Bushy plants about 40 cm (16") across are covered with four-clawed clusters of orange, rose, red and yellow shaded flowers.
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.
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How To Grow
680 seeds/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.
Blooming Season Begins
Start Indoors or Sow Direct in Fall
Days to Emergence
20 to 25
Medium %2845 to 60 cm%29%2818 to 24%22%29
Degree of Difficulty
Cheiranthus allioni (Erysimum marshallii )
Early spring colour
Massing in sunny sites