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Snapdragon

Antirrhinum majus

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Snapdragons are tall, dramatic flowering plants with spiky blooms in vibrant colors that open and close like a dragon's mouth when gently squeezed. They bloom prolifically from spring through fall and are excellent for cutting gardens and borders. These cool-season lovers perform best in temperate climates and can be grown as annuals or short-lived perennials.

Snapdragon

Common Problems

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

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Leggy Growthchevron_right
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Wiltingchevron_right
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Yellow Leaveschevron_right
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Brown Spotschevron_right

Care Guide

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Light
Full sun to partial shade; 6+ hours of direct sunlight daily for best blooming
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Water
Keep soil consistently moist but not waterlogged; water at the base to prevent fungal issues
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Soil
Well-draining, fertile soil with pH 6.0–7.5; amend with compost before planting
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Fertiliser
Feed every 2–3 weeks with balanced fertilizer; reduce nitrogen to encourage flowering
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Temperature
Prefer cool conditions (60–75°F); heat stress causes early flowering and decline
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Humidity
Moderate humidity; ensure good air circulation to prevent fungal diseases

Toxicity

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Generally non-toxic; however, seeds in large quantities may cause mild digestive upset

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.

Snapdragon Care Guide — Antirrhinum majus | GreenScout