Fertilizer For Lavender: When To Feed Lavender In Gardens

French lavender plant in bloom backlit with bright white background.
Image by Victoria1988

By Liz Baessler

Lavender is a fantastic plant to have around – it looks good, it smells amazing, and it can be harvested for use in cooking and making sachets. It’s also extremely easy to care for, as long as you know how to do it. Keep reading to learn more about when and how to fertilize lavender plants.

Fertilizing Lavender Plants

Lavender is a tricky plant to grow, though its needs are actually very simple. But time and again gardeners find theirs dying on them. Why is this? More often than not, the plants have actually been cared for to death.

Lavender needs very little water to survive, and it’s frequently drowned by well-intentioned gardeners who think they’re doing it a favor. And the very same thing goes for fertilizer.

How and When to Feed Lavender

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Lavender plants really prefer nutrient poor soil. Fertilizing lavender too heavily may cause it to grow excess foliage and never flower (particular if the fertilizer for lavender is rich in nitrogen) or it may flat out kill it.

This isn’t to say that lavender plant feeding is completely out of the question – it’s all just a matter of doing it right. The best (and only) time for fertilizing lavender is in the springtime at the start of the growing season. The easiest and best thing to do is to put down an inch of good compost around the plant. This should provide plenty of nutrients for the year to come.

Alternatively, you can feed your lavender with a small amount of slow release fertilizer. Once you’ve done this, leave it alone. Fertilizing lavender too much can hurt it. Don’t fertilize in the fall, either. This will make the plant produce tender new growth that will only get damaged or killed in the winter.

With lavender plant feeding, a little really does go a long way.

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