Tall yellow flower spikes in summer, over rosettes of silvery leaves. Will tolerate poor soil, but must be free-draining. May need supporting. Biennial or short-lived perennial.
Average content per packet: 400 seeds
February - April or July - August
Indoors - in seed trays or pots
Moisten compost before sowing. Sow thinly and cover lightly with compost or vermiculite. When 2 leaves show prick out into trays 4-5cm apart or into single pots. Harden off before planting out.