Sweet Fern
Comptonia peregrina
Last reviewed: June 2026
Comptonia peregrina (Sweet Fern) is a fragrant native shrub found throughout eastern North America that blooms in late spring and thrives in poor, dry soils with minimal care.
The USDA PLANTS Database (opens in new tab) does not flag Sweet Fern as toxic to livestock.
Light
part sun
Water
low
Size
24"–48" H × 24"–48" W
Bloom
May, Jun
Native to
CT, DE, GA, IL and 20 more states
Pollinators
bees, moths
Sweet fern is a low-growing native shrub with fragrant, fern-like foliage that thrives in poor soils and dry conditions. This hardy plant spreads by underground runners to form attractive colonies and produces inconspicuous flowers in late spring. Despite its name, it's actually a shrub rather than a true fern.
Growing Sweet Fern
Grow Sweet Fern in part sun and low water. Mature plants reach 24 to 48 inches tall and spread 24 to 48 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Sweet Fern takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Spreads aggressively and can look unruly
- Very informal appearance doesn't suit formal landscapes
- May be mistaken for weeds by neighbors
Wildlife value
Host plant for grouse wing moth.
Sweet fern supports native bees and moths during its bloom period in May and June. The dense growth provides shelter for small wildlife and the aromatic leaves have historically been used by Native Americans for medicinal purposes.
Common questions
- When does Sweet Fern bloom?
- Sweet Fern blooms during May and June, producing small, inconspicuous flowers that are wind-pollinated.
- What pollinators visit Comptonia peregrina?
- Sweet Fern attracts various bees and moths, though it is primarily wind-pollinated due to its small, catkin-like flowers.
- Where is Sweet Fern native?
- Sweet Fern is native to 25 states across eastern North America, from Maine to Georgia and west to Minnesota and Illinois, typically growing in sandy, acidic soils.
- What growing conditions does Sweet Fern prefer?
- Sweet Fern thrives in well-drained, sandy or rocky soils and tolerates drought conditions once established. It grows well in full sun to partial shade.
- Is Sweet Fern toxic to livestock?
- The USDA PLANTS Database does not flag Sweet Fern as toxic to livestock.
- Is Sweet Fern HOA-friendly?
- Sweet Fern takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Sweet Fern? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz