When to plant sweet alyssum in Howitt
- Sow in trays: late Mar to mid JunHowitt area, tropical savanna
- Move seedlings out: late Apr to mid JulHowitt area, tropical savanna
- Plant seedlings: late Apr to mid JulHowitt area, tropical savanna
- Sow in the ground: mid Jun to mid JulHowitt area, tropical savanna
Worked out from 30 years of climate records for Howitt. 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.