Bachelor's Button
Centaurea cyanus
flowerBachelor's Button is a charming hardy annual with distinctive thistle-like flowers in blue, pink, purple, and white. Highly adaptable and easy to grow, it self-seeds readily and attracts pollinators. The flowers are excellent for cutting and last well in arrangements.
Common Problems
Select the problem your Bachelor's Button is experiencing to get a treatment guide.
Care Guide
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Light
Full sun (6–8 hours daily); performs best with abundant sunlight. Tolerates partial shade but flowers less prolifically.
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Water
Water moderately; drought-tolerant once established. Allow soil to dry between waterings. Reduce watering in cool, wet weather.
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Soil
Tolerates a wide range of soil types including poor, sandy, or clayey soils. Well-draining soil preferred; pH 6.0–8.0.
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Fertiliser
Minimal fertilizer needed; avoid over-fertilizing as it promotes foliage growth over flowers. Light feeding optional.
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Temperature
Cool-season annual; prefers 60–70°F (15–21°C). Tolerates frost; may decline in intense heat.
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Humidity
Low to moderate humidity; prefers drier conditions. Good air circulation helps prevent fungal diseases.
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Bachelor's Button is non-toxic to cats, dogs, and children.
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.