Cosmos
Cosmos bipinnatus
flowerCosmos are airy, daisy-like flowers with delicate feathery foliage that grow quickly and bloom prolifically throughout summer and fall. They attract butterflies and pollinators, making them excellent for cottage gardens and meadow plantings. These heat and drought-tolerant annuals thrive in poor soil and require minimal maintenance once established.
Common Problems
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Care Guide
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Light
Full sun; requires 6+ hours of direct sunlight for optimal blooming
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Water
Drought-tolerant once established; water moderately and allow soil to dry between waterings
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Soil
Poor to moderately fertile, well-draining soil; overly rich soil encourages foliage over flowers
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Fertiliser
Minimal fertilization needed; apply low-nitrogen fertilizer once or twice during growing season
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Temperature
Warm-season plant; thrives in 70–85°F; tolerates heat well
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Humidity
Low to moderate humidity; prefers dry conditions and benefits from good air circulation
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
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.