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Larkspur

Consolida ajacis

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Larkspurs are elegant tall flowers with spiky blue, pink, or purple blooms that grow upright and are prized for fresh and dried arrangements. They prefer cool spring weather and often re-seed themselves for the following year. These frost-hardy annuals have a sophisticated appearance and pair well with other cottage garden flowers.

Larkspur

Common Problems

Select the problem your Larkspur 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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Powdery Mildewchevron_right

Care Guide

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Light
Full sun to light shade; prefers 6+ hours of sunlight daily
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Water
Keep soil evenly moist during growing season; reduce water once established
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Soil
Well-draining, moderately fertile soil with pH 6.0–7.0
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Fertiliser
Light feeding every 4–6 weeks with balanced fertilizer; avoid excessive nitrogen
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Temperature
Cool-season lover; prefers 55–70°F; tolerates light frost
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Humidity
Moderate humidity; ensure good air circulation to prevent mildew

Toxicity

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All parts are toxic; contains ranunculin and other alkaloids; ingestion causes gastrointestinal upset and potentially serious toxicity

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.