Best Fertilizer for Lavender
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GardenSays
Don't fertilize — lavender plants want lean soil.
- Before planting
- Nothing
- Ongoing
- Nothing
- Focus on
- Drainage
Lavender plants are the opposite of hungry vegetables: Lavender likes soil that is quite low in nutrients — plants don't generally need feeding (RHS).
- Feeding lavender backfires: lush growth flops, flowers thin out, and plants age faster.
Calculated result · 1 verified source · Checked 2026-07-16 · How we decide
Why
skip the compost habit here — grit for drainage helps lavender more than nutrients do
- Lavender likes soil that is quite low in nutrients — plants don't generally need feeding (RHS).
When this doesn't apply
- Containers are the one exception — see the container program by switching 'Where is it growing?' above.
How this was calculated
- 1. Feeding profile
Lavender: Lavender likes soil that is quite low in nutrients — plants don't generally need feeding (RHS).
- 2. Lean-soil rule
none — lavender wants poor, dry or moderately fertile soil; improve drainage, not fertility
Data sources
- Royal Horticultural Society — How to grow lavender — Lavender likes soil that is quite low in nutrients, so plants don't generally need feeding; it thrives in poor, dry or moderately fertile soils including chalky and alkaline. (checked 2026-07-16)
What changes this answer
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People also ask
When should I fertilize lavender?
Don't fertilize — lavender plants want lean soil. Calculate yours →
How often to water lavender?
Water deeply 2× per week, about 0.6 gallons per plant each time. Calculate yours →