Wildflower Archive

woodland fern

Male fern

Dryopteris filix-mas

Male fern (Dryopteris filix-mas)
Dryopteris filix mas nf

Native to much of the USA and southern Canada

Circumboreal, southern in America to Vermont, Michigan and irregularly through the Rockies and western mountains (including one disjunct station in southern California)

  • Light Partial shade Sun tolerance
  • Moisture Moist Moisture preference
  • Zones 3–9 Cold to heat range
  • Bloom Flowering time
  • Height up to 4 ft to 1.2 m
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland fern for partial shade and evenly moist soil. At up to 4 ft, it suits shade gardens and woodland edges. Hardy in USDA zones 3–9.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Hardiness zones

Find your zone:

Pollinators & wildlife

  • Beetles Asian Lady Beetle

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
Much of the USA and southern CanadaUnited States (20): AZ, CA, CO, ID, ME, MI, MT, NH, NM, NV, NY, OK, OR, SD, TX, UT, VT, WA, WI, WY. Canada (4): NB, NL, NS, ON. Where it grows wild on its own, by state and province.
Native distribution
Circumboreal, southern in America to Vermont, Michigan and irregularly through the Rockies and western mountains (including one disjunct station in southern California)The same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Partial shadeHow much sun it takes, from full sun to full shade.
Moisture
MoistThe soil dampness it prefers, from dry to wet.
Hardiness zones
USDA 3–9 · Canadian 1–9The cold-to-heat climate range it survives.
Soil
Moist, rocky soilsThe soils it grows in naturally.
Soil texture
Light to heavy (sandy to clay)The soil grade it prefers, from sand to clay.
Soil pH
Acid to neutralThe acidity to alkalinity it tolerates (7 is neutral).
Soil quality
Low (tolerates poor soil)How rich a soil it needs. Many natives prefer lean soil and flop in rich beds.

Growth & form

Height
up to 4 ft (to 1.2 m)Typical mature height.
Spread
~3 ft (1 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
ModerateA 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.