How to grow Cornflower

Centaurea cyanus

Seed viability is two years.

These estimates for how long Cornflower takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Days to Germination How long does it take Cornflower to germinate?: 11 days
Average 11 days | Min 2 days | Max 28 days (47)
Days to Transplant How long until I can plant out Cornflower?: + 41 days
Average 41 days | Min 16 days | Max 76 days (14)
Days to Maturity How long until Cornflower is ready for harvest / bloom?: + 58 days
Average 58 days | Min 56 days | Max 61 days (3)
Total Growing Days How long does it take to grow Cornflower?: = 110 days

Our when to plant Cornflower estimates are relative to your last frost date.

When to sow The number of days to sow Cornflower before or after your last frost date.: 7 days after Last Frost Date

Native of Europe it has become naturalized in the US.²

Bachelor's button, Basket flower, Bluebottle, Boutonniere flower, Hurtsickle, Bachelor button, cyani flower, hurtcickle, Pennington wildflower mix

Centaurea cyanus L.

Misspellings: Bachelors Button