| 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). | |