'Blue Boy' is a Cornflower variety in the Centaurea genus with a scientific name of Centaurea cyanus. Blue Boy is a (open pollinated) variety. Blooms appear in these approximate colours: Medium purple and Cerulean blue and Pigment blue. The mature flowers are of a Double form. Leaves appear approximately as a Dollar bill colour.
Grown for its fragrant, doubled flowers, which are very attractive to bees. It will naturalize if you allow it to drop seeds.This variety is an Flower that typically grows as an Annual, which is defined as a plant that matures and completes its lifecycle over the course of a single year. Blue Boy normally grows to a mature height of 90.0 cm (that's 2.93 feet imperial). This variety tends to bloom in late spring.
Blue Boy Cornflower is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!
This plant info is provided by the myfolia gardener's wiki. All details about Cornflower 'Blue Boy' have been kindly provided by our members.
How to grow Cornflower 'Blue Boy'
Growing Blue Boy from seed
By our calculations, you should look at sowing Blue Boy about 7 days after your last frost date.
Transplanting Blue Boy
Harvesting Blue Boy
Cornflower 'Blue Boy' information
How long does Blue Boy take to grow?
These estimates for how long Cornflower 'Blue Boy' takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!
When should I sow Blue Boy?
Folia's when to plant Cornflower 'Blue Boy' estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!