Should I Cut Back Lavender? Yes – Here's How & When

By Michael Chen · January 23, 2026

Yes, you should cut back lavender after flowering to maintain plant health, encourage bushier growth, and prevent woody stems. Pruning in late summer or early fall is ideal for most varieties.

Why You Should Cut Back Lavender

Pruning lavender is essential for prolonging its lifespan and ensuring vibrant blooms year after year. Without regular trimming, lavender plants become leggy, woody, and less productive.

Benefits of Pruning Lavender

Prevents the base from becoming woody and bare
Promotes air circulation, reducing fungal disease risk
Encourages denser, more fragrant foliage
Improves winter survival in colder climates
Enhances flower production in the following season

When to Prune Lavender

The timing of pruning depends on your climate and lavender variety. Most gardeners should prune twice a year: a light trim after flowering and a more cautious shaping in early spring.

Best Time by Season

After Flowering (Late Summer to Early Fall): This is the primary pruning window. Cutting back by one-third helps prepare the plant for winter.
Early Spring (Just as New Growth Begins): A light trim removes any winter damage and shapes the plant before active growth.
Avoid Late Fall or Winter Pruning: In cold regions, pruning too late can reduce hardiness and lead to dieback.

How to Properly Cut Back Lavender

Follow these steps for effective and safe pruning:

Use clean, sharp shears or hedge trimmers.
Cut back about one-third of the green growth—never into old wood without leaves.
Shape the plant into a rounded mound to shed rainwater and prevent rot.
Remove spent flower stalks to redirect energy to root and foliage development.
Disinfect tools between plants to prevent disease spread.

Common Pruning Mistakes

Pruning into woody stems with no green growth
Waiting too long to prune, leading to excessive woodiness
Over-pruning in fall, increasing winter kill risk
Using dull or dirty tools that damage stems

Lavender Pruning Guidelines by Variety

Lavender Variety	Max Height (cm)	Flowering Period	Pruning Time	Pruning Amount	Hardiness Zone
English Lavender (Lavandula angustifolia)	60	June–July	After bloom + early spring	1/3 of green growth	5–8
French Lavender (Lavandula dentata)	90	May–September	After each bloom cycle	Light shaping	8–10
Spike Lavender (Lavandula latifolia)	75	July–August	After flowering	1/3 of stem	7–9
Lavandin (Lavandula x intermedia)	100	July–August	After bloom	Up to 1/3	6–9

Table data source:1, 2

The data shows that English lavender, the most cold-hardy type, requires moderate pruning after its short bloom period. In contrast, French lavender blooms longer and benefits from multiple light trims. Avoid cutting beyond green growth, especially in less hardy types like French lavender, which do not regenerate well from old wood.

Tools and Supplies for Pruning Lavender

Using the right tools ensures clean cuts and healthy regrowth.

Bypass Pruners: Ideal for small plants or precise cuts.
Hedge Trimmers: Efficient for large plantings or hedges.
Gloves: Protect hands from dry, scratchy foliage.
Disinfectant Spray: Use rubbing alcohol between plants to prevent pathogen transfer.

Post-Pruning Care Tips

After pruning, support recovery with proper care:

Water only if soil is dry—lavender prefers well-drained conditions.
Do not fertilize heavily; lavender thrives in low-nutrient soils.
Ensure full sun exposure (at least 6–8 hours daily).
Apply a light mulch of gravel or sand to improve drainage and reduce moisture retention around the crown.

Frequently Asked Questions About Pruning Lavender

Can I prune lavender in the fall?

Yes, but only right after flowering ends, typically in late summer to early fall. Avoid pruning in late fall or winter, as new growth may not harden before cold weather, increasing the risk of frost damage.

What happens if I don’t prune my lavender?

Unpruned lavender becomes woody at the base, produces fewer flowers, and may split open in winter due to poor structure. Over time, the plant weakens and dies prematurely.

How much should I cut back lavender?

Trim back about one-third of the green, leafy growth—never into the woody part of the stem. Cutting too far down prevents regrowth since lavender cannot sprout from old wood.

Can lavender grow back after being cut too far?

No, lavender will not regrow from bare, woody stems. If you cut into old wood without green shoots, those branches will likely die. Always leave some green foliage when pruning.

Should I deadhead lavender during the growing season?

Yes, deadheading spent flowers encourages a second flush of blooms in some varieties and keeps the plant looking tidy. Remove flower spikes just below the bloom but above the new leaf growth.