Macleaya cordata - (Willd.)R.Br.
Common Name Plume Poppy
Family Papaveraceae
USDA hardiness 4-10
Known Hazards The sap is very poisonous[178].
Habitats Grassy places, open meadows and the grassy floors of Cryptomeria plantations[187].
Range E. Asia - E. China, Japan.
Edibility Rating  
Other Uses  
Weed Potential Yes
Medicinal Rating  
Fully Hardy Moist Soil Semi-shade Full sun

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Bloom Color: White. Main Bloom Time: Early summer. Form: Upright or erect.

Macleaya cordata Plume Poppy
Macleaya cordata Plume Poppy
Physical Characteristics
 icon of manicon of flower
Macleaya cordata is a PERENNIAL growing to 2 m (6ft) by 1 m (3ft 3in) at a fast rate.
It is hardy to zone (UK) 3. It is in flower from Jul to August. The flowers are hermaphrodite (have both male and female organs)Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Bocconia cordata. B. yedoensis.

 Cultivated Beds;
Edible Uses
None known
Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Carminative;  Depurative;  Diuretic;  Stings.

The whole plant is analgesic, antioedemic, carminative, depurative and diuretic[218]. The juice from the stems of the leaves is used to treat insect bites[4]. A decoction of the leaves and stems is used in the treatment of ringworm[218]. The poisonous sap is used to counter poisonous sores[218].


Other Uses
Insecticide;  Musical.

The dried hollow stems can be used as whistles[178]. Kills insects and mosquito larvae[147]. The flowers are used to kill maggots whilst the whole plant is used to kill larvae and insects[218].
Cultivation details
Landscape Uses:Border, Massing, Specimen. Requires a well-drained deep soil[1] preferring a sunny sheltered position but tolerating light shade[200]. Easily grown in sun or partial shade[187]. Hardy to about -15°c[187]. A very ornamental plant, it can be grown as an isolated specimen in a lawn[1]. An excellent plant for sub-tropical bedding[1]. Plants have spreading underground rhizomes[187] and can be invasive[200]. Special Features:Attractive foliage, Invasive, Naturalizing.
Seed - we have no information on this species but suggest sowing the seed as soon as it is ripe in a cold frame in the autumn. Stored seed should be sown in the early spring. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division in the dormant season[200]. Basal cuttings in late spring. Harvest the shoots with plenty of underground stem when they are about 8 - 10cm above the ground. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer. Cuttings from the axils of larger leaves in early summer[200]. Root cuttings in the winter[188].
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants


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Botanical References
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Readers comment
Robyne Lile   Thu Apr 9 2009
What is the best way to get rid of this plant as it is invading my vegetable garden thank you Robyne Lile
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Subject : Macleaya cordata  

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