Double Mixed Wallflower Seeds 6665. Bushy plants about 40 cm (16″) across are covered with four-clawed clusters of orange, rose, red and yellow shaded flowers. Uniform sized plants bloom in the spring and are quite easy to grow. Transplants well. Adds a sophisticated fragrance to any floral arrangement. Biennial hardy to Zone 5 with protection. We recommend using a light mulch to protect the evergreen rosettes over the winter. Wallflower may self-sow and naturalize where winters are mild.
How to Grow
680 seed/gram. Start indoors in a soil-less mix in early March. Sow seed 6 mm (1/4″) deep and keep at 20 C (70 F) for 20-25 days germination period. After germination grow on at slightly cooler temperatures before hardening off and transplanting to a sunny to slightly shaded area in the garden. Wallflower has two-year life cycle. Plants grow only leaves first season from seed. In second season, they bloom, cast seed and die with first frost.