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Caring for a lavender bush is easier than most people think, and it mostly comes down to mimicking the dry, sunny conditions this plant loves in its native Mediterranean home.
If you give a lavender bush plenty of sunlight, sharp drainage, and very little fuss, it will reward you with fragrant foliage and a cloud of purple blooms every summer.
In this post, we’ll walk through exactly how to care for a lavender bush, from planting and watering to pruning and overwintering.
Whether you’re nursing a struggling plant back to health or starting fresh with a new lavender bush, these tips will keep it thriving for years.
How to Care for a Lavender Bush: The Basics
Knowing how to care for a lavender bush starts with understanding where it comes from.
Lavender is a Mediterranean plant, which means it craves heat, sun, and gritty soil that drains fast.
When you care for a lavender bush with those three things in mind, everything else falls into place.
1. Give It Full Sun
A lavender bush needs at least six to eight hours of direct sunlight every single day.
The more sun it gets, the more flowers it produces, and the stronger that famous scent becomes.
If your lavender bush sits in shade, it will grow leggy, flop over, and bloom poorly.
So plant your lavender bush in the sunniest spot your garden has to offer.
2. Plant It in Well-Draining Soil
Lavender hates wet feet, and soggy soil is the number one killer of a lavender bush.
Aim for sandy or gravelly soil with a slightly alkaline to neutral pH.
If your garden soil is heavy clay, mix in plenty of grit, sand, or horticultural gravel before planting.
You can also grow a lavender bush in a raised bed or a pot, which gives you total control over drainage.
3. Water Deeply but Infrequently
Once a lavender bush is established, it’s remarkably drought tolerant.
Water deeply every two to three weeks during dry spells, then let the soil dry out completely.
Young lavender bushes need a bit more attention, so water them lightly once or twice a week for the first season.
When you care for a lavender bush, remember that too much water is far more dangerous than too little.
Pruning and Feeding a Lavender Bush
Pruning is where a lot of gardeners slip up, and it’s also the secret to a long-lived lavender bush.
1. Prune After Flowering
The best time to prune a lavender bush is right after the flowers fade in late summer.
Cut back about a third of the green growth, shaping the plant into a neat dome.
Never cut into the old, woody stems because they rarely regrow, and you can kill the plant.
2. Deadhead Spent Blooms
Snip off faded flower spikes throughout the season to encourage more blooms.
Deadheading also keeps your lavender bush looking tidy and stops it from self-seeding everywhere.
3. Go Easy on Fertilizer
A lavender bush actually performs better in lean soil, so skip the rich compost and heavy feeding.
A light sprinkle of bone meal or a low-nitrogen fertilizer in spring is plenty.
Too much nitrogen makes a lavender bush grow soft and leafy at the expense of flowers and scent.
Protecting a Lavender Bush in Winter
Cold, wet winters are tough on lavender, especially in cooler climates.
1. Improve Drainage Before Winter
Waterlogged roots in freezing temperatures will rot a lavender bush fast.
Mix grit into the soil around the base and avoid planting in low spots where water pools.
2. Add a Light Mulch
Cover the root zone with a layer of gravel or dry straw, but keep it away from the stems.
This protects the roots from frost without trapping moisture against the plant.
3. Grow Tender Varieties in Pots
If you live somewhere with harsh winters, grow your lavender bush in a container.
Then simply move it into a shed, garage, or greenhouse when the cold sets in.
Common Problems When You Care for a Lavender Bush
Even with the best intentions, a few issues pop up when you care for a lavender bush.
1. Root Rot
Yellowing leaves and a wilting lavender bush usually mean the roots are sitting in soggy soil.
Fix the drainage and cut back on watering to save it.
2. Leggy Growth
A lavender bush that’s starved of sun or never pruned turns woody and sparse.
Give it more light and a proper annual trim to encourage fresh growth.
3. Pests and Disease
Lavender is fairly pest resistant thanks to its oils, but spittlebugs and aphids can occasionally show up.
A strong blast of water or a little insecticidal soap usually takes care of them.
So, How Do You Care for a Lavender Bush?
You care for a lavender bush by giving it full sun, sharp drainage, infrequent watering, and a yearly prune.
Keep the soil lean and dry, protect the roots in winter, and avoid overwatering at all costs.
Do that, and your lavender bush will stay healthy, fragrant, and covered in blooms for many seasons.
Happy gardening.