Unwins Cornflower ‘Blue Diadem’ Seeds (200 Seeds)

Add vivid summer colour to borders and wildflower patches with Unwins Cornflower ‘Blue Diadem’. This easy-to-grow variety produces stunning intense blue, double flowers with lots of petals, creating a soft powder-puff effect that looks beautiful both in the garden and in the vase.

Quick to establish and long flowering, ‘Blue Diadem’ provides weeks of blooms that are ideal for cutting, making it perfect for mixed bouquets. Loved by pollinators, it’s also a brilliant choice for wildlife-friendly gardens and looks especially effective when combined with other meadow favourites such as poppies and corncockles.

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Key Features

• Intense vivid blue double flowers

• Lots of petals create a blue “powder-puff” look

• Long flowering period with blooms for many weeks

• Excellent for cut flowers and bouquets

• Easy and quick to grow

• Loved by bees and other pollinators

• Looks stunning in wildflower mixes with poppies and corncockles

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Sowing & Flowering

Sowing Time: March – October
Flowering Time: June – September
Sow to Germination: 2–3 weeks
Sow to Flower: Approx. 3 months

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Technical Specification

• SKU: 30210546

• Pack Quantity: 200 seeds

• Colour: Blue

• Plant Height: 75cm

• Spread: 30cm

• Sowing Depth: 5mm

• Time to Germination: 2–3 weeks

• Time to Flower: 3 months

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Why choose Kean’s Claremorris

• Trusted local store with knowledgeable staff

• Quality seed varieties selected for Irish gardens

• Great seasonal selection for wildflower planting, pollinator-friendly gardens, and cut flowers