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