Plant guide:ð Lavender
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Nutrients
Excess Nitrogen Causing Lush but Non-Flowering Lavender
Commonly affects: Lavandula angustifolia / L. x intermedia (Lavender)
The plant grows unusually lush, soft, and leafy but produces few or no flowers, sometimes with weaker, floppier stems than typical.
Potential Causes
- 1Overly rich soil or fertiliser high in nitrogen, which favours leafy growth at the expense of flowering
- 2Applying general-purpose garden fertiliser intended for more demanding plants, rather than lavender's naturally lean requirements
- 3Planting in a spot recently amended with rich compost or manure intended for other plants
Solution Steps
- 1Stop feeding entirely and allow the soil's excess nutrients to be used up or leach out over a season or two
- 2Avoid fertilising lavender at all in most garden soils, since it thrives on relative nutrient scarcity
- 3If replanting, choose a lean, unamended spot rather than a recently richly-composted bed
- 4Be patient, since flowering typically improves once excess nitrogen is depleted from the soil
Prevention Tip
Unlike most garden plants, lavender actively performs worse with rich soil and regular feeding â resisting the urge to fertilise is often the fix, not the problem.



