparagus seeds should be sown indoors 12 to 14 weeks before the target seedling set-out date, which should be after the danger of frost has passed. Many varieties of asparagus are available. Set the asparagus crown on top and drape the roots down around the sides. Asparagus repels nematodes that attack tomato plants while tomatoes repel asparagus beetles. Replanting Your Asparagus Make a mound of soil mixed with compost in your prepared trench. Don't let a lack of garden space keep you from growing and enjoying fresh veggies! How to grow asparagus – planting asparagus Asparagus can be raised from seed, but the most reliable method is to plant one-year-old dormant plants called ‘crowns’ in March. Fertilize in spring (after harvests, as the plants mature) and in late summer with a liquid fertilizer, compost tea or granular, balanced fertilizer. Asparagus takes two years to produce abundant harvests but is definitely worth the wait. of complete organic fertilizer per 10 foot (3 m.) of row and dig in gently. Planting asparagus seeds is a simple process, and it doesn’t matter whether you’ve saved your own seed, or purchased a package of asparagus seed. You can start asparagus from seed or from one-year-old roots, called “crowns.” Crowns grow vertically and horizontally. Seedlings are ready to transplant when they are 10-12 weeks old and all danger of frost in your area … Refer to the seed packet for a variety’s specific recommended spacing. The thought of tender-crisp asparagus fresh from your garden is tantalizing. The answer probably depends on what is important to you. Remember, don’t harvest the plant until its third year; allow the plant to set ferns and redirect its energy back into the plant. Growing asparagus in the home garden takes patience. Loosen the soil and incorporate two to four inches of organic matter such as compost or aged manure to a depth of eight inches. Space the transplants 18 inches (46 cm.) Choose one suited to your growing zone. To catch the seeds once completely dried, keep a bowl beneath them or gently tie a brown paper bag around the tops when hanging. Asparagus can also be planted in the fall. Allow plants to grow through fall. Plant the seeds 1/4 to 1/2 inch deep in a sterile seed mix. Keep them in temperatures of 65 to 80 F. (18-27 C.). It will take anywhere from three to six weeks for your asparagus to germinate. To plant asparagus crowns, dig trenches 12 inches wide and 6 inches deep (8 inches in sandy soil) down the center of the prepared bed. Mulch will also help retain moisture and regulate soil temperature. Asparagus seeds require three years to grow before they are ready to be harvested. Asparagus has a colorful history and seductive personality. Grow asparagus from seed is … Another way to grow them is by using the Asparagus crown, with its long, fleshy … When fronds brown, cut them two inches above ground and remove the spent foliage from the area. Asparagus can be grown from seed, but it is easier to plant one-year-old dormant plants, known as crowns, in March. Plant asparagus seeds or crowns in the garden in early spring as soon as the soil is workable. Asparagus seed can also be direct sowed when the soil has warmed to at least 60 degrees F. Plant seeds 3/4 to one inch deep. Soak seeds in water for up to 24 hours before sowing. Planting asparagus seeds is an exercise in patience, but one of the most rewarding of all garden tasks. The top of the crown should be about 2 inches beneath the soil surface. If you want thinner spears, space the transplants 8-10 inches (20-25 cm.) If done this way, cover the soil with mulch or plant a cool-season cover crop. Soil needs to be moist but not saturated. Place the tray or pots in a sunny, warm location and keep the soil moist. Don't miss HGTV in your favorite social media feeds. Plants to Grow With Asparagus Planting asparagus is an exercise in patience. Yet here, too, patience is required to provide time for the plants to establish and build their strength. A raised bed, that’s had a generous layer of organic compost added, is absolutely ideal. Asparagus is the crop that keeps on giving. In my cold Vermont climate, the last frost happens the first week of June. Preserve the garden-fresh flavor of this spring vegetable by stashing spears in the freezer. Sign up for our newsletter. This is the most basic purpose of care since asparagus can’t seek water, space, and supplements. The reason for this is that growing asparagus requires patience. Create a cost-effective mulch by laying five to 10 sheets of newspaper between asparagus rows. Transplant your asparagus seedlings to the asparagus bed once the seedlings have reached 6 … Seedlings can emerge in 10 to 14 days when the soil temperature is 75 degrees F. Thin seedlings after they grow their first set of true leaves. The seeds require three or more weeks to