Basil Leaves Turning Yellow
Leaves problem · common pattern reported by gardeners · verify locally
What you'll see
- Lower leaves yellow first
- Yellowing upward
- Leaf drop
Most common causes
- Overwatering / poor drainage
- Nitrogen deficiency
- Cold soil
- Root-bound pots
How to fix it
- Let soil dry between waterings
- Feed with balanced fertilizer
- Pot up if root-bound
Prevention: Well-drained potting mix Warm soil (above 60°F) Water when top inch dry
More Basil problems
Grow Basil with confidence
Open the Basil growing guide → · Planting calendar · Pest & problem diagnoser
ZoneFig content reflects widely published extension-service and gardening guidance. Symptoms and causes are common patterns, not a diagnosis for any individual plant — verify locally and treat conservatively.