Pot marigold
Helper flowers · Calendula officinalis · Daisy family · Annual
Green manure and protector in one: heals the soil, deters nematodes, its flowers draw in hoverflies and bees.
Spring to midsummer; flowers in 6–8 weeks
Seed rate: 1 g/m²
Protects: Chives, Coriander (cilantro), Jerusalem artichoke, Oregano, Thyme
A good green manure before: Swiss Chard