Genovese Basil: Why It Dies and How to Keep It Alive
Genovese basil is the classic Italian basil for pesto. It’s easy to grow but easy to kill — usually from cold, overwatering, or not pruning.
Basil is tropical. Treat it like a tropical plant and it thrives.
Quick Facts
| Attribute | Value |
|---|---|
| Days to sprout | 5-10 |
| Days to harvest | 50-60 |
| Sun | 6-8 hours |
| Spacing | 8-12 inches |
| Height | 18-24 inches |
| Flavor | Sweet, anise-like |
Why Grow It
- Pesto. The classic basil for Italian cooking.
- Fast. Harvest in 50-60 days.
- Prolific. Regular harvest = more leaves.
- Container-friendly. Grows in 8-inch pot.
How It Fails
Failure 1: Cold. Below 50°F, basil blackens and dies. Keep above 60°F. Failure 2: Overwatering. Root rot. Let top inch dry. Failure 3: Flowering. Pinch buds to keep leaves coming. Failure 4: Downy mildew. Yellow leaves with dark spots. No cure.
Comparison
| Variety | Flavor | Best For |
|---|---|---|
| Genovese | Sweet, anise | Pesto |
| Thai | Licorice, spicy | Asian cooking |
| Holy | Clove, peppery | Tea, stir fry |
| Purple | Mild, sweet | Garnish |
Common Questions
Why is my basil dying? Usually cold or overwatering. Check both.
Should I let it flower? No. Pinch buds to keep leaves coming.
How do I prune basil? Cut above a leaf node. Two new stems grow.
Can I grow it indoors? Yes, with 6+ hours of light. South window or grow light.
Why are leaves turning yellow? Overwatering, cold, or downy mildew.
Can I overwinter basil? Usually no. Treat as annual. Or take cuttings.