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Perennial Cornflower
| Type Sowing Temp Cover Seed Advice |
Perennial 15-20°C Yes lightly cover vermiculite Germination 4-12 weeks Sow Jan - March for flowering June-July Sow late Autumn (protect winter) flowers June July |
| Centaurea Dealbata
80cm 1st Year Flowering Perennial Centaurea dealbata. Perennial Persian cornflower first year flowering and easy to grow, clear rose-pink flowers an excellent garden plant and cut flower, bushy, branched plants. Flowers June, July, sow late winter or autumn (to overwinter) indoors.
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| Centaurea
Golden
Yellow Centaurea. macrocephela A hardy perennial flowering July to August , golden yellow globe-like flowers, broad and vigorous habit, ideal for dried flower use. pkt approx 60 seeds |
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Annual Cornflowers
| Type Sowing Temp Cover Seed Advice |
annual 15-20°C Yes average layer vermiculite Germination 1 week Sow Feb-Apr for flowering June-Sept |
| Centaurea
The Bride
Up to 100cm Centaurea moschata Largest of all, beautiful pure white scented flowers on tall unbranched stems, dyes well. Flowers from July to October
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| Centaurea
Black
Ball 75cm Striking deep mauve flowers are produced in clusters on contrasting green stems. A striking focal point in any border. Ideal for cut flowers, bedding and borders. Sow March to May and mid August to September. Flowers from June to the first frosts.
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| Centaurea
Polka
Dot Mixed
30-40cm A dwarf double flowering, bushy yet compact habit. In a mix of several colours.
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The cultural information should be used as a guide only, I have found a number of different sowing techniques for the same seed from different sources there does not seem to be a standard. With this in mind you should use this website as a guide only, you probably already have a tried and tested way of sowing different seeds. As a rule of thumb the larger the seed size the more cover it requires, and fine seed like Lobelia, Begonia etc requires no cover.
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