Agapanthus

Agapanthus africanus

outdoor

verifiedReviewed by the GreenScout Team

A striking tender perennial producing tall stems topped with large, rounded clusters of blue or white flowers. This sun-loving plant is valued for its architectural form and long blooming period throughout summer. Agapanthus is excellent in borders, containers, and coastal gardens, thriving in warm conditions.

Common Problems

Select the problem your Agapanthus is experiencing to get a treatment guide.

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Yellow Leaveschevron_right

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Slow Growthchevron_right

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Underwateringchevron_right

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Pale Leaveschevron_right

Care Guide

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Light

Full sun required; needs minimum 6-8 hours of direct sunlight daily for optimal flowering

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Water

Moderate water during growing season; reduce significantly in winter dormancy. Allow soil to dry between waterings

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Soil

Well-draining soil is essential; add grit or sand to heavy soils. pH range 6.0-7.5 preferred

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Fertiliser

Apply balanced fertilizer monthly during growing season (spring through summer); discontinue in autumn and winter

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Temperature

Prefers warm conditions 60-75°F (15-24°C); protect from frost; tender in cold regions

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Humidity

Low to moderate humidity; tolerates dry conditions well; good air circulation prevents fungal issues

Toxicity

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Non-toxic to humans and pets

Common Diseases

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Common Pests

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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.

Frequently Asked Questions

Why is my Agapanthus not flowering well?

It needs full sun with a minimum of 6–8 hours of direct sunlight daily for optimal flowering — too much shade is a common reason for disappointing blooms.