Characteristics Garden Flowers Buckwheat. Shelter in winter requires shelter. Flower size small. Fragrant flower no fragrance. Cold hardiness zone 7 (-18 to -12°C), 8 (-12 to -7°C), 9 (-7 to -1°C), 10 (-1 to +4°C). Height of plant (cm) 5-30 cm. Method of cultivation non seedlings. Flower color pink, yellow, orange, white. Landscape use container, flowerbed, border, rock garden. Type of stem erect. Timing of flowering july, june. Not poisonous plant. Water needs moderate. Lifetime perennial. Light needs semi-shade, full sun. Frost resistance. Alkaline soil, neutral soil. Sandy loam soil, sandy soil.
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