Longstyle Sweetroot

(Osmorhiza longistylis)

Longstyle Sweetroot (Osmorhiza longistylis)

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Estimated Native Range
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Summary

Osmorhiza longistylis, commonly known as Longstyle Sweetroot, is a deciduous perennial herb native to the understory of deciduous forests, particularly those with rich, moist soils in the Central and Eastern USA and Canada. It typically grows to a height and width of 2-3 feet (0.6-0.9 meters), featuring compound leaves that give it a delicate, feathery appearance. The plant produces small, white flowers in umbels during late spring to early summer, which are modest in showiness but can add a subtle charm to woodland gardens. The foliage, when crushed, emits a pleasant anise scent, which can be a delightful sensory addition to the garden.

Longstyle Sweetroot is valued for its naturalistic appeal in shade gardens and woodland settings. It is used for border planting, as a ground cover, and in naturalized areas where its anise-scented foliage can be appreciated. This plant is relatively low-maintenance, preferring part shade to full shade conditions, and it thrives in well-drained, humus-rich soils. While it requires medium amounts of water, it is somewhat drought-tolerant once established. Gardeners should be aware that it does not respond well to intense disturbance or competition from more aggressive plants.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 2-3 feet
  • Width: 2-3 feet
  • Growth Rate: Moderate
  • Flower Color: White
  • Flowering Season: Spring, Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium
  • Drainage: Slow, Medium, Fast

Common Uses

Butterfly Garden, Edible*Disclaimer: Easyscape's listed plant edibility is for informational use. Always verify the safety and proper identification of any plant before consumption., Low Maintenance

Natural Habitat

Understory of deciduous forests, particularly those with rich, moist soils

Other Names

Common Names: Anise-Root, Long-Style Sweet Cicely, Long-Style Sweetroot, Smooth Sweet Cicely, Osmorhize À Long Style, Aniseroot

Scientific Names: , Osmorhiza longistylis, Osmorhiza longistylis var. villicaulis, Osmorhiza longistylis var. brachycoma, Osmorhiza longistylis var. longistylis, Washingtonia longistylis, Osmorhiza longistylis var. imbarbata, Osmorhiza aristata var. longistylis, Osmorhiza cordata, Osmorhiza villicaulis

GBIF Accepted Name: Osmorhiza longistylis (Torr.) DC.