germinate, and the young seedlings that develop grow slowly, too. If so, how do you grow asparagus from seed and what other information on asparagus seed propagation might be helpful? Asparagus plants are easy to grow when you start them off right. Planting Asparagus: How To Make An Asparagus Bed, Asparagus Propagation: Learn How To Propagate Asparagus Plants, Controlling Asparagus Beetles: Organic Treatment For Asparagus Beetles, Planting A Giving Garden: Food Bank Garden Ideas, Giving To Food Deserts – How To Donate To Food Deserts, December To-Do List – What To Do In December Gardens, Gorse Bush Facts – Tips On Gorse Control In Landscapes, Pruning Pistachio Trees: Learn How To Prune Pistachio Nut Trees, Companion Plants For Cosmos – Learn About Cosmos Companion Plants, Cosmos Flower Diseases – Reasons Cosmos Flowers Are Dying, Recipes From The Garden: Pressure Cooking Root Vegetables, Gratitude For The Garden – Being Grateful For Each Growing Season, 7 Reasons To Do Your Garden Shopping Locally, Thankful Beyond Words – What Represents Gratefulness In My Garden. When you plant crowns, you skip the first season and go straight to the rooting stage. An economical way to grow Asparagus is by seed, or with seedlings. Start the seeds indoors 10 to 12 weeks before the last expected frost date in your area. If pests and diseases appear, contact your local Cooperative Extension Service for recommendations of controls that work well in your area. The top of the crown should be approximately 6\" below the soil surface. Most are hardy in zones 3 to 8. All rights reserved. Cover the roots with garden soil right up to the crown and water well. Crowns take three growing seasons before they are ready to be harvested! A very symbiotic relationship, indeed. Wet the paper to hold it in place and cover with leaf compost, grass clippings, straw, or other yard wastes. Your asparagus bed will be a permanent feature of your garden for years. And it is probably the most demanding vegetable there is to get started. "The older asparagus fern plants produce berries and are mildly toxic to humans and cats and dogs," she says. If grasses or … Growing from seed enables you to identify and remove female asparagus plants early so that you can plant an all-male bed to grow the most spears. But be prepared, this is no ordinary vegetable crop. Weeds and grass must be kept at bay at all times. Depending upon which option you choose at planting time – seeds, crowns, or starts – it can take several growing seasons before the bed you’ve lovingly prepared will play host to those tender, delicious springtime spears. The optimum pH range for asparagus is 6.5 to 7.0. Yet as with so many things in life, patience brings rewards. Soak the seeds for a couple of hours, then plant each seed ½ inch (1 cm.) Consider the plant’s beauty. deep. There are three ways to get asparagus seedlings: You can harvest seeds from the mature, red berries of female plants in late fall and start them in a greenhouse or... You can purchase asparagus seeds or seedlings from a seed company or nursery. Mix the compost and fertilizer with some garden soil and shape it into a little mound. Weeds and grass must be kept at bay at all times. The next year, you can harvest for three weeks, and in subsequent years, for four to six weeks, until new stalks are thin and spindly. deep in sterile soil, in individual 2-inch (5 cm.) Try these easy steps for canning your garden-grown asparagus. Set the crown on top of the mound, spreading the roots down the sides. How to Grow. A good rule of thumb is to plant 25 asparagus plants for a family of four. Privacy Policy. 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Work in well-rotted manure to the bottom of the trench and cover the base with a 5cm (2in) layer of the excavated soil. Join the party! Spruce up your outdoor space with products handpicked by HGTV editors. Germination may take 14 to 21 days or longer. Asparagus plants started from seed eventually will out-produce ones grown from crowns. This perennial can remain viable for 10-20 years, so choose your garden site carefully. Instructions to Grow Asparagus seed . Seedlings are ready to transplant when they are 10-12 weeks old and all danger of frost in your area has passed. Weeds and grass must be kept under control consistently. apart in rows set 3-6 inches (8-15 cm.) You may wish to use asparagus as an ornamental in your landscape and plant where the bed is in line of sight. Plant in full sun for the healthiest plants and harvests, although asparagus can tolerate partial shade. We placed the seeds inside a small, clean glass jar and placed them in a cool and dark location until the spring. So how do you go about planting asparagus seeds? Starting from seed saves money. Soak the crowns in compost tea for 20 minutes before planting. Planting at the right depth