Characteristics Garden Flowers Adonis sibirica. Height of plant (cm) 30-70 cm. Fragrant flower no fragrance. Type of stem creeper. Flower size large. Shelter in winter shelter is not required. 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). Method of cultivation non seedlings. Flower color yellow. Landscape use flowerbed, border, rock garden. Light needs semi-shade. Timing of flowering june. Water needs moderate. Parts of plant are poisonous or toxic. Lifetime perennial. Sandy loam soil. Frost resistance. Alkaline soil.