When to plant brussels sprouts in Geranium
- Sow in trays: late Jan to late MayGeranium area, humid subtropical
- Move seedlings out: mid Mar to early JulGeranium area, humid subtropical
- Plant seedlings: mid Mar to early JulGeranium area, humid subtropical
Worked out from 30 years of climate records for Geranium. Microclimates vary: frost hollows and hills run later.
A slow, cold-loving brassica that needs a long cool season to form firm sprouts; it's best in the Adelaide Hills or from an early summer sowing on the plains. Plants grow tall and top-heavy, so firm the soil and stake them. Sprouts sweeten after cold nights.