is important. You can grow asparagus from seeds, crowns (roots), or transplants. Plants can be grown in single or double rows. It’s recommended that you start asparagus seeds indoors or in a greenhouse in mid-February to May under bright lighting. The plants can tolerate some light shade but produce better in a … Sow seeds in moistened peat or seed-starting soil in flats or peat cups. Growing asparagus from seed truly takes patience. Once plants reach 12 inches in height, harden them off outdoors for a week. Watch Monty Don ‘s comprehensive guide to planting bare-root asparagus crowns, below. Grow plants in a block of two or more rows spaced 3 feet (.9 meters) to 4 feet (1.2 meters) apart. deep in sterile soil, in individual 2-inch (5 cm.) As a rule of thumb, 50 plants are regarded as sufficient to feed a family of four. Sow asparagus seeds indoors eight to 12 weeks before transplanting outside after the risk of frost has passed. Grow in raised beds if your soil is poor or is constantly wet. A cover crop not only protects the soil, but it will also add valuable organic material to it when you turn it under before spring planting. Sow the asparagus seeds about a 1/2 inch deep and about 2 or 3 inches apart. Even so, this is significantly faster than if you try growing asparagus from seeds. Soil that drains well is critical. Many gardeners buy established bare root stock when growing asparagus but can you grow asparagus from seeds? As shoots begin to appear, add more soil until the trench has been filled back up, level with the soil surface. We planted ‘Argenteuil’ a French heirloom variety. The most common way to plant asparagus crowns is in a trench. Plant asparagus crowns in a trench dug approximately 16 inches (40cm) wide and 6 inches (15cm) deep, and then space individual crowns 9 inches (23cm) to 18 inches (45.7cm) apart in the trench. Planting Asparagus In The Fall.Your current garden is reflecting your aesthetic feeling, creativity and your passion to the greens. Start seed indoors 12 to 14 weeks before the last frost. Asparagus Seeds germinate slowly, and the crowns take three seasons before they can handle being harvested. Seed-grown asparagus has other pluses, too. Asparagus plants can be planted in containers or raised beds as well, as long as the soil is nutrient-rich and … For climates that don't have deep winter freezes, UC 157 is … deep. tall in the late fall. Growing from these one year old dormant plants, called crowns, is the industry standard and what we used to think was the only way to grow them. That said, yes, asparagus seed propagation is very possible and a little cheaper than buying crowns. Plant asparagus in spring or fall in a sunny spot with nutrient-rich, well-drained soil. Asparagus Seeds - Growing Asparagus from seed pros and cons, variety, where to buy, costs Is growing from asparagus seeds more hassle than its worth? Fertilize in the spring with 1-2 cups (250-473 ml.) HGTV offers tips for growing and tending pumpkins. These points will help you find a good spot: Next, remove all weeds and grass from the intended bed. The biggest secret about asparagus is how easy and affordable it is to grow from seed, not only saving you money but also producing harvestable food faster than if purchasing crowns. Watering is vital for the first three years. You want a location that gets full sun, with rich, well-drained soil. However the grower’s patience is generously rewarded by early season harvests of asparagus … Their mild flavor makes spring onions a delicious addition to your kitchen repertoire. As the plant grows, cover the crown with soil and keep it moist (one inch of water per week). Once you have decided on your soil preparation method and gathered your materials, plant your asparagus crowns about 6 inches deep. Use irrigation or water early in the day to ensure foliage is dry by nightfall. Planting Asparagus. In the plant’s third year, you can begin regularly harvesting the spears. Most gardeners grow asparagus from crowns rather than seed. For the biggest crops, purchase all-male plants. Cut the asparagus spears 1-2 inches (3-5 cm.) Before even purchasing asparagus seed, you may want to get an early start on preparing a bed for them. Control weeds and grass by cultivation or use of mulch. Arrange the mounds so that each asparagus plant is about 18 inches apart. pots. apart, with the plant set 4 inches (10 cm.) Stop there to ensure the plant retains its strength to flourish the following year. Add mulch at this time if your area has cold winters. A video showing how I start my asparagus seeds successful and how and when I transplant asparagus seedlings. With this plan, you can start harvesting fresh, flavorful, nutritious salad ingredients in about a month. © 2020 Discovery or its subsidiaries and affiliates. Planting asparagus is very much like planting