Flower Giant Knotweed
Latin name: Polygonum sachalinense, Fallopia sachalinensis
click photo to enlarge
flower color white life span perennial landscape use hedge, specimen, border timing of flowering august, july soil acidity neutral soil soil type sandy loam soil, loamy soil water needs moderate light needs semi-shade, full sun 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) method of cultivation non seedlings poisonous or toxic not poisonous plant type of stem erect fragrant flower fragrance shelter in winter shelter is not required plant height (cm) higher 100 cm flower size small frost resistance frost resistance
*Some characteristics are relevant for a temperate climate
Flower Giant Knotweed photo
catalog: Garden Flowers
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