Plant asparagus in a permanent garden bed. Grow your own asparagus for the very best flavor and nutrition. This perennial crop of spring green delicacies is worth the trouble.
You’ll harvest asparagus for many many years with only slight maintenance over time.
Learn how to properly choose your asparagus crowns and plant and maintain your asparagus bed.
An asparagus bed requires a certain amount of commitment from you, the gardener, and long range planning.
The payback in nutrient and flavor gain from Asparagus grown in your garden is the best return of any vegetable you can grow.
Dave and I enjoy raw asparagus from our garden . We love it that way fresh picked.
Fresh Asparagus has a wonderful flavor with a delicate crunch. This vegetable is a Spring delicacy, freshly picked and steamed or roasted for dinner.
Due to it’s very fast respiration rate, Asparagus is one of the vegetables most adversely affected by long term storage. It quickly degrades. This is one crop that really is best fresh for best flavor and nutrients. So grow your own.
Why you should Grow asparagus plants in your garden:
- Asparagus plants will last in your garden for many years so you get a lot of bang for your buck on this crop once it’s established.
- Asparagus is chock full of great nutrients. Read this article by Healthline to see the top 7 benefits of asparagus.
Now you know why fresh asparagus is so valuable and so fragile and important to eat raw or very fresh. Lets see how to make your asparagus bed that will last for years and year.
How To Plant Asparagus plants From Bare Root Crowns:
Prepare your garden beds to Grow asparagus from crowns in either Spring or fall. The next spring your first shoots will emerge.
Select and prepare your asparagus bed with care
- Your permanent Asparagus bed will occupy the same spot for 20 years or more. So think carefully about where it will go.
- Asparagus can tolerate some shade, but full sun produces the most vigorous plants and helps minimize disease.
- Asparagus needs a DEDICATED bed. Your yield will be adversely affected if you plant other crops in the bed with it.
- Dave planted leafy greens over his first asparagus bed.
- He thought it was more efficient to put a cover crop over his crowns. No it wasn’t and asparagus doesn’t like weeds either.
Plant Asparagus in a dedicated raised garden bed.
- A raised asparagus bed won’t get accidentally squished by a wheelbarrow or in the way of other lower garden crops as the years go by.
- Raised beds are easily amended and weeded.
- Grow asparagus in a place that allows you to rotate other crops easily.
- It’s logistically easier to work and harvest asparagus in a dedicated raised bed.
- The soil will warm quicker too for an earlier harvest time in raised beds. (Our asparagus comes up in April but we could push that timeline up by hooping the beds with plastic).
- Asparagus grows best in fertile, lighter soils that warm up quickly in spring and drain well.
- Standing water will quickly rot the roots.
- Prepare a planting bed about 4 feet wide by removing all perennial weeds and roots and digging in plenty of aged manure or compost.
- Asparagus is a heavy feeder so amend it before (or while)planting the crowns.
- Those roots need years of fertile, nurturing soil to grow and get established.
- Dave buys organic garden soil from our local Garden Spot Nursery and mixes it into the bed around the crowns when planting.
- Any good organic garden soil will work or good aged compost if your soil structure is already light with good water and nutrient retention.
Plant Asparagus From bare root Crown varieties best suited to your climate:
- Choose an all-male variety if high yield is your primary goal. Our local nursery recommends the Jersey Knight variety. It grows well here and is prolific in our garden zone 8a.
- Dave’s first asparagus bed was planted in Martha Washington variety. They did not produce well for us.
- HOW MANY crowns do you need? About 10 to 12 plants per person for fresh eating. More as you prefer.
- Grow asparagus from 1-year-old crowns. That gives you a year’s head start over seed-grown plants. Two-year-old crowns are usually not a bargain. They tend to suffer more from transplant shock and won’t produce any faster than 1-year-old crowns.
- Buy crowns from a reputable nursery that sells fresh, firm, disease-free roots suited to your climate zone. Plant them immediately if possible; otherwise, wrap them in slightly damp sphagnum moss until you are ready to plant.
How to Grow Asparagus-First Year.
- Soak the bare root asparagus crowns for about 20 minutes(or according to the package directions) in vitamin B solution to help them easily transition to the new bed. You can also use a compost tea for soaking the crowns if you prefer.
- Dig trenches 12 inches wide and 12 inch deep. The bed depth can vary due to your variety and local conditions so be sure to check with your local nurser. Dave put three trenches in side by side about 12 feet long.
- NOW BUILD A MOUND of dirt for each crown and arrange the crown roots evenly around the mound. So the crowns are topping at about 4 inches under your bed topline.
- Place the crowns in the trenches 1½ to 2 feet apart. The crown mounds should be far enough apart the roots of one crown do not touch any other. They need room to grow over the years and build a base for yummy crops.
How Long before harvest?
THIS is the hard part.
When you plant asparagus expect to wait three years for a truly good harvest you can actually enjoy.
YEAR ONE: A few spears the first year are ok for a taste but leave most of them alone. The roots need time to grow and support the plant spears.
Over harvesting spears the first several years will weaken the crowns and make a less productive bed. keep the bed fertilized, mulched and watered.
YEAR TWO: You can take about half the crop. keep the bed fertilized, mulched and watered. Let those roots develop!
YEAR THREE: you should have a vigorous crop of asparagus that you can harvest as you wish. Continue to care for your bed and the plants will multiply themselves and reward your hard work.
How to correctly harvest Asparagus:
Use a sharp knife or hand pruners to cut the spears off just below the soil line.
Long term Maintenance of your asparagus bed:
- Your Asparagus bed in year one and two will grow into asparagus ferns since you are leaving the stalks unharvested.
- You can allow these fronds to mature and go through winter. They will grow red berries. Very festive. )
- Be sure to Remove and destroy the fern like foliage before new growth appears in spring. It can harbor diseases and pests eggs.
- Every spring before the new spears emerge weed the asparagus bed.
- Carefully dig in holdover mulch and compost (avoid disturbing the crowns).
- Apply fresh deep mulch, like straw to hold the weeds down and help retain moisture.
- Continue to mulch the bed and fertilize with good compost to refresh the crowns every year and to keep weeds down.
More Garden Posts:
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