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To properly prune lavender, you need to cut back about one-third of the plant’s growth after it finishes blooming.
This keeps the plant tidy, encourages fresh growth, and prevents it from getting woody and leggy.
If you’ve ever wondered how to properly prune lavender without killing it, you’re in the right place.
Knowing how to properly prune lavender is honestly one of the best skills you can learn if you want these plants to thrive for years.
In this post, we’ll walk through why pruning matters, when to do it, and exactly how to properly prune lavender so it stays lush and healthy.
Let’s get into it.
Why Properly Pruning Lavender Matters
Learning how to properly prune lavender matters more than most people realize.
Here’s why:
1. It Prevents Woodiness
Lavender has a nasty habit of turning woody at the base if you ignore it.
When you properly prune lavender, you encourage soft new growth instead of letting old stems harden.
Once lavender goes fully woody, it rarely produces fresh shoots from that old wood.
2. It Boosts Bloom Production
If you want more flowers next season, you need to properly prune lavender this season.
Cutting back spent blooms redirects the plant’s energy into new growth.
That’s the secret to those dense, fragrant purple spikes everyone loves.
3. It Improves Airflow and Shape
A crowded lavender plant traps moisture and invites disease.
When you properly prune lavender, air moves freely through the stems.
This reduces the risk of root rot and fungal issues while keeping the plant looking full and rounded.
When to Properly Prune Lavender
Timing is everything when you want to properly prune lavender.
1. Prune After the First Bloom
The best time to properly prune lavender is right after its first flush of flowers fades.
This usually lands in late summer for most gardeners.
Cutting then gives the plant time to recover before cold weather arrives.
2. Avoid Pruning in Late Fall or Winter
Never properly prune lavender going into winter.
Fresh cuts are vulnerable to frost damage.
If you must tidy things up, wait until early spring when new growth appears.
3. Light Trimming in Spring Is Fine
A gentle trim in early spring helps you properly prune lavender without stressing it.
Just remove dead tips and shape the plant lightly.
Save the heavier pruning for after blooming.
How to Properly Prune Lavender Step by Step
Now let’s talk about how to properly prune lavender so you get it right the first time.
1. Gather the Right Tools
Before you properly prune lavender, grab a pair of sharp, clean pruning shears.
Dull blades crush stems and invite disease.
Wipe your shears with rubbing alcohol first to keep things sterile.
2. Cut Above the Woody Base
The golden rule when you properly prune lavender is to never cut into the old woody stems.
Aim for the soft green growth just above it.
Leave about two-thirds of the green stems and remove the top third.
3. Follow the Natural Shape
As you properly prune lavender, follow the plant’s natural mound shape.
Don’t chop it into a flat top.
Work around the plant evenly so it keeps that soft, rounded silhouette.
4. Deadhead Spent Flowers Regularly
Throughout the season, keep deadheading faded blooms.
This isn’t the same as a full prune, but it helps you properly prune lavender over time.
It also keeps the plant producing more flowers instead of seeds.
5. Don’t Cut Too Far Down
The biggest mistake people make when they properly prune lavender is cutting into old wood.
Those brown, leafless stems won’t regrow.
Stay in the green zone and your lavender will reward you generously.
So, How Do You Properly Prune Lavender?
You properly prune lavender by cutting back about one-third of its soft green growth right after blooming, while staying well above the woody base.
You also properly prune lavender by timing it in late summer, using clean sharp shears, and following the plant’s natural shape.
Avoid cutting into old wood, skip late-fall pruning, and deadhead regularly throughout the season.
Do this consistently, and your lavender will stay bushy, fragrant, and full of blooms for years.
So now that you know how to properly prune lavender, grab those shears and give your plant the care it deserves.