This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase, I may receive a small commission at no extra cost to you.
Lavender does need feeding, but only when it’s grown in pots or poor soil, because too much food can actually harm this tough Mediterranean herb.
If you’ve ever wondered whether lavender needs feeding at all, the short answer is yes, but sparingly and at the right time.
In this post, we’ll look at when lavender needs feeding, what to feed it, and how to avoid the common mistakes that kill lavender with kindness.
Let’s dig in.
Why Lavender Needs Feeding (But Only Sometimes)
Lavender needs feeding in specific situations, and understanding those situations is the key to keeping your plant happy.
1. Lavender Grown in Pots Needs Regular Feeding
Lavender planted in containers needs feeding far more often than garden lavender because potting soil runs out of nutrients quickly.
Every time you water a pot, nutrients leach out through the drainage holes.
So your potted lavender needs feeding every four to six weeks during the growing season to stay healthy and blooming.
2. Poor or Sandy Soil Leaves Lavender Hungry
Lavender loves poor, sandy, well-draining soil, but that same soil often lacks the nutrients the plant needs to thrive.
If your lavender sits in lean ground, a light feed in spring gives it the boost it needs to push out new growth.
That said, rich garden soil usually holds enough nutrients on its own, so lavender in good ground rarely needs feeding at all.
3. Lavender in the Ground Usually Feeds Itself
Lavender planted in average garden soil generally doesn’t need feeding because it’s adapted to surviving on very little.
Feed garden lavender too much and you’ll get soft, floppy growth with fewer flowers and a weaker scent.
So if your lavender is in the ground and looking fine, you can skip feeding altogether.
What to Feed Lavender
When lavender does need feeding, the type of food matters just as much as the timing.
1. Use a Balanced or Low-Nitrogen Fertilizer
A balanced fertilizer or one low in nitrogen works best for lavender because too much nitrogen pushes leafy growth instead of flowers.
Look for something like a 5-10-10 blend, which supports strong roots and abundant blooms.
2. Dilute Before You Apply
Always dilute liquid fertilizer to half strength before feeding lavender, since full-strength doses can burn the roots.
Feed your lavender once in early spring and again after the first flush of flowers fades.
3. Add a Little Compost Instead
If you’d rather keep things natural, a thin layer of compost around the base of your lavender gives it gentle, slow-release nutrients.
This is a safe way to feed lavender without risking the overdose that synthetic fertilizers sometimes cause.
When to Feed Lavender
Timing your feeding correctly keeps lavender vigorous without encouraging tender growth that cold weather will kill.
1. Feed in Early Spring
Early spring is the best time to feed lavender because the plant is waking up and ready to grow.
A light feed now sets the stage for a full season of fragrant blooms.
2. Feed Again After the First Bloom
After your lavender finishes its first flowering flush, a second light feed helps it recover and prepare for more blooms.
Just don’t feed lavender late in the season, because new growth won’t have time to harden before winter.
3. Never Feed in Winter
Lavender goes dormant in winter, so feeding it during the cold months does nothing but waste fertilizer and risk root damage.
Hold off on feeding lavender until you see fresh green growth in spring.
So, Does Lavender Need Feeding?
Lavender does need feeding, but only when it’s grown in pots or planted in poor soil, since garden lavender usually feeds itself.
Feed your lavender lightly in early spring and again after the first bloom, using a diluted low-nitrogen fertilizer or a bit of compost.
Avoid overfeeding lavender, because too much food causes floppy growth and fewer flowers.
Get the balance right, and your lavender will reward you with fragrant blooms season after season.