Cornflower
Latin name: Centaurea ruthenica
yellow
click photo to enlarge
flower color yellow
life span perennial
landscape use flowerbed, specimen, border
timing of flowering august, july
soil acidity alkaline soil, neutral soil
soil type sandy loam soil, loamy soil
water needs moderate
light needs full sun
cold hardiness zone 3 (-40 to -34°C) , 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
poisonous or toxic not poisonous plant
type of stem erect
fragrant flower no fragrance
shelter in winter shelter is not required
plant height (cm) higher 100 cm
flower size large
frost resistance frost resistance
*Some characteristics are relevant for a temperate climate
Cornflower photo
catalog: Garden Flowers
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Knapweed, Star Thistle, Cornflower
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