Cornflower 'Black Magic'

Centaurea cyanus

How to grow Cornflower 'Black Magic'

  • Partial Sun

  • Medium

Try to plant in a location that enjoys partial sun and remember to water moderately. Keep in mind when planting that Black Magic is thought of as half hardy, so protect with a row cover whenever the temperatures drop.

Growing Black Magic from seed

Try to aim for a seed spacing of at least 0.98 inches (2.5 cm) and sow at a depth of around 0.23 inches (0.6 cm).

By our calculations, you should look at sowing Black Magic about 7 days after your last frost date.

Transplanting Black Magic

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Black Magic is a half hardy plant.

Harvesting Black Magic