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.
Average 11 days | Min 2 days | Max 28 days (47)
Average 41 days | Min 16 days | Max 76 days (14)
Average 58 days | Min 56 days | Max 61 days (3)
Our when to plant Cornflower estimates are relative to your 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