Direct sow outside into soil in early spring or late fall. Sow indoors 8 weeks before the last heavy frost. Sow seeds thinly and evenly in moist, peat moss-based medium. Cover seed sparingly with peat moss. Keep moist. Seeds germinate in 21 days at 18C (65F). Grow under bright light indoors until ready to transplant. Irrigate until established. Mature height is 8cm (39). Hardy to Zone 4.