Characteristics Tunicflower. Height of plant (cm) 30-70 cm. Flower size small. Type of stem erect. Fragrant flower no fragrance. Shelter in winter shelter is not required. Flower color white. Method of cultivation non seedlings. Sandy loam soil, sandy soil. Landscape use container, flowerbed, border, rock garden. Light needs full sun. Timing of flowering autumn, august, july, june. Water needs moderate. Not poisonous plant. Lifetime 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).