Description
This makes an elegant statement in a sunny border with tightly packed clusters of dainty lilac-purple flowers on tall, 1.5 to 2.5m, (5 – 8ft) stiff, square, wiry branching stems June /July to October the effect is a haze of purple at shoulder height. Excellent for bees and butterflies and also for cutting. Cut the flower stems down after flowering, and in cold areas mulch over winter. Although a short lived perennial, it will self-seed then flower in the first year. Height in flower up to 2.5m (8ft).
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