Mountain Bluet
Centaurea montana
flowerA robust, clump-forming perennial with striking blue-purple flowers (sometimes pink or white) blooming from late spring through summer. Reaching 45–60 cm tall, it is extremely hardy, drought-tolerant, and low-maintenance. Excellent for borders and meadow gardens, it attracts pollinators and tolerates poor soil.
Common Problems
Select the problem your Mountain Bluet is experiencing to get a treatment guide.
Care Guide
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Light
Full sun (6+ hours daily); tolerates partial shade but flowers less freely
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Water
Moderate; water regularly during establishment, then drought-tolerant. Allow soil to dry between waterings.
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Soil
Well-draining, neutral to slightly alkaline soil. Very tolerant of poor, sandy, or gravelly soils.
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Fertiliser
Minimal fertilizer required; avoid heavy feeding
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Temperature
Hardy in cold; tolerates heat; prefers cooler climates
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Humidity
Low to moderate humidity; good air circulation is beneficial
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Non-toxic
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.