How to Grow New England Fern
Wikimedia Commons
New England Fern
Polystichum acrostichoides
fernNew England fern, commonly known as Christmas fern, is a native North American evergreen fern with leathery, dark green fronds that remain vibrant year-round. It thrives in shaded woodland environments and is prized for its ornamental foliage and resilience in temperate climates. This low-maintenance fern is ideal for naturalized gardens and shaded borders.
When should you plant New England Fern in your zone?
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Example New England Fern timeline · Pittsburgh, PA (Zone 6b)
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Plant New England Fern
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest New England Fern
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact New England Fern dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-8, with excellent cold hardiness
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Spore/Juvenile
Several months to 1 yearTiny gametophytes develop from spores in moist conditions; very delicate and microscopic
Keep spore beds constantly moist with high humidity. Not typically grown this way by home gardeners.
Young Fiddlehead
2-4 weeksTightly coiled young fronds (fiddleheads) emerge from the crown in spring
Ensure consistent moisture and protect from direct sun. Provide shelter from harsh winds.
Mature/Evergreen
6+ months per yearPlant reaches full size with multiple fronds in rosette formation; evergreen foliage persists year-round
Water during extended dry spells. Remove any damaged or diseased fronds. Fern is fully hardy and requires minimal care.
Reproduction
Summer through fallFertile fronds develop brown sori (spore clusters) on undersides of pinnae, typically in summer through fall
Do not remove sori-bearing fronds if you want spore spread. Keep humidity moderate to aid spore release.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil; rarely serious on ferns. Remove heavily infested fronds.
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Prune affected fronds; treat with horticultural oil if infestation persists.
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Increase humidity, spray foliage with water. Use miticide if severe. Rarely problematic in shaded locations.
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and
Remove debris and leaf litter to reduce hiding spots. Use slug baits or hand-pick in evening. Encourage ground beetles.
Uses
Ornamental foliage for floral arrangements
HouseholdThe evergreen fronds are prized for holiday and wedding arrangements, providing lasting green structure and texture. Fresh-cut fronds remain attractive for 2-3 weeks in water. [source]
Wildlife habitat and food source
WildlifeProvides shelter for insects, slugs, and small woodland animals. Fronds offer nesting material for birds. The fern ecosystem supports beneficial arthropods. [source]
Fiddlehead harvest (edible spring shoots)
CulinaryYoung coiled fiddleheads are edible when properly identified and harvested sustainably. They have a slightly nutty flavor and are prepared like asparagus, though harvesting should not harm the fern's vigor. [source]
Traditional ethnobotanical uses
MedicinalNative Americans used Christmas fern in traditional remedies for respiratory conditions and skin health. Modern herbalism recognizes certain fern compounds for potential anti-inflammatory properties, though clinical evidence is limited. [source]
Pressed fern botanical specimens
CraftFerns are classic subjects for pressing and herbarium preservation due to their attractive form and durability. Pressed specimens are used in crafts, framed art, and botanical collections. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Not typically harvested in the culinary sense. Fronds can be cut for ornamental arrangements year-round; harvest by gently cutting mature fronds at the base. Cut fronds last 2-3 weeks indoors. Do not over-harvest, as this weakens the plant.
Fun Facts
- 🌱 Christmas fern is named for its ability to remain green throughout winter, making it popular for holiday decorations and wreaths in New England and Appalachian regions.
- 🌱 This fern reproduces via spores rather than seeds; a single fertile frond can release millions of microscopic spores in favorable conditions.
- 🌱 New England fern fronds can live for 3-4 years, making it one of the longest-lived fern foliage among temperate species.
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