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Plume Poppy

Macleaya cordata

outdoor

Macleaya cordata is a tall, dramatic perennial reaching 6–8 feet with distinctive lobed glaucous-blue foliage and feathery panicles of buff-white or coral flowers in summer. This bold architectural plant creates striking vertical interest and sculptural appeal in large garden borders. Its invasive rhizomatous root system requires careful placement and containment to prevent it from dominating neighboring plantings.

Plume Poppy

Common Problems

Select the problem your Plume Poppy 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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Brown Spotschevron_right
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Wiltingchevron_right

Care Guide

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Light
Full sun to partial shade; tolerates partial shade but flowers more profusely in full sun
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Water
Moderate water requirements once established; tolerates some drought but performs best with consistent moisture
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Soil
Well-draining, fertile soil; adaptable to various soil types including sandy, loamy, and clay soils
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Fertiliser
Light feeding in spring; excessive fertilizer promotes excessive vegetative growth
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Temperature
Hardy perennial tolerating cold winters; prefers cool to moderate climates
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Humidity
Moderate humidity suitable; no special humidity requirements

Toxicity

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Mildly toxic; contains alkaloids that can cause gastrointestinal upset if ingested; skin contact may cause irritation in sensitive individuals

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.

Plume Poppy Care Guide — Macleaya cordata | GreenScout