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Photo of Mountain Bluet; Cornflower ‘Grandiflora’ coming soon

Mountain Bluet; Cornflower ‘Grandiflora’

Centaurea 'Grandiflora' · See all Centaurea

Mountain Bluet; Cornflower ‘Grandiflora’ is a full-sun to part-sun, deer-resistant, drought-tolerant perennial hardy to zone 3; we sell it in 1-gallon pots for $11.99 at both stores.

Height & spread16–18 in tall, 12–18 in wide
SunFull sun, Part sun
Soil moistureAverage
HardinessUSDA zones 3–8
Bloom seasonSpring, Summer
Flower colorBlue violet
AttractsPollinators, Butterflies, Hummingbirds
Pot sizePrice
1GAL$11.99

Call South Portland or Westbrook to check availability.

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Availability may change and prices are subject to change.

About this plant

Grandiflora Mountain Bluet is a compact perennial that grows best in full to part sun with well-drained soil of average fertility. Large deep blue-violet flowers up to 3 inches across appear from late spring through summer above lance-shaped green foliage. This easy-to-grow selection stays tidy at 16 to 18 inches tall and makes an excellent choice for front-of-border plantings. Cut flowers freely for indoor arrangements and deadhead to encourage continuous blooming throughout the season.

Good for

Questions about Grandiflora mountain bluet; cornflower

Is Grandiflora mountain bluet; cornflower deer resistant?

Yes. Grandiflora mountain bluet; cornflower is rarely bothered by deer, which makes it a good choice for Maine gardens with deer pressure.

How much sun does Grandiflora mountain bluet; cornflower need?

Grandiflora mountain bluet; cornflower grows best in full sun to part sun.

Is Grandiflora mountain bluet; cornflower hardy in Maine?

Yes. It’s hardy to USDA zone 3, and Greater Portland is zone 5b–6a, so it comes back reliably each year.

How tall does Grandiflora mountain bluet; cornflower get?

Grandiflora mountain bluet; cornflower grows 16–18 in tall and 12–18 in wide.

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  • Deer resistant
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