What To Do With First Year Asparagus

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!

First year asparagus plants need a lot of patience and very little harvesting.
 
If you’ve been asking what to do with first year asparagus, the short answer is simple.
 
You plant the crowns or seeds, keep the bed weeded, water them regularly, and then you don’t harvest a single spear.
 
That’s it.
 
No cutting, no snapping, no sneaking a taste, no matter how tempting those first spears look.
 
It feels strange to grow a vegetable and then ignore it, but this is exactly what first year asparagus demands.
 
In this post, we’ll walk through what to do with first year asparagus, why the no-harvest rule matters so much, and how to care for your young plants so they reward you for decades.
 
Let’s dig in.
 

Why You Don’t Harvest First Year Asparagus

The reason you leave first year asparagus alone comes down to energy.
 
Asparagus is a perennial that lives for 15 to 20 years or more, so the first year is all about building a strong root system.
 
If you harvest first year asparagus spears, the plant loses the energy it stored to send them up.
 
That energy never gets replenished before winter, and the crown enters dormancy weak and depleted.
 
Skipping the harvest lets those fern-like spears grow into tall, bushy tops that photosynthesize all season long.
 
Those ferns feed the crown, which fattens up underground and stores sugar for next spring.
 
Here’s the thing about what to do with first year asparagus that most new gardeners miss.
 
The ferns you let grow this year are not wasted space, they’re your entire investment growing bigger.
 
So no matter how tender those early spears look, let them fern out.
 

1. Plant Asparagus in Full Sun With Good Drainage

First year asparagus needs at least six to eight hours of direct sunlight every day.
 
Pick a spot where water never puddles, because soggy crowns rot fast.
 
If your soil is heavy clay, amend it with compost before planting.
 
Asparagus loves loose, sandy loam with a pH between 6.5 and 7.5.
 
Dig trenches about 8 inches deep and space crowns 12 to 18 inches apart.
 
Set the crowns in the trench and cover them with just 2 inches of soil at first.
 
As the spears grow, keep filling the trench in gradually through the season.
 
This slow backfill is one of the most important things to do with first year asparagus.
 

2. Water Deeply but Not Too Often

Young asparagus roots reach down farther than you’d expect.
 
Water deeply once a week, giving each plant about an inch of moisture.
 
During hot, dry spells, you might need to water twice a week.
 
First year asparagus hates wet feet, so always check the top inch of soil first.
 
If it’s still damp, skip the watering.
 
Consistent moisture helps crowns establish without drowning them.
 

3. Keep the Bed Weed-Free

Weeds are the number one killer of first year asparagus beds.
 
Young crowns can’t compete with aggressive weeds for water, nutrients, or sunlight.
 
Hand pull weeds carefully so you don’t disturb shallow asparagus roots.
 
A light layer of mulch helps suppress weeds and hold moisture in.
 
Just keep the mulch a couple inches away from the spears themselves.
 
Staying on top of weeds is honestly half of what to do with first year asparagus.
 

4. Fertilize Lightly in Early Spring

First year asparagus doesn’t need much food.
 
A balanced fertilizer or a layer of compost in early spring is plenty.
 
Avoid heavy nitrogen feeds, which push weak top growth instead of strong roots.
 
You can also side-dress with compost mid-season if the ferns look pale.
 
That’s really all the feeding first year asparagus requires.
 

5. Let the Ferns Grow Until Frost

By mid-summer, your first year asparagus spears will have opened into tall, feathery ferns.
 
Leave them standing until they turn brown and die back after the first hard frost.
 
Those dying ferns send their last bit of energy down into the crown.
 
Once they’re completely brown, cut them down to about 2 inches above the soil.
 
Then top the bed with a little compost or mulch for winter protection.
 

Common Mistakes With First Year Asparagus

The biggest mistake is harvesting too soon.
 
Some gardeners sneak a spear or two in year one and wonder why their patch never thrives.
 
Another common slip is planting crowns too shallow or too deep.
 
Shallow crowns dry out, deep crowns struggle to push spears up.
 
Overwatering is another trap, especially in clay soil.
 
And finally, letting weeds go for even a few weeks can set young asparagus back badly.
 
Avoid these and your first year asparagus will thank you next spring.
 

So, What To Do With First Year Asparagus?

First year asparagus should be planted, watered, weeded, and left completely unharvested.
 
You resist the urge to cut anything and let every spear fern out.
 
You keep the bed clean, water deeply but not constantly, and wait for frost to cut the ferns back.
 
Do this and your asparagus crowns will build the strength they need.
 
Year two you can take a tiny harvest, and by year three you’ll finally get a full crop.
 
So that’s what to do with first year asparagus, just grow it and leave it alone.