60 - 70 cm
August - September
well drained, moderately fertile
neutral - alkaline
Knautia is a genus of 9 species in the family, Capryfoliaceae. One species is native to iceland (*).
Division in spring.
Seed - sown in January - February.
Seed just covered and stored at 20°C (68°F) until germination, which can be slow.
Tall plant that needs staking.