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Does lavender need to be covered in winter?
Yes, lavender often needs to be covered in winter, especially if you live in a cold climate or grow a less hardy variety.
But whether you cover lavender in winter depends on your climate, the type of lavender you’re growing, and how wet your winters get.
If you’ve been wondering whether lavender needs to be covered in winter, the short answer is that some lavender does, and some doesn’t.
In this post, we’ll talk about when lavender needs winter protection, how to cover lavender in winter the right way, and the mistakes that can kill your plant even when you meant well.
Let’s dig in.
Does Lavender Need To Be Covered In Winter?
Lavender needs to be covered in winter in many situations, but not always, and not in the way you might think.
The real question isn’t just cold, it’s wet.
Lavender is a Mediterranean plant that loves dry, rocky soil and hot sun.
Its roots hate sitting in soggy, cold ground, and that’s what usually kills lavender in winter, not the freezing temperatures themselves.
So if your winters are cold and wet, covering lavender in winter can protect it from both problems at once.
1. Cold Hardiness Varies By Variety
English lavender varieties like ‘Hidcote’ and ‘Munstead’ are the hardiest and can survive down to about zone 5 in many cases.
French and Spanish lavender are far more tender, often only hardy to zone 7 or 8.
So whether lavender needs to be covered in winter depends a lot on which type you’re growing.
The tender types almost always need winter protection, while hardy English lavender may only need it in the coldest zones.
2. Wet Winters Are The Real Threat
Even hardy lavender struggles when winter rain and melting snow keep the soil saturated for months.
That constant moisture causes root rot, which is the number one reason lavender doesn’t make it to spring.
Covering lavender in winter helps shed excess rain and snow away from the crown and root zone.
This is why covering lavender in winter is less about warmth and more about keeping things dry.
3. Young Plants Are More Vulnerable
A freshly planted lavender doesn’t have a deep, established root system yet.
That makes it far more likely to suffer frost heave and winter dieback than a mature plant.
So even if your older lavender survives uncovered, young plants usually benefit from being covered in winter.
How To Cover Lavender In Winter
If you’ve decided your lavender needs to be covered in winter, doing it correctly matters as much as doing it at all.
Here’s how to cover lavender in winter without smothering it.
1. Wait Until After The First Frost
Don’t cover lavender too early in fall.
The plant needs to feel the cold to go dormant properly, and covering it while it’s still growing can trap heat and moisture.
Wait until after a hard frost or two, then add your winter cover.
2. Use Breathable Materials, Not Plastic
The best way to cover lavender in winter is with breathable material like horticultural fleece, burlap, or a loose layer of evergreen boughs.
Plastic is a terrible choice because it traps moisture and blocks airflow, which invites rot and mold.
You want to protect lavender from wind, cold, and excess rain while still letting it breathe.
3. Cover The Crown, Not The Whole Plant
Contrary to what many people think, you don’t need to wrap the entire lavender plant in winter.
What really needs protection is the crown, the point where the stems meet the soil.
Some gardeners mound dry mulch, straw, or bark chips around the base of the plant without touching the stems.
Others simply drape fleece over the top of the plant, leaving the sides open for airflow.
Either way, the goal is to keep the crown dry, not to bury the whole plant.
4. Improve Drainage Before Winter Hits
Covering lavender in winter works best when the soil underneath drains well.
Mix grit, sand, or small gravel into the soil around your lavender, or plant it on a slight slope or mound.
That way, even if you don’t cover lavender in winter, the roots aren’t sitting in a puddle for weeks.
When You Don’t Need To Cover Lavender In Winter
If you garden in a mild climate with dry winters, lavender usually doesn’t need to be covered in winter at all.
In zones 7 and up, with well-drained soil and a hardy English variety, your lavender can sail through winter on its own.
1. Mild, Dry Winters
Lavender thrives in places with hot, dry summers and mild, dry winters.
If your winter temperatures rarely dip below freezing and rain isn’t constant, skip the cover and let the plant do its thing.
2. Hardy Varieties In Sheltered Spots
English lavender planted against a south-facing wall or in a raised bed with gravelly soil is tough enough to handle most winters uncovered.
The wall radiates heat and blocks harsh winds, giving the plant natural protection.
3. Overcovering Can Do More Harm Than Good
Wrapping lavender too tightly or leaving a cover on too long into spring can cause more damage than leaving it exposed.
Trapped moisture leads to fungal issues, and a lack of airflow weakens the plant.
So if you’re unsure whether lavender needs to be covered in winter, remember that less is often more.
So, Does Lavender Need To Be Covered In Winter?
Lavender needs to be covered in winter if you grow tender varieties, live in a cold or wet climate, or have young plants that aren’t established yet.
Otherwise, hardy lavender in mild, dry conditions usually does fine uncovered.
The key is to protect lavender from wet and cold without smothering it, and to use breathable covers that let air circulate.
So think about your climate, your variety, and your soil before you decide whether lavender needs to be covered in winter.
Get that right, and your lavender will reward you with fragrant blooms year after year.