Osmunda cinnamomea – Cinnamon Fern
Cinnamon Fern is an impressive native perennial fern prized for its tall, graceful fronds and striking cinnamon-brown fertile spikes that appear in spring. Its bright green, arching sterile fronds create a lush backdrop in shaded landscapes, adding texture and a woodland charm.
Thriving in consistently moist, acidic soils, this hardy fern is perfect for shaded borders, woodland gardens, or naturalizing near ponds and streams. It is deer-resistant, low-maintenance, and returns reliably each year in zones 3–9.
- Tall, bright green fronds with cinnamon-brown fertile spikes
- Perfect for shaded, moist areas
- Deer-resistant and hardy
- Native perennial fern
- Mature Size: 24–48 inches tall, 24–36 inches wide
- Ideal for woodland gardens and water features
Tip: Keep soil consistently moist for best growth and lush foliage.
Growing Zones: 3–9 outdoors (perennial)
| Mature Height: | 24–48 inches |
| Mature Width: | 24–36 inches |
| Sunlight: | Partial to Full Shade |
| Botanical Name: | Osmunda cinnamomea |
| Growth Rate: | Moderate |
| Foliage Color: | Bright green (fertile fronds cinnamon-brown) |
| Type: | Deciduous Perennial Fern |
FAQ's
Why is it called Cinnamon Fern?
It is named for the distinctive cinnamon-colored fertile fronds that rise in the center in spring.
Does Cinnamon Fern stay green all year?
No, it is deciduous and will die back in winter, returning in spring.
Can it grow in full sun?
It prefers shade, but can tolerate morning sun if soil is kept moist.
Is it deer-resistant?
Yes, deer typically avoid Cinnamon Fern.
Does it need special soil?
It thrives in acidic, rich, consistently moist soils.
