Knapweed, Star Thistle, Cornflower (Centaurea)
Latin name: Centaurea
photo
click photo to enlarge
 flower color: blue druidgor.narod.ru |
 flower color: light blue narodnaya-medicina.com |
 flower color: purple imagecache5.art.com |
 flower color: burgundy www.sarahraven.com |
 flower color: pink home.earthlink.net |
 flower color: lilac www.seedsite.eu |
 flower color: white www.crocus.co.uk |
Knapweed, Star Thistle, Cornflower characteristics
| plant height (cm) | 30-70 cm |
|---|---|
| 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 |
|---|---|
| water needs | moderate |
| soil acidity | alkaline soil, neutral soil |
| method of cultivation | non seedlings |
Centaurea planting
| sun exposure | full sun |
|---|---|
| landscape use | flowerbed, specimen, border |
Knapweed, Star Thistle, Cornflower (Centaurea) care
| cold hardiness zone | no data |
|---|---|
| frost resistance | frost resistance |
| shelter in winter | shelter is not required |
*Some characteristics are relevant for a temperate climate
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> Yellow Hardhead, Bighead Knapweed, Giant Knapweed, Armenian Basketflower, Lemon Fluff Knapweed |
>> Persian Cornflower, Knapweed |
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Knapweed, Star Thistle, Cornflower, Centaurea photo, characteristics and planting, care and growing.
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