Centaurea macrocephala growing herbaceous of the genus Centaurea also known as Giant knapweed, Centaurea macrocephala perennial evergreen used as ornamental plant, can grow in mediterranean, subtropics or temperate climate and growing in hardiness zone 4-10.

Leaves color green in elliptic shape.

Centaurea macrocephala flower

Flower color yellow, petals like little horns base that divide several needle shape, the petals “sit” on green “ball” with spines on it.

Centaurea macrocephala for sale – Seeds or Plants to Buy

Requirements for Centaurea macrocephala growing and care:

Drained soil, moist soil, cool winter

What is the best way to start growing?
Plant / Seedling / Seed

Is it necessary to graft or use vegetative reproduction?
No

Difficulties or problems when growing:
Spines on the flowers

Recommended planting season?
Spring, summer, autumn

Pests and diseases:
Powdery mildew, aphids

Pruning season:
Winter

How to prune:
Prune dead leaves and flowers

Size of the plant?
30-90 cm (12-36 inches)

Growth speed in optimal condition:
Medium growing

Water requirement:
Small amount of water

Light conditions in optimal condition for growing:
Full Sun

Is it possible to grow as houseplant?
No

Growing is also possible in a planter /flowerpot / containers:
Yes

Blooming information

Bloom season:
Spring / Summer

General information about the flower
Yellow flowers petals like little horns base that divide several needle shape, the petals “sit” on green “ball” with spines on it.

Scientific name:

Centaurea macrocephala

Flower Colors

Plant life-form

Hardiness zone