How To Divide Lavender In Spring

This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase, I may receive a small commission at no extra cost to you.

You can divide lavender in spring successfully if you time it right and follow a few simple steps.
 
Spring is actually one of the best times to divide lavender because the plant is waking up and ready to grow new roots.
 
If you’ve been wondering how to divide lavender in spring, the good news is that it’s a straightforward process once you know what to look for.
 
Dividing lavender in spring helps rejuvenate older plants, control their size, and give you more plants for free.
 
In this post, we’ll walk through exactly how to divide lavender in spring, the tools you need, and the common mistakes to avoid.
 
Let’s dig in.
 

Why Divide Lavender in Spring

Dividing lavender in spring gives your plant the best chance to settle in before summer heat arrives.
 
Here’s why spring is the ideal window for this task:
 

1. The Plant Is Actively Growing

When you divide lavender in spring, you’re working with a plant that’s entering its active growth phase.
 
New shoots are emerging, and the root system is ready to push out fresh roots.
 
This means the divisions you create will recover faster and establish themselves more quickly.
 
If you divide lavender in fall instead, the plant has less time to root before cold weather slows everything down.
 

2. You Avoid Summer Heat Stress

Lavender loves sun, but freshly divided plants are vulnerable.
 
If you wait until summer to divide lavender, the intense heat can stress the new divisions before they’ve rooted properly.
 
Spring offers milder temperatures with enough sunlight to support healthy growth.
 
This balance is exactly why learning how to divide lavender in spring works so well.
 

3. It Rejuvenates Older Plants

Lavender gets woody and leggy after a few years.
 
When you divide lavender in spring, you can remove the dead center and keep the vigorous outer growth.
 
This gives the plant a fresh start and encourages fuller, healthier foliage.
 

How to Divide Lavender in Spring Step by Step

Knowing how to divide lavender in spring is really about preparation and timing.
 
Here’s the process broken down:
 

1. Choose the Right Day

Pick a cool, overcast spring day if possible.
 
Dividing lavender in full sun can cause the roots to dry out quickly.
 
Early morning or late afternoon works well too.
 
Make sure the soil is moist but not waterlogged.
 

2. Dig Around the Plant

Use a sharp spade or garden fork to dig a circle around the lavender.
 
Start about 6 to 8 inches away from the base to avoid damaging the main root ball.
 
When you divide lavender in spring, you want to lift the entire clump gently.
 
Push the spade under the root ball and lever it up carefully.
 

3. Shake Off Excess Soil

Once the plant is out, shake or brush away loose soil so you can see the roots.
 
This makes it much easier to divide lavender in spring without cutting through healthy roots blindly.
 
If the root ball is tightly packed, you can rinse it with water to get a clearer view.
 

4. Separate the Plant

You can divide lavender in spring using a few different methods.
 
If the plant has natural divisions, gently pull them apart with your hands.
 
For tougher root balls, use a sharp knife or two garden forks back to back.
 
Push the forks into the center and pry them apart.
 
Each division should have a good chunk of roots and several healthy stems.
 

5. Replant Immediately

When you divide lavender in spring, the divisions need to go back into the ground right away.
 
Plant them at the same depth they were growing before.
 
Space them 12 to 18 inches apart to allow good airflow.
 
Water thoroughly after planting to help settle the soil around the roots.
 

Aftercare Tips When You Divide Lavender in Spring

How you care for your lavender after dividing determines whether it thrives or struggles.
 
Here’s what to do:
 

1. Water Regularly but Don’t Overdo It

Newly divided lavender needs consistent moisture while it roots.
 
But lavender hates soggy soil, so water deeply once a week rather than little and often.
 
If you divide lavender in spring and it rains regularly, you might not need to water at all.
 

2. Avoid Fertilizing Right Away

Hold off on fertilizer for at least a month after you divide lavender in spring.
 
The roots are healing and too much nutrients can burn them.
 
Once you see new growth, a light dose of balanced fertilizer is fine.
 

3. Mulch with Gravel or Sand

Lavender loves gritty, well-drained soil.
 
A layer of gravel or coarse sand around the base keeps moisture away from the crown.
 
This simple step prevents rot, which is the biggest risk when you divide lavender in spring.
 

So, How Do You Divide Lavender in Spring?

You divide lavender in spring by digging up the plant, separating the root ball into sections, and replanting each division immediately.
 
Spring gives lavender the ideal conditions to recover and establish before summer.
 
Just remember to water consistently, skip the fertilizer at first, and mulch with something gritty.
 
Once you know how to divide lavender in spring, you can multiply your plants, refresh old ones, and enjoy a healthier garden every year.
 
Happy dividing.