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Cornflower Centaurea Black Ball

Hardy annual with  dark purple-black double flowers produced throughout summer, good for cutting. Cornflowers were common meadow weeds in Britain before the 1920s, but sadly have been reduced greatly with modern farming practices. Sunny position. Good for attracting butterflies and bees. Ht : 60cm (24")
Sow directly from March to April. Sow thinly, 3mm (1/8in) deep in drills 30cm (12in) apart. When large enough to handle, thin out seedlings to 15cm (6in) apart. Can also be sown from August to September for early summer flowering next year. Sow in pots or trays of moist seed compost and cover with a very fine sprinkling of compost or vermiculite. Keep at between 15-20C (59-68F). Germination will usually take 14-21 days
When large enough to handle, transplant seedlings into 7.5cm (3in) pots. Overwinter plants in frost-free conditions before planting out the following spring.

Centaurea Black Ball

Price for 30 seeds: 1.50 - Sold out