How Do You Overwinter Lavender

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 overwinter lavender by giving it the right protection, drainage, and pruning before the cold sets in.
 
Whether you grow it in the ground or in a pot, how you overwinter lavender depends a lot on your climate and the variety you’re growing.
 
English lavender is the toughest, while French and Spanish types are more tender and often need extra care.
 
If you’ve been wondering how to overwinter lavender without losing it to frost, the good news is that it’s totally doable with a few smart moves.
 
In this post, we’ll walk through how to overwinter lavender step by step, from prepping the plant in fall to protecting it through the coldest months.
 
Let’s dig in.
 

How Do You Overwinter Lavender?

You overwinter lavender by focusing on three things: healthy roots, good drainage, and protection from harsh wind and freezing temperatures.
 
Lavender hates wet feet more than it hates cold, so most winter kill actually comes from soggy soil, not frost.
 
Here’s how to overwinter lavender so it comes back strong in spring.
 

1. Stop Fertilizing in Late Summer

If you want to overwinter lavender successfully, stop feeding it by mid to late summer.
 
New growth that shows up in fall is tender and easily damaged by the first hard freeze.
 
You want the plant to harden off and go into winter slow and steady, not pushing out soft new stems.
 

2. Prune Lightly, Not Hard

To overwinter lavender, prune it lightly after it finishes blooming, usually in late summer or early fall.
 
Cut back about a third of the green growth, but never cut into the woody base.
 
That old wood often won’t regrow, and a hard prune right before winter stresses the plant.
 
Wait until spring for any bigger shaping, once you see new growth starting.
 

3. Improve Drainage Before the Cold Hits

How you overwinter lavender in the ground starts with the soil around it.
 
Mix in grit, sand, or fine gravel around the base to keep water moving away from the roots.
 
If your soil stays wet through winter, consider mounding the soil slightly so the crown sits a bit higher.
 

How to Overwinter Lavender in Cold Climates

If you garden in zones 5 to 7, you’ll need to actively protect lavender through winter.
 
Here’s how to overwinter lavender when temperatures drop well below freezing.
 

1. Add a Layer of Mulch, But Carefully

Mulch helps overwinter lavender by insulating the roots, but timing and material matter.
 
Wait until the ground freezes, then add a 2 to 3 inch layer of straw, pine needles, or dry leaves.
 
Keep mulch away from the crown of the plant, since piling it against the stems traps moisture and causes rot.
 

2. Use a Windbreak or Frost Cover

Cold wind dries out lavender faster than cold air alone.
 
A simple burlap screen or a row cover can help overwinter lavender in exposed spots.
 
Just make sure air still circulates, because trapping damp air under a solid cover invites mold.
 

3. Overwinter Lavender in Pots the Smart Way

If you’re overwintering lavender in containers, move pots against a south-facing wall or into an unheated garage.
 
Raise pots on bricks or pot feet so water drains freely and doesn’t freeze around the roots.
 
You can also wrap the pot itself in burlap or bubble wrap to protect the root ball from deep freezes.
 

Common Mistakes When You Overwinter Lavender

Even careful gardeners run into trouble when they overwinter lavender, so watch out for these.
 

1. Watering Too Much in Winter

Lavender is drought tolerant and barely needs water in winter.
 
If you overwinter lavender indoors or in a garage, water sparingly, maybe once every few weeks.
 

2. Cutting Back Too Late

Pruning in late fall or winter leaves open wounds that freeze and invite disease.
 
If you’re not sure when to overwinter lavender with pruning, always lean toward doing less.
 

3. Skipping Drainage Altogether

No amount of mulch will save lavender sitting in soggy clay.
 
Before you overwinter lavender, fix the drainage first, because that one step decides whether it survives.
 

So, How Do You Overwinter Lavender?

You overwinter lavender by protecting the roots, keeping the soil well drained, and avoiding heavy pruning or feeding late in the season.
 
Whether you overwinter lavender in the ground or in pots, the goal is the same: keep it dry, sheltered, and calm through the cold.
 
Get those basics right, and your lavender will reward you with another season of scent and blooms.