COPYRIGHT © 2021 ASK THE EXPERTS LLC. GARDENER'S PATH® IS A REGISTERED TRADEMARK OF ASK THE EXPERTS LLC. If you move into a new home and don’t want to leave your established asparagus plants behind, you might want to transplant your asparagus plants to a garden at your new home. This will lessen the chances of fungal diseases overwintering in the foliage. Cutting Back. Leave a good six inches of stem to hold the mulch and create air space. Asparagus densiflorus ‘Myers’ ferns are easy-to-care-for plants. An alternative is to mulch the bed with 8 inches (20cm) of loose straw or hay and add phosphorus and potassium-rich cottonseed meal and wood ashes across the mulch. Cut foliage back to ground level. There aren’t too many cultivated plants which can claim that. Use a balanced fertilizer, such as 5-10-10 or 5-10-5, and apply at a rate of 2 pounds per 100 square feet. With the right care, an asparagus bed can produce for 10 to 20 years. Water regularly. Nitrogen encourages plant growth and lots of new growth just before frost can cause harm to the overall plant health. Underground, it grows from clusters of roots commonly known as crowns. The green vegetation is dense and can grow up to seven feet tall. Make sure the soil is above 50 degrees Fahrenheit before planting your asparagus. Remove the asparagus tops to the ground. It requires more care and a two-year wait until harvest. Mulch asparagus beds to protect them during the winter months. Asparagus spears only stop growing in fall after frost kills them. Cutting dead foliage back serves a few purposes: First, allowing plants to complete their seasonal life cycle will produce healthier roots. Wait until foliage turns yellow or brown and the plant becomes dormant before pruning. Planting Asparagus In The Fall image above is part of the post in Planting Asparagus In The Fall gallery. Remove plant debris in fall and mulch the bed with a layer of compost. You should not apply a high nitrogen fertilizer to any perennial in the fall. Finally, pests such as cutworms do damage that cause asparagus spears to grow crooked or fall over. Keep the bed thickly mulched. Removing the dead foliage in the fall offers the advantage of preventing problems, like asparagus beetles, from over-wintering in them. And for more information about growing asparagus, check out these guides next: © Ask the Experts, LLC. I found this very useful as I was wondering how and when to cut back our asparagus bed. I think it’s very important to understand why we do what we do in our gardens, so I love to hear that you found some useful information in my article! In this following Gardenerdy article, we will go into a little more detail about the factors involved in its care. Currently, Kelly is coordinating a plan to produce a tropical homestead in south Florida that will provide homegrown food to families in need, and teach them to grow their own. Uncredited photos: Shutterstock. With any disease it’s best to not compost this debris as fungus can overwinter and wait for spring to reinfect other plants. My asparagus are all full of red berries now, so I too would like an answer to this question. Remove the asparagus tops to the ground. Unless you plan to save the seeds, it’s best to remove them to conserve energy. Pick adult beetles off of plants by hand or use neem oil for severe infestations. Cut the spear in the late fall anyway. Here is more about what we do. Once they grow more elevated, they become “top-heavy” and fall over. For proper fall asparagus care, clean-up should begin after the first frost. It’s important to refrain from pruning prior to die-off, as the plant will continue to photosynthesize while it is still green. Weed as needed, taking care not to disturb roots. While some consider bolting to be a negative thing, it’s actually a natural part of the growth cycle that allows the plant to photosynthesize and propagate. Harvesting the stalks triggers the production of new growth to replace the harvested shoots, which uses a lot of energy. See our TOS for more details. In the fall, the leaves of asparagus begin to yellow and die back naturally. Asparagus is really easy going, and you can ignore them for the most part. With just a little proper care in the fall, you will be rewarded by … Understanding why it is important makes the knowledge even more useful. Add equal amounts of lime and rock phosphate to the asparagus bed each year. Always use caution when composting pruned ferns, however, as pests may lay eggs there that can be spread to your compost pile, leading to potential reinfestation when they hatch. Thanks so much Rob! The soil would be best if mixed with manure or compost. Correct Watering Water asparagus twice a week using a soaker hose or the soaker setting on a hand-held watering system. How to Identify and Treat Asparagus Crown and Root Rot, How Do I Know When My Pumpkin Is Ripe? As a long-lived perennial, it's not uncommon for asparagus plants to live for 12-15 years or longer. Generally, foxtail ferns grow outdoors in warm climates and sunny locations that are protected from direct midday sunlight. When foliage has been cut back, adding a thick layer of compost or mulch will help to protect crowns through the winter, especially in areas where snow cover can become deep, or temperatures dip well below freezing. From summer through fall, before winter weather strikes, the springtime sprouts that weren’t harvested will continue to grow into a tall, bushy, fern-like plant. To keep your plants healthy and to prepare them for their next growing season, it’s recommended to cut back foliage in the fall after the second or third year following planting. We link to vendors to help you find relevant products. ALL RIGHTS RESERVED. However, if you want an amazing asparagus harvest in the spring, you should take care of your asparagus in the fall. The crowns are typically left to overwinter in the ground. Adding organic matter—well-aged compost or well-aged manure and a layer of straw or chopped leaves—to the asparagus bed each autumn will ensure crowns and plants have the nutrients they need to produce ample spears for years and years. But only female plants produce seed. It is entirely normal for them to fall Asparagus spears start to grow up from the crown in early spring when soil temperatures reach 50 degrees Fahrenheit (10 degrees Celsius). Growing asparagus in the home garden takes patience. Good luck, and if you’re looking for more tips on how to grow asparagus, check out our asparagus guide! A planting bed of well-drained garden loam is the best home for asparagus plants. Good luck, Joe. However if you already have the crowns, it would be better to get them planted than to try and store them all winter. Join our mailing list for exclusive discounts, easy how to’s and expert growing tips. Healthy roots produce healthier plants, and a more bountiful crop in the next growing season. Keep the following in mind when you cut back your plants in autumn: It takes a lot of energy for plants to grow, and removing dead leaf matter will help to boost production in the next growing season. Picking and Harvest Tips, Easy Bulb Propagation for the Home Gardener, 7 Tips for Growing Formal and Informal Forsythia Hedges, 13 of the Best Dill Varieties for Your Herb Garden. However, stands produced from seed often yield better than stands start-ed from crowns. In many cases, asparagus plants will fall over once they mature, usually in the late fall. A raised garden bed is a good option for asparagus. Unless you plan to save the seeds, it’s best to remove them to conserve energy. If you have followed all the advice on asparagus care you will have asparagus ferns turning yellow by the autumn (October time). Save my name, email, and website in this browser for the next time I comment. Asparagus beetles overwinter in plant debris and emerge in spring, damaging shoots. Prepare the ground thoroughly by eliminating all weeds and make sure the soil is well draining. Usually, you harvest asparagus during late spring, in May and into June. Caring for asparagus requires understanding the needs of both its growing and its storage system. The foliage will continue to photosynthesize and store energy in the root system throughout the growing season. This will lessen the chances of fungal diseases overwintering in the foliage. For proper fall asparagus care, clean-up should begin after the first frost. And like all perennials fall clean-up and fertilizing are good practices to incorporate into your seasonal chores. Autumn foliage that has turned yellow or brown is ready to be cut back. This usually happens after the first or second hard frost. More importantly, some gardeners choose to transplant asparagus to better locations within their own gardens as their plants become more established and need extra care.
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