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Perennial

Blechnum

Blechnum spp. (commonly B. gibbum, B. spicant)

Hard FernDeer FernSilver Lady FernDwarf Tree FernWater Fern

Blechnum is a genus of distinctive ferns with glossy, symmetrical fronds. Some species form small trunks like tree ferns, while others create elegant rosettes perfect for shaded gardens.

Plant Family

Blechnaceae

Blooming

Year-round foliage; spore production in summer

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Elegant Blechnum fern with symmetrical fronds forming a rosette
Elegant Blechnum fern with symmetrical fronds forming a rosette

Symbolism & Meanings

Key Meanings

Ancient wisdom
Resilience
Shade and shelter
Timelessness
Natural elegance

Perfect For

Shade garden installationsIndoor plant collectionsWoodland gardens

Color Meanings

Dark green fronds:Life