Can You Plant Asparagus Crowns In The Summer

Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!

Yes, you can plant asparagus crowns in the summer, but you need to be smart about it.
 
Asparagus crowns planted in summer can establish themselves well if you give them the right conditions and plenty of care.
 
It’s not the traditional planting time, which is usually early spring, but summer planting can work in many climates.
 
The key is understanding what asparagus crowns need and how summer heat affects them.
 
In this post, we’ll look at whether you can plant asparagus crowns in the summer, how to do it successfully, and what challenges to watch out for.
 
Let’s dig in.
 

Can You Plant Asparagus Crowns in the Summer?

Yes, you can plant asparagus crowns in the summer, but it comes with caveats.
 
Asparagus crowns are dormant roots that you plant in the ground to start a new patch.
 
Traditional wisdom says plant them in early spring while they’re still dormant and the soil is cool and moist.
 
But life doesn’t always align with perfect timing.
 
Maybe you ordered crowns that arrived late, or you found a great deal on asparagus crowns in summer.
 
Can you still plant them?
 
Absolutely, but you’ll need to manage the heat and keep moisture consistent.
 
Summer planting of asparagus crowns means the crowns will face higher temperatures and potentially drier soil.
 
That stress can slow establishment, but it doesn’t make it impossible.
 
The good news is asparagus is a perennial that lives for decades, so a little extra care in the first season pays off big.
 

1. Asparagus Crowns Are Resilient

Asparagus crowns are tough.
 
They store energy in their roots and can survive some rough handling.
 
That resilience is why planting asparagus crowns in summer can work if you give them a good start.
 
The crown itself is a bundle of roots with dormant buds.
 
Once in the soil, those buds will send up spears when conditions are right.
 
Summer heat might delay sprouting, but the crown isn’t dead.
 
It’s just waiting for the right moisture and temperature balance.
 

2. Soil Temperature Plays a Role

Asparagus crowns prefer soil that’s cool but not cold.
 
In summer, soil can get quite warm, especially in full sun.
 
That warmth can encourage faster shoot growth but also stress the young roots.
 
You can plant asparagus crowns in summer if you mulch heavily to keep the soil temperature down.
 
Mulch also helps retain moisture, which is critical for summer-planted crowns.
 
A layer of straw, grass clippings, or compost works well.
 

3. Water Is Non-Negotiable

The biggest challenge when you plant asparagus crowns in summer is water.
 
Summer heat dries out soil quickly.
 
Asparagus crowns need consistent moisture to send out new roots and shoots.
 
If they dry out, they may survive but won’t thrive.
 
So you’ll need to water deeply and regularly.
 
A drip irrigation system or soaker hose is ideal because it keeps the soil evenly moist without soaking the foliage.
 
Aim for about an inch of water per week, more during heat waves.
 

How to Plant Asparagus Crowns in the Summer

Planting asparagus crowns in summer follows the same basic steps as spring planting, but with extra attention to heat and moisture.
 
Here’s how to do it right.
 

1. Choose the Right Spot

Asparagus needs full sun and well-drained soil.
 
Pick a spot that gets at least six to eight hours of sunlight.
 
Avoid low areas where water pools, as soggy soil rots crowns.
 
If your soil is heavy clay, amend it with compost or aged manure before planting.
 

2. Dig the Trench

Dig a trench about 6 to 8 inches deep.
 
The trench should be wide enough to spread the roots of each crown.
 
Space trenches about 4 feet apart if you’re planting multiple rows.
 
Within the row, space crowns about 12 to 18 inches apart.
 

3. Soak the Crowns

Before planting, soak the asparagus crowns in water for about 30 minutes.
 
This rehydrates them and gives them a head start.
 
Don’t soak longer than a few hours, as roots can drown.
 

4. Plant and Cover

Place each crown in the trench with the roots spread out and the buds pointing up.
 
Cover with 2 inches of soil.
 
As shoots grow, gradually fill the trench with more soil over the season.
 
By fall, the trench should be level with the surrounding ground.
 

5. Mulch and Water

After planting, apply a thick layer of mulch.
 
Water deeply to settle the soil around the roots.
 
Keep the area consistently moist, but not waterlogged.
 

Challenges of Planting Asparagus Crowns in Summer

Planting asparagus crowns in summer isn’t without risks.
 
Heat stress can slow growth.
 
Drought can kill young roots.
 
Weeds compete for water and nutrients, so stay on top of them.
 
Also, summer-planted crowns may not produce spears until the following spring.
 
That’s normal.
 
Don’t harvest any spears the first year, and only lightly the second year.
 
Let the plants build energy for a strong future harvest.
 

So, Can You Plant Asparagus Crowns in the Summer?

Yes, you can plant asparagus crowns in the summer.
 
It’s not the ideal time, but with careful watering, mulching, and a little patience, your crowns can establish just fine.
 
The key is to mimic the cool, moist conditions they’d get in spring.
 
Keep the soil consistently damp, protect the roots from extreme heat, and avoid harvesting too soon.
 
If you do that, your summer-planted asparagus crowns will reward you with decades of fresh spears.