potatoes. Asparagus seeds, or berries, turn bright red in autumn. Asparagus (Asparagus officinalis) is a hardy perennial suited to USDA zones 2-8 and is native to Western Europe. below the ground, and at least 2 inches (5 cm.) It is not at risk of the transplant trauma that sometimes affects crowns or purchased young plants from a garden center. This is the most critical point of care because asparagus cannot compete for water, space and nutrients. Asparagus is often started from one-year crowns, however you can plant asparagus from seed, too! Likewise, you can purchase them from reputable suppliers. Asparagus takes a few seasons to mature but will reap a harvest for 15 to 30 years, so choose a planting location that will go undisturbed for a long time. Transplant seedlings or plants into the garden after the last frost. These plants thrive in a sunny, well-drained location, so be sure to select a spot that has at least 6- to 8-hours of full sunlight during the growing season. Learn two ways to hurry things up. For less than the cost of one asparagus crown — the nursery-grown roots that many purchase to start an asparagus plant with — you can buy a packet of seed capable of growing up to a hundred or more plants. There’s no trick to growing asparagus from seeds, just be patient. Every spring, asparagus plants send up tender shoots, which are then harvested to eat. Once the tops fall over, the tops can be collected and hung upside down in a warm, dry area for about a week or so to ripen. Asparagus plants can produce harvests for up to 30 years (or more), so choose a spot where the plants can be left undisturbed and will be out of your way. You may want more if you plan to freeze some for the winter. You can also use asparagus as a living green screen to hide a fence or unwanted view. If you do grow them that way then after planting leave for about two or three years for a strong root system to develop. Sow seeds 1/4-inch deep using a sterile seeding mix in individual 2-inch cells. Cover with 2-3 inches of soil mix initially. The first year after planting, it’s ok to harvest a few spears from each plant across a two-week period. Control weeds and grass by development or utilization of mulch. In cold climates, look for Jersey Giant or Jersey Knight. If you like thicker spears, plant them 12-14 inches (30-36 cm.) Asparagus plants produce abundantly for 15 to 25 years, but it will be two to three years before you can grow … Saving money is one of several advantages of starting asparagus from seed. Leave the rest to grow and feed the plant’s root system. Try out one of these varieties in your garden. If adjustments need to be made, it’s good to do so in the fall prior to planting, to allow the amendments to settle in over winter. This is the most critical point of care because asparagus cannot compete for water, space and ... Mulch will also help retain moisture and regulate soil temperature. Plant in full sun, after last frost After all danger of frost is passed, plant your asparagus seedlings in a well-prepared bed. Since you’re planting only once, choose a well-drained garden spot that gets plenty of sun for your permanent asparagus bed. Soak the seeds for a couple of hours, then plant each seed ½ inch (1 cm.) Here’s how you can benefit. Though you can plant asparagus from seeds, most people prefer to plant the dormant roots, also known as “crowns.” Plant your asparagus roots in the spring, care for them carefully, and they will provide stalks every … Combine your compost, fertilizer, or other organic matter, and create mounds with it about 18 inches apart. You may never go back to steaming with this flavor-packed recipe. If you are an asparagus lover, chances are good that you would like to include them in your garden. In the spring, dig a trench about 12 inches deep and 12 inches wide. Some varieties can also be planted in autumn. Soil temperatures for seed germination should be between 70-85 degrees F. (21-29 C.). A newly-planted asparagus bed can take about three years to establish its roots and become fully productive—but as a perennial vegetable, once it really gets going, an asparagus patch can continue to produce for decades. Good soil moisture is important at planting for good root and fern growth. When to Plant Asparagus. Asparagus is actually pretty easy to grow from seed or from the rootstock, but there are some considerations you must take. pots. Set the roots on the soil just like putting a crown on a head in your trench. Keep plant stems free of mulch to avoid rot. Cut the ferns down to 2 inches (5 cm.) Gently firm the soil and keep it evenly moist while the seeds germinate. Asparagus needs a soil pH of between 7.0 and 7.2 in fertile, well-draining soil. It’s not hard to grow asparagus from seed; it just adds an extra year onto the wait period until you can begin to harvest. Learn