What weeds are most common in your garden? Lots of nettles? Then you have rich, damp soil. Field buttercup, Wood aven, mosses and sedges? Then you have wet…
You will need to grow in moist well-drained soil with a position in full sun.
Sow the seed in the spring, divide the perennials from the autumn to spring.
Pests, diseases or disorders
Watch out for mildew.