Sow indoors, February-June, 0.5cm (¼”) deep, in a tray of compost. Water well and place in a cold frame, unheated greenhouse, or on a warm kitchen windowsill. Keep moist. Seedlings usually appear in 21-50 days. Pot on individually, when large enough to handle, to 7.5cm (3") pots. Always hold by a leaf, never by the stem. Gradually accustom young plants to outside conditions (avoid frosts), before planting out, into well-drained soil, September-October, 30cm (12") apart. Flowers: July-September, the following year.
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