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Herbaceous Perennial Flower,
Wildflower
Also known as Black Snakeroot, Bugbane
Cimicifuga racemosa
Ranunculaceae Family
Wispy plumes of tiny, star-like white flowers tower up to 8 feet tall over fern-like, dark-green foliage. This native to the eastern U.S. brings height to moist, partly shady sites.
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Site Characteristics
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Sunlight:
Soil conditions:
- requires acid soil
- requires damp soil
- requires high fertility
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Tolerates poor drainage
Prefers moist, acidic, rich soil. Without proper soil and light, plants remain stunted and may not flower.
Hardiness zones:
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Plant Traits
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Lifecycle:
perennial
Ease-of-care:
easy
Height:
5 to 8 feet
Spread:
2 to 4 feet
Bloom time:
Flower color:
white
Foliage color:
dark green
Foliage texture:
medium
Shape:
- cushion, mound or clump
- upright
Forms clumps of fern-like foliage followed by upright flower spikes.
Shape in flower:
flower stalks with upright spikes
Very tiny blooms create a big effect clustered along stems which may be either erect or arching.
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Special Considerations
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Special characteristics:
- deer resistant
- non-aggressive
- non-invasive
- native to North America
- Native to eastern North America
- fragrant
- Blooms have an unpleasant odor.
- bears ornamental fruit
- The seedpods are attractive in arrangments or as winter interest in the garden.
Special uses:
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wildflowers
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bog garden - Suitable for margins
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naturalistic garden
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Growing Information
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How to plant:
Propagate by
seed,
division or separation
- Divide carefully in spring or fall, but no sooner than 3 years after planting. Division is difficult due to tough, snake-like, roots. Division is rarely needed, as clumps can remain undisturbed indefinitely. Sow seeds in containers in fall in cold frame for germination the following spring.
Maintenance and care:
Protect from direct sun and keep soil moist to prevent foliage from burning.Flower stalks may require staking. Leave seedheads on plants for fall and winter interest. Cut back in spring. Plants are slow-growing and seldom require division. Divide carefully in spring or fall.
More growing information: How to Grow Perennials
Pests:
Tarnished plant bugs
Diseases:
Rust Leaf spots
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Varieties
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var. cordifolia (C. cordifolia, C. rubifolia) grows just 5 feet tall and has heart-shaped leaflets.A related species, C. ramosa ‘Atropurpurea’ grows 6 to 7 feet tall with many flower stalks and dark purple foliage.
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