Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!
You can encourage lavender to flower by giving it the exact growing conditions it craves: full sun, gritty soil, and a light trim at the right time.
If you’ve been wondering how to encourage lavender to flower, you’re in the right place.
Lavender isn’t a fussy plant, but it does have strong opinions about sun, drainage, and pruning.
Get those three things right and you’ll encourage lavender to flower far more reliably.
In this post, we’ll walk through how to encourage lavender to flower, from sunlight and soil to pruning and feeding.
Let’s dig in.
How to Encourage Lavender to Flower
Learning how to encourage lavender to flower starts with understanding what this plant loves.
Lavender is a Mediterranean herb, which means it thrives on sunshine, dry air, and poor, rocky soil.
When any of those elements are off, your plant may grow plenty of leafy green growth but refuse to bloom.
Here’s how to encourage lavender to flower by nailing the basics.
1. Give It Full Sun
Nothing encourages lavender to flower like direct sunlight.
Lavender needs at least six to eight hours of full sun every single day.
Without enough light, the plant stretches toward the nearest bright spot and puts its energy into stems and leaves instead of buds.
If you want to encourage lavender to flower, plant it in the sunniest spot in your garden.
That south-facing bed by the driveway is perfect.
2. Plant It in Well-Draining Soil
Lavender hates wet feet, and soggy roots are one of the fastest ways to stop it from blooming.
To encourage lavender to flower, mix coarse sand or fine gravel into your soil to improve drainage.
If your garden has heavy clay, grow lavender in a raised bed or a pot with plenty of drainage holes.
A slightly alkaline, lean soil is ideal, so skip the rich compost.
Rich soil encourages leafy growth, which is the opposite of what you want when you’re trying to encourage lavender to flower.
3. Water Deeply but Infrequently
Once established, lavender is drought tolerant, so let the soil dry out between waterings.
Overwatering is a common reason lavender fails to flower.
To encourage lavender to flower, water deeply at the base once the top inch or two of soil feels dry.
Never water from above, since wet foliage invites fungal disease.
How to Prune Lavender to Encourage Flowers
Pruning is one of the most powerful tools when you want to encourage lavender to flower.
Done at the wrong time, though, it can wipe out a whole season of blooms.
Here’s how to get it right.
1. Prune After the First Bloom
The best time to encourage lavender to flower again is right after its first flush fades.
Lightly shear the plant back by about a third, cutting just above the leafy growth.
This encourages lavender to flower a second time in late summer in many varieties.
Just avoid cutting into the old woody stems, since they rarely regrow.
2. Never Prune in Late Autumn
Pruning in fall stimulates fresh growth that won’t harden off before winter.
That tender growth dies in the cold, and the plant wastes energy it should save for spring.
If you want to encourage lavender to flower next year, do your main prune in early spring instead.
3. Deadhead Spent Blooms
Removing faded flower spikes throughout the season helps encourage lavender to flower more freely.
Deadheading stops the plant from putting energy into seed production.
That energy goes back into new buds instead.
Other Ways to Encourage Lavender to Flower
Beyond sun, soil, and pruning, a few smaller habits make a big difference.
1. Go Easy on Fertilizer
Too much nitrogen produces lush green foliage and almost no flowers.
To encourage lavender to flower, feed sparingly, if at all.
A light dose of phosphorus-rich fertilizer in early spring can help, but don’t overdo it.
2. Keep the Air Moving
Good airflow keeps foliage dry and reduces the humidity that lavender dislikes.
Space plants apart and avoid crowding them with taller neighbors.
This simple step helps encourage lavender to flower by keeping the plant healthy and stress-free.
3. Choose the Right Variety
Some lavender varieties bloom more readily in certain climates.
English lavender loves cool summers, while French and Spanish types prefer warmer weather.
Picking a variety suited to your region is one of the easiest ways to encourage lavender to flower year after year.
4. Be Patient in the First Year
Young lavender often needs a full season to settle in before blooming well.
If your plant is new and stingy with flowers, don’t panic.
Give it time, and continue to encourage lavender to flower with the tips above.
So, How to Encourage Lavender to Flower?
You can encourage lavender to flower by giving it full sun, gritty well-draining soil, and light pruning at the right time.
Go easy on water and fertilizer, keep the air moving, and choose a variety suited to your climate.
Learning how to encourage lavender to flower really comes down to patience and a little tough love.
Once you nail these conditions, your lavender will reward you with fragrant blooms season after season.