When to plant sweet alyssum in Horsham
- Sow in trays: early Feb to early FebHorsham area, semi-arid
- Move seedlings out: mid Mar to mid MarHorsham area, semi-arid
- Sow in the ground: mid Mar to mid MarHorsham area, semi-arid
- Plant seedlings: mid Mar to mid MarHorsham area, semi-arid
Worked out from 30 years of climate records for Horsham. Microclimates vary: frost hollows and hills run later.
A low carpet of tiny honey-scented flowers that feeds hoverflies and tiny parasitic wasps, two of the best aphid and caterpillar hunters. Edge your beds with it, or tuck it between lettuces and brassicas. Flowers most of the year in Adelaide.