Scientific Name: Macleaya cordata
Common Name: plume poppy
Family Name: Papaveraceae
Origin: S.E. Asia / Japan / China
Hardiness Zone: Zone 3: (-40 to -34 °C)
Plant Type: Herbaceous perennial
Mature Size: 2 - 3m x 2 - 3m (height x width)
Habit: Open, Spreading, Upright
Form: Oval - vertical
Texture: Very coarse
Landscape Uses: Accent plant, Cut flower or foliage, Fall interest, Filler, Group or mass planting, Mixed shrub border, Perennial border, Screening, Specimen plant, Tall background
Exposure: Full sun, Part sun/part shade
Soil or Media: Rocky or gravelly or dry, Well-drained
Leaves: Lobed, Alternate, Heavily veined, Pinnate venation, Pubescent, Orbicular, Ovate, Dentate, Pinnately lobed
Flowers: Panicle, White, Jul-Aug
Fruit: Capsule, Brown, Sep-Oct
Key ID Features:
Leaves rounded, lobed (commonly 7 or 9 main lobes each with rounded teeth), grayish-green, most 15-40cm long x 12-30cm wide; panicles 30-60 long above foliage, florets yellowish in bud, creamy-white when open, 24-30 long stamens; capsules 15-20mm long (may appear achene-like and 5-10mm long before opening).