Thai Basil
herb
- 2026 · Bed F
- Spacing
- 6 in(4 / sqft)
- Trellis
- no
- Seed indoor
- Mar 4(-6 w)
- Transplant
- Apr 15(at frost)
- Harvest
- ~10–12 weeks from sowing
- Succession
- every 3-4 weeks
- Water
- 1-2 per week
- Seed shelf life
- 4–5 y
- Lifecycle
- annual
- Seed source
- Johnny's Selected Seeds
Heat-loving — hold transplants until soil is reliably warm. Pinch tops above the third leaf set to encourage bushy growth and delay flowering. Whole-plant cut at 4-6 in regrows for a second flush.