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Cornflower (Centaurea ruthenica), yellow
Photo Cornflower (Centaurea ruthenica), click for zoom.
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Centaurea ruthenica, Cornflower description and care.
| type of stem | erect |
| flower size | large |
| fragrant flower | no fragrance |
| water needs | moderate |
| height of plant (cm) | higher 100 cm |
| frost resistance | frost resistance |
| lifetime | perennial |
| method of cultivation | non seedlings |
| poisonous plant | not poisonous plant |
| soil acidity | alkaline soil, neutral soil |
| shelter in winter | shelter is not required |
| 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) |
| timing of flowering | august, july |
| flower color | yellow |
| soil type | sandy loam soil, loamy soil |
| landscape use | flowerbed, specimen, border |
*Some characteristics are relevant for a temperate climate
| Latin name | Centaurea ruthenica |
You can buy Cornflower in online stores (seed, seedlings).
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Knapweed, Star Thistle, Cornflower
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