Centaurea dealbata (Cornflower)
Centaurea dealbata is an attractive, clump-forming, lavender-pink cornflower, with the unusual characteristic of being perennial and flowering In the first year. Easy to grow. adding height and interest to borders, as well as making a superb border cut flower.
Height: 80-90cm (32-36in).
First Year Flowering Perennial, flowering in June/July.
|Botanical name||Centaurea dealbata|
|Common name||Perennial cornflower|
|Plant type||Flower Seeds|
|Season of interest||Summer|
|Time to maturity||2 - 5 years|
|Ultimate height||0.6m - 1m|
|Ultimate spread||0.1m - 0.5m|
|Useful/additional information||Sow January-March or September-November. Sow seed on the surface of a good, free-draining, damp, seed or multipurpose compost, then lightly cover the seed with fine grade vermiculite. Place container in a heated propagator, or seal container inside a polythene bag and place at 15-20C (59-68F}. Germination can take 1-3 months. Do not exclude light, as this helps germination. Transplant seedlings when large enough to handle into trays or 7.5cm (3in) pots. Gradually acclimatise plants to cooler conditions for a few weeks before planting out after all risk of frost, 45-6cm (18-24in) apart. Overwinter September sowings in a coldframe and plant out the following spring.|