Centaurea americana grow and care – herbaceous of the genus Centaurea also known as American starthistle, Centaurea americana annual used as ornamental plant, can grow in mediterranean, subtropics or temperate climate and growing in hardiness zone 4-11.

Leaves color green in lanceolate shape.

Centaurea americana flower

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

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How to grow Centaurea americana 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, invasive

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?
40-140 cm (16-56 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 indoor as houseplant?
No

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

Blooming information

Bloom season:
Spring / Summer

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

Scientific name:

Centaurea americana

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