Mounds of deeply cut foliage look good in borders all year round, but really come to life once its tall stems are graced with large heads of elegant cow parsley-like white flowers held above lacy dark green feathery foliage from July to October.
Looks spectacular interplanted with Verbena bonariensis, attracting beneficial insects and making an excellent cut flower.
Height: 70-100cm (28-40in).
||September to February or May to June.
||Cover with a fine sprinkling of compost or vermiculite.
Sow seed on the surface of lightly firmed, moist seed compost in pots or trays. Place container in a propagator or seal inside a polythene bag at a temperature of 21ºC (70ºF). Keep the surface of the compost moist but not waterlogged; germination will usually take 14-30 days. Transplant individual seedlings when large enough to handle into 7.5cm (3in) pots or trays.