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blue boy seeds

The plants grew very well (but there were problems with the delivery: not according to the instructions given when placing the order).

Centaurea cyanus ‘Blue Boy’

300 seeds 020008 £1.95 In stock
5 seedlings, for spring/summer planting 510733-5 £6.25 Delivery m > [?] 10 seedlings, for spring/summer planting 510733-10 £10.95 Delivery m > [?]

More Details

Centaurea cyanus ‘Blue Boy’ is a large-flowered cornflower in classic bright blue. This wonderfully coloured bloom will continue for 2-3 months in the summer.

This is one of the prettiest wild flowers, and it used to populate entire fields with its incredible hue. Its juice even used to be extracted and mixed with alum to make a watercolour.

No cottage garden is complete without cornflowers; loved by pollinators and brilliant as cut flowers. We use lots of them to make table runners and napkin rings for wedding and party flowers, as they last brilliantly out of water.

Genus Centaurea
Group/Species cyanus
Variety Blue Boy
Type Hardy Annual
Common Name Cornflower
Border Position Middle
Soil Type Chalky, Neutral, Sandy
Scent Unscented
Site Full Sun, Shelter
Moisture Moist but Well-drained, Well-drained
Height 90cm (36in), or if autumn-sown 1-1.2m (39-47in)
Spacing 30-40cm (12-16in), 45cm (18in) if autumn sown
Sowing, Seeds, Planting Sow in mid spring and/or late summer for larger, earlier flowers the following year.
Care Tips Deadhead to encourage further flowering. Needs staking.
Flowering June – August, 10-12 weeks from spring sowing
Vase Life 5-7 days. Dries well.
Harvesting Flower production: 2-3 months. This is a cut-and-come-again variety.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Sow Under Cover/Plant Indoors
Advice
Sowing flowers in late summer

Sarah shows how to sow flowers in late summer for more beautiful plants next spring.