When to plant thai basil in Casterton
- Sow in trays: mid Nov to early DecCasterton area, cool Mediterranean
- Move seedlings out: late Dec to late JanCasterton area, cool Mediterranean
- Sow in the ground: late Dec to late JanCasterton area, cool Mediterranean
- Plant seedlings: late Dec to late JanCasterton area, cool Mediterranean
Worked out from 30 years of climate records for Casterton. Microclimates vary: frost hollows and hills run later.
A basil with purple stems and an aniseed flavour for Thai and Vietnamese cooking. It handles heat and humidity better than sweet basil and is slower to bolt. Grow it year round in the tropics and through the warm months in the subtropics and the south. Frost kills it.