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Mountain Cornflower

Centaurea montana, Asteraceae

Zones
3–8
Lifespan
Perennial
Growth
Moderate

Growing Conditions

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Cupids DartCatananche caerulea
Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Emmer WheatTriticum dicoccum

Emmer wheat produces compounds that suppress broadleaf plants including mountain cornflower

RiceOryza sativa

Rice produces allelochemicals that suppress dicot weeds and ornamentals including centaureas

Red DahliaDahlia coccinea

Potential root competition and possible allelopathic interactions in dense plantings, especially in water-limited Mediterranean conditions

Common Questions

What zones does Mountain Cornflower grow in?

Mountain Cornflower grows in USDA hardiness zones 3 through 8.

What are good companion plants for Mountain Cornflower?

Good companions for Mountain Cornflower include Cupids Dart.

Design guilds with Mountain Cornflower and see companion relationships visually.

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