Knapweed, Star Thistle, Cornflower (Centaurea)
Latin name: Centaurea
photo
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Knapweed, Star Thistle, Cornflower characteristics
plant height (cm) | 30-70 cm |
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life span | annual |
fragrant flower | no fragrance |
type of stem | erect |
flower size | large |
flower color | burgundy, lilac, pink, purple, blue, light blue, white |
timing of flowering | august, july, june |
known to be toxic | not poisonous plant |
Centaurea, Knapweed, Star Thistle, Cornflower growing
soil type | sandy loam soil, loamy soil |
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water needs | moderate |
soil acidity | alkaline soil, neutral soil |
method of cultivation | non seedlings |
Centaurea planting
sun exposure | full sun |
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landscape use | flowerbed, specimen, border |
Knapweed, Star Thistle, Cornflower (Centaurea) care
cold hardiness zone | no data |
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frost resistance | frost resistance |
shelter in winter | shelter is not required |
*Some characteristics are relevant for a temperate climate
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Knapweed, Star Thistle, Cornflower, Centaurea photo, characteristics and planting, care and growing.
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