Growing guide · Perennials

Centaurea montana

How to grow Perennial Cornflower 'Amethyst in Snow'.

Spidery white petals, purple heart.

Light
Full sun, part sun
Water
Low
Zones
3–8
Size
12–24 in. tall, 8–15 in. wide
Spacing
12–18 in. apart.
Pets
Not on the ASPCA pet-safe list; keep it out of reach
See sizes · from $30.99
Spidery white cornflower blooms with deep purple centers above silvery green leaves

Light

Full sun; part shade in hot areas.

Water

Water to establish; drought tolerant after.

Planting and soil

Plant spring or early fall, crown at soil level.

Feeding

None. Rich soil makes it floppy.

Pruning

Cut back hard after the first bloom for a tidy plant and some rebloom.

Through the year

Blooms May into June, lighter rebloom later.

If something's off

Spreads by runners and can self-seed; deadhead to keep it in its spot.

Plays well with

Plant it with friends.

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Why we stock it: Unusual, eye-catching flowers from a plant that asks for very little.

That's everything we know about growing it. Thanks for reading.

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