Bachelor’s Buttons Centaurea

$3.48

Bright blue, ruffled,  4-cm (1½”) flowers bloom late spring and well into fall, in the garden or in containers. Grows to 30-90 cm (1-3′). Excellent as cut flowers, as dried flowers or potpourri – and as a colourful addition to any salad. Also known as Blue Cornflower or Mountain Bluet.

Available only as seed. 
Come visit us in our Garden Centre for seeds, plants and materials. Please note that we do not ship plants. Click here for local delivery (Montreal and surrounding area) or shipping options.

22 in stock

Description

Botanical name
Centaurea cyanus

Family
Asteraceae

Spacing
15-30 cm (6-12″) apart

Depth
Mix the seeds with sand for better visibility and scatter the seeds directly on top of the soil. Lightly press the seeds into the soil,

Requirements
Full sun or partial shade, does well in average, well-drained soils

Germination
Seeds will sprout in 7-14 days.

Pests
White mold, rust, downy and powdery mildew, thread blight, and Southern blight can occur.

Timing
Sow directly in the garden as soon as possible after the last frost date in your area, or sow indoors 4-6 weeks before planting them in the garden. Successive plantings will prolong blooming period.

Growing
Pinch the growing tips to allow the plant to branch out. Pluck dry or dead flowers off before they seed.

Harvest
80-95 days

Season
Cool, annual