When to plant nasturtium in Onkaparinga Hills
- Sow in the ground: mid Feb to early JulOnkaparinga Hills area, cool Mediterranean
- Sow in the ground: late Jul to late JulOnkaparinga Hills area, cool Mediterranean
- Sow in the ground: mid Aug to late OctOnkaparinga Hills area, cool Mediterranean
Worked out from 30 years of climate records for Onkaparinga Hills. Microclimates vary: frost hollows and hills run later.
A cheerful, edible trailing flower that works as a trap crop: aphids and cabbage white caterpillars often go for it first, sparing your veggies. Peppery leaves and flowers are lovely in salads. Easy from seed, even in poor soil.