woodland fern
Northern oak fern
Gymnocarpium dryopteris
1 of 2Native to much of the USA and southern Canada
Circumboreal, south to upland Virginia, Iowa, New Mexico, Arizona and Oregon
- Light Full sun to shade Sun tolerance
- Moisture Moist Moisture preference
- Zones 1–8 Cold to heat range
- Bloom Flowering time
- Height up to 16 in to 41 cm
- Life cycle Perennial Annual to perennial
In the garden
A woodland fern for sun through shade and evenly moist soil. At up to 16 in, it tucks into shade gardens and woodland edges. Hardy in USDA zones 1–8.
Growing conditions
Hardiness zones
Full plant details
Where it grows
- Habitat
- WoodlandThe wild plant community it grows in.
- Native range
- Much of the USA and southern CanadaUnited States (29): AK, AZ, CO, CT, IA, ID, IL, MA, MD, ME, MI, MN, MT, ND, NH, NJ, NM, NY, OH, OR, PA, RI, SD, UT, VT, WA, WI, WV, WY. Canada (6): BC, NB, NL, NS, ON, PE. Where it grows wild on its own, by state and province.
- Native distribution
- Circumboreal, south to upland Virginia, Iowa, New Mexico, Arizona and OregonThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.
Growing conditions
- Light
- Full sun to shadeHow much sun it takes, from full sun to full shade.
- Moisture
- MoistThe soil dampness it prefers, from dry to wet.
- Hardiness zones
- USDA 1–8 · Canadian 0–8The cold-to-heat climate range it survives.
- Soil
- Moist, rich soilsThe soils it grows in naturally.
- Soil texture
- Light to medium (sandy to loamy)The soil grade it prefers, from sand to clay.
- Soil pH
- Mildly acid to mildly alkalineThe acidity to alkalinity it tolerates (7 is neutral).
Growth & form
- Height
- up to 16 in (to 41 cm)Typical mature height.
- Spread
- ~1 ft (0.3 m)How wide one plant gets, a guide to spacing.
- Life cycle
- PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).
- Growth rate
- SlowA relative ranking versus other plants of the same type (USDA), not an absolute rate.
Flowers, foliage & fruit
- Type
- FernWhat kind of plant it is.
- Flower color
- Not ApplicableThe bloom color, or colors.
- Toxicity
- None knownWhether any part is poisonous to people or pets.