How To Plant Asparagus Crowns In The Ground

Planting asparagus crowns in the ground is the best way to start a perennial bed that can produce spears for 20 years or more.
 
If you’ve been wondering how to plant asparagus crowns in the ground, the process is simpler than you might think, and it all starts with preparing a trench.
 
Asparagus crowns are dormant one-year-old roots, and once they settle into the soil, they send up those first tasty spears.
 
In this post, we’ll walk through how to plant asparagus crowns in the ground step by step, from timing and soil prep to spacing and aftercare.
 
Let’s dig in.
 

How to Plant Asparagus Crowns in the Ground

Learning how to plant asparagus crowns in the ground comes down to a few key moves done right the first time.
 
Get these right, and your asparagus crowns will reward you for decades.
 

1. Start With the Right Timing

The best time to plant asparagus crowns in the ground is early spring, while the crowns are still dormant.
 
Planting asparagus crowns in the ground too late in the season stresses them before their roots have settled.
 
You can also plant asparagus crowns in the ground in late fall in mild climates, but spring gives them a full season to establish.
 

2. Choose a Sunny, Well-Drained Spot

When you plant asparagus crowns in the ground, pick a spot that gets at least six to eight hours of sun a day.
 
Asparagus crowns rot in soggy soil, so good drainage matters more than almost anything else.
 
If your soil holds water, plant asparagus crowns in the ground on a raised bed or amend the area with compost first.
 

3. Prep the Soil Before You Plant

Before you plant asparagus crowns in the ground, dig the bed deep and loosen the soil at least 12 inches down.
 
Mix in plenty of compost or aged manure so your asparagus crowns have loose, rich soil to spread their roots through.
 
Clear out weeds and grass, because asparagus crowns hate competition while they’re getting started.
 

Step-by-Step: How to Plant Asparagus Crowns in the Ground

Now let’s get into the actual planting process, because this is where most beginners go wrong.
 
Here’s how to plant asparagus crowns in the ground the right way.
 

1. Dig a Trench About 12 Inches Deep

To plant asparagus crowns in the ground, dig a trench roughly 12 inches deep and 12 to 18 inches wide.
 
If you’re planting more than one row, space the trenches about three to four feet apart.
 
This depth gives the asparagus crowns room to grow downward, which is how they anchorthemselves for the long haul.
 

2. Build a Small Ridge in the Trench

Before you plant asparagus crowns in the ground, mound up a small ridge of soil along the bottom of the trench.
 
This ridge is where you’ll rest each asparagus crown so its roots can drape down naturally on both sides.
 
It sounds fussy, but it makes a real difference in how well asparagus crowns take hold.
 

3. Space the Crowns Properly

When you plant asparagus crowns in the ground, set them 12 to 18 inches apart along the ridge.
 
Crowded asparagus crowns compete for nutrients and produce thinner spears over time.
 
Give them room, and each asparagus crown will send up stronger, fatter spears year after year.
 

4. Cover the Crowns Gradually

This is the trickiest part of how to plant asparagus crowns in the ground, so pay attention.
 
Start by covering the asparagus crowns with just two to three inches of soil, leaving the trench partly open.
 
As shoots emerge over the next few weeks, keep filling the trench in until it’s level with the surrounding ground.
 
This gradual covering is what helps asparagus crowns develop deep, sturdy root systems.
 

5. Water Deeply After Planting

Once your asparagus crowns are in the ground, give them a long, slow soak.
 
Water newly planted asparagus crowns regularly through the first season, especially during dry spells.
 
Deep watering encourages the roots below your asparagus crowns to reach down instead of staying shallow.
 

Caring for Asparagus Crowns After Planting

Your job isn’t done once you plant asparagus crowns in the ground, because the first year sets everything up.
 
Here’s what to do after you plant asparagus crowns in the ground to keep them thriving.
 

1. Resist Harvesting the First Year

After you plant asparagus crowns in the ground, let the spears grow into tall ferns without cutting any.
 
Those ferns feed the asparagus crowns through photosynthesis and build up energy for future harvests.
 
Your patience when you plant asparagus crowns in the ground pays off with bigger yields later.
 

2. Mulch Around the Bed

Spread a layer of straw or compost around your asparagus crowns to hold moisture and smother weeds.
 
Mulch also keeps the soil temperature steady, which helps asparagus crowns settle in faster.
 
Just keep the mulch a couple of inches away from where the spears push through.
 

3. Keep the Bed Weed-Free

Weeds steal water and nutrients from asparagus crowns, so stay on top of them.
 
Pull weeds by hand near your asparagus crowns, since hoeing too close can damage shallow roots.
 
A clean bed means your asparagus crowns put all their energy into growing spears, not fighting invaders.
 

So, How Do You Plant Asparagus Crowns in the Ground?

You plant asparagus crowns in the ground by digging a deep trench, building a ridge, spacing the crowns out, and covering them gradually as shoots appear.
 
Get the timing, soil, and spacing right, and asparagus crowns planted in the ground will keep producing for two decades or more.
 
It’s a slow start, but once you know how to plant asparagus crowns in the ground, you’ve basically built a lifetime supply of fresh spears.
 
Give your asparagus crowns a good home now, and they’ll feed you every spring for years to come.