When to plant watermelon in Onkaparinga Hills
- Sow in trays: mid Oct to mid NovOnkaparinga Hills area, cool Mediterranean
- Move seedlings out: late Nov to late DecOnkaparinga Hills area, cool Mediterranean
- Sow in the ground: late Nov to late DecOnkaparinga Hills area, cool Mediterranean
- Plant seedlings: late Nov to late DecOnkaparinga Hills area, cool Mediterranean
Worked out from 30 years of climate records for Onkaparinga Hills. Microclimates vary: frost hollows and hills run later.
A sprawling summer vine that needs Adelaide's long hot season, plenty of space and warm soil. Sow or plant in late spring. A melon is ripe when the tendril nearest it has browned and the patch underneath turns creamy yellow.