Cornflower

Latin name: Centaurea ruthenica

yellow  Cornflower photo
yellow

click photo to enlarge

flower coloryellow
life spanperennial
landscape useflowerbed, specimen, border
timing of floweringaugust, july
soil acidityalkaline soil, neutral soil
soil typesandy loam soil, loamy soil
water needsmoderate
light needsfull sun
cold hardiness zone3 (-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 cultivationnon seedlings
poisonous or toxicnot poisonous plant
type of stemerect
fragrant flowerno fragrance
shelter in wintershelter is not required
plant height (cm)higher 100 cm
flower sizelarge
frost resistancefrost resistance

*Some characteristics are relevant for a temperate climate

Cornflower photo

catalog: Garden Flowers

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Knapweed, Star Thistle, Cornflower
Knapweed, Star Thistle, Cornflower
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flower size
plant height (cm)
fragrant flower
type of stem
shelter in winter
poisonous or toxic
frost resistance
method of cultivation
flower color
landscape use
cold hardiness zone
timing of flowering
light needs
soil acidity
water needs
soil type
life span
 



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