When to plant calendula in Tranmere
- Sow in trays: mid Feb to early AugTranmere area, Mediterranean
- Move seedlings out: mid Mar to early SepTranmere area, Mediterranean
- Sow in the ground: mid Mar to early SepTranmere area, Mediterranean
- Plant seedlings: mid Mar to early SepTranmere area, Mediterranean
Worked out from 30 years of climate records for Tranmere. Microclimates vary: frost hollows and hills run later.
A tough, sunny cool-season flower with edible petals. It attracts hoverflies and ladybirds that eat aphids, and keeps flowering through autumn, winter and spring when little else does. A great partner for brassicas and salad greens.