Cornflower Seeds - Blue Diadem - 200 Seeds

You can sow seeds directly outdoors from early spring after the last frost. For an earlier start or in milder climates, you can also sow in early autumn.

After germination, thin seedlings to stand approximately 15-20 cm apart to allow ample space for growth and flowering.

Yes, Blue Diadem cornflowers are well-suited for container gardening. Ensure the container has good drainage and is placed in a sunny spot.

Cornflower seeds typically germinate within 7 to 14 days under optimal conditions.

Yes, deadheading spent flowers regularly will encourage the plant to produce more blooms throughout the season.

Absolutely. The intense blue double flowers make beautiful additions to fresh bouquets and floral arrangements.

Cornflowers prefer well-drained soil. They are not overly fussy about soil type but good drainage is key to preventing root rot.

Ensure seeds are sown at the correct depth (1-2 cm) and the soil is kept consistently moist. Check that the location receives adequate sunlight. Use fresh seeds if germination rates are low.

This usually indicates insufficient sunlight. Move containers to a sunnier location or ensure the garden bed receives at least 6 hours of direct sun daily. Thinning seedlings adequately also promotes bushier growth and more flowers.

Regular deadheading encourages the plant to produce more blooms. Ensure consistent watering and adequate nutrients in the soil. Extreme heat can also affect flower size and vibrancy.