These large, long-lived clump forming plants make wonderful border fillers and are superb for cutting.
CAUTION:May cause skin allergy.
Approx. 750 seeds
Sow indoors for surest results, February-May, 1.5cm (“) deep, in a tray of compost. Water well and place in a cold frame, unheated greenhouse, or a warm kitchen windowsill. Keep moist. Seedlings usually appear in 14-28 days. Transplant individually, when large enough to handle, to 7.5cm (3″) pots. Always hold seedlings by a leaf, never by the stem. Gradually accustom young plants to outside conditions (avoid frosts), before planting out into well-drained soil, May-October, 40cm (16”) apart.
Sow outdoors, May-July, in a seed bed, into finely-prepared, well-drained soil, which has already been watered. Keep moist and weed free. Thin seedlings to 5cm (2″) apart, before planting out to flowering position in autumn. Flowers: June-August, the following year.
Extend the flowering season by making frequent cuttings or by dead heading.
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