Characteristics Wallflower, Cheiranthus. Height of plant (cm) 30-70 cm. Flower size middle. Type of stem erect. Fragrant flower fragrance. Shelter in winter shelter is not required. Flower color burgundy, yellow, orange, red, white. Method of cultivation seedling. Sandy loam soil, loamy soil. Landscape use container, flowerbed, border, rock garden. Light needs full sun. Timing of flowering autumn, august, july. Water needs moderate. Not poisonous plant. Lifetime biennial, perennial. Neutral soil. Frost resistance. Cold hardiness zone 4 (-34 to -29°C), 5 (-29 to -23°C), 6 (-23 to -18°C), 7 (-18 to -12°C), 8 (-12 to -7°C), 9 (-7 to -1°C).