1400-2100 seeds/gram. 600 seeds/gram. Start indoors in a soil-less mix 8-10 weeks early. Sow on the surface of the growing medium and keep at 21-24 C (70-75 F) for the 10-21 day germination period. Grow-on under lights at a cooler temperature range of 15-18 C (60- 65 F). Hardening-off before transplanting is essential. Plant outside in a semi-shady site after the danger of frost has passed. Space plants 20-25 cm (8-10") apart in the garden.
Tender Perennial Grown as an Annual
10 to 21
Killed by Frost
Shady planters, containers and window boxes Shady border Woodland garden Shady rock garden Massing in a shady site