how to grow ingredients for a delectible year-round salad. Don't pick any of the crop, just let it grow naturally. To plant, dig a trench 30cm (12in) wide and 20cm (8in) deep. Asparagus is often grown from bare root stock crowns. These seeds can then be used for planting asparagus. When seedlings are two inches tall, transplant into a prepared bed, spacing 12 to 18 inches apart. The season usually lasts around 8-12 weeks. Don’t give up. Asparagus Planting Time. It is quite easy to have a very small piece of land from the backyard, yard or from the terrace dedicated intended for gardening. apart and set 6-8 inches (15-20 cm.) above the crown using a sharp knife or asparagus harvesting tool. They should sprout anywhere between 2-8 weeks from planting asparagus seeds. During their first season the seeds germinate and sprout, and after that they need two years to establish their long, spongy roots deep into the soil. They should sprout anywhere between 2-8 weeks from planting asparagus seeds. Asparagus is a delicious and healthy vegetable that’s way tastier if you grow it yourself. Get our best gardening advice and outdoor ideas delivered straight to your inbox. apart. A soil test will give you important information on pH and fertilization recommendations. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Sign up to get all the latest gardening tips! Learn how to cultivate a worldwide staple and ornamental plant with these easy-to-follow step-by-step instructions. If you have lots of patience and know that you are going to be living where this bed is being planted for many … How: keep up to date with all that 's happening in and the... Them 12-14 inches ( 46 cm. create mounds with it about inches! Of hours, then plant each seed ½ inch ( 1 cm. inches above ground and the! Your soil is workable life, patience brings rewards vegetable that’s way tastier if you do them! Above ground and remove the spent foliage from the area 12in ) wide 20cm... The seeds for a couple of hours, then plant each seed ½ inch ( 1.! Can be grown from bare root stock when growing asparagus from crowns rather than.! 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Them 12-14 inches ( 46 cm. garden after the risk of is... In rows set 3-6 inches ( 10 cm. and dark location until the spring, dig a about... Have decided on your soil preparation method and gathered your materials, plant your asparagus seedlings back to steaming this! Cost-Effective mulch by laying five to 10 sheets of newspaper between asparagus rows mix the compost and fertilizer some! Western Europe be used for planting asparagus seeds indoors or in a cold frame or protected such... 1-2 inches ( 30-36 cm. garden is tantalizing crowns in the spring back up, level the!, cut them two inches tall, transplant into a prepared bed, that’s had a layer. An asparagus lover, chances are good that you start them off for... Seed-Starting soil in flats or peat cups it into a prepared bed, that’s had a layer... System to develop 20cm ( 8in ) deep before planting F. ( C.! Take 14 to 21 days or longer packet for a week before transplanting, harden them off.! Plant your asparagus crowns is in line of sight makes spring onions a delicious to... Flavor of this spring vegetable by stashing spears in the plant’s third year you. Spring vegetable by stashing spears in the freezer planting asparagus seedlings surface, so choose your garden for years each ½. To six weeks for your asparagus seedlings in a sunny, warm location and keep it evenly while... Depth of eight inches placed the seeds for a week as sufficient to feed family. Be grown from crowns rather than seed after planting leave for about or... On your soil is poor or is constantly wet retains its strength flourish... From crowns trauma that sometimes affects crowns or purchased young plants from a garden center in... 10 to 12 weeks before transplanting, harden off the seedlings in a sunny, location... Intended bed you can begin regularly harvesting the spears and cats and dogs, '' she says down around sides... Before sowing between 7.0 and 7.2 in fertile planting asparagus seedlings well-draining soil set 6-8 inches ( 5 cm. deep. Favorite social media feeds develop grow slowly, too the last frost should anywhere. Keep up to the crown should be between 70-85 degrees F. ( 18-27 C. ) harden off the seedlings a... Yet here, too may take 14 to 21 days or longer or. Of your garden want thinner spears, plant them 12-14 inches ( 20-25 cm. layer organic. Tall, transplant into a little mound or purchased young plants from a garden center products! If your area has cold winters 3-5 cm. to appear, add more soil until the trench has filled! Approximately 6\ '' below the soil moist 10 foot ( 3 m. ) of row and in! Once plants reach 12 inches in height, harden them off outdoors for a variety’s specific recommended spacing March... There is to get started and nutrients stems free of mulch to avoid rot back to steaming with this,! Steaming with this plan, you may never go back to steaming with this flavor-packed recipe start asparagus... ( 21-29 C. ) tall, transplant into a prepared bed, spacing 12 to weeks. The optimum pH range for asparagus is a hardy perennial suited to USDA 2-8! Advice and outdoor ideas delivered straight to your inbox plant set 4 inches ( 30-36 cm. a... Do you grow asparagus from seed and what other information on asparagus seed, other... And remove the spent foliage from the intended bed gardening information on pH and fertilization recommendations Jersey Knight about inches! 15-20 cm. off right or peat cups in place and cover with compost. Care because asparagus can not compete for water, space, and supplements in!, and the young seedlings that develop grow slowly, and the crowns three. 6 inches deep mulch to avoid rot seeds 1/4 to 1/2 planting asparagus seedlings deep and inches! A well-drained garden spot that gets full sun for the plants to establish and build their strength third... These seeds can then be used for planting asparagus is an exercise in patience down to 2 inches 5... Or three years for a delectible year-round salad system to develop you like spears! Never go back to steaming with this plan, you can begin regularly harvesting the spears clean glass and. More weeks to germinate, and the young seedlings that develop grow slowly, too Know how: up... Zones 2-8 and is native to Western Europe fence or unwanted view mulch avoid. Inch deep and about 2 or 3 inches apart sunny spot with nutrient-rich, well-drained soil canning... Seed-Starting soil in flats or peat cups anywhere from three to planting asparagus seedlings weeks for your permanent asparagus.! Takes two years to grow before planting asparagus seedlings can handle being harvested grow it yourself space transplants... To steaming with this flavor-packed recipe demanding vegetable there is to get all the latest gardening tips mulch or a... Roots down the sides line of sight, which are then harvested to eat 30-36 cm. ml )! Or 3 inches apart, in individual 2-inch cells sometimes affects crowns or purchased young plants a. Weeks to germinate, and create mounds with it about 18 inches apart spring or in. Moist while the seeds indoors or in a cold frame or protected area such as a covered.. If pests and diseases appear, contact your local Cooperative Extension Service for recommendations of controls that work in... Usda zones 2-8 and is native to Western Europe a covered porch that. That each asparagus plant is about 18 inches apart done this way, cover the roots down sides... Most basic purpose of care since asparagus can’t seek water, space the transplants 18 (... Keep them in a well-prepared bed garden spot that gets full sun, after last frost important planting... It yourself control consistently permanent asparagus bed do n't let a lack of garden keep... N'T let a lack of garden space keep you from growing and enjoying fresh veggies is required to provide for! Eight to 12 weeks before the last frost, is absolutely ideal for 10-20,! Above ground and remove the spent foliage from the intended bed years for a delectible salad! Required to provide time for the winter your prepared trench get started humans cats. Spring, asparagus plants are easy to grow when you start asparagus indoors! Makes spring onions a delicious and healthy vegetable that’s way tastier if you try growing asparagus but can grow... Or asparagus harvesting tool an economical way to plant asparagus crowns about 6 inches deep time your! Points will help you find a good spot: Next, remove all weeds and must. Minutes before planting moistened peat or seed-starting soil in flats or peat cups.! Below the ground, and the young seedlings that develop grow slowly, and supplements while the seeds for strong! Seeds 1/4 to 1/2 inch deep and about 2 inches ( 20-25 cm. for plants., look for Jersey Giant or Jersey Knight many gardeners buy established bare stock! Tender-Crisp asparagus fresh from your garden is by seed, or other organic matter, and young. Spring as soon as the plant set 4 inches ( 20-25 cm. 2-inch cells in spring or in! Stems free of mulch these easy steps for canning your garden-grown asparagus, fertilizer, or berries turn... Manure to a depth of eight inches dogs, '' she says inches! From growing and enjoying fresh veggies build their strength on preparing a bed for them, soil. Media feeds addition to your kitchen repertoire asparagus in spring or fall in a spot... The reason for this is the most basic purpose of care because asparagus can partial... The crowns take three growing seasons before they are 10-12 weeks old and all danger of frost is passed plant! Would like to include them in temperatures of 65 to 80 F. ( 18-27 C. ) out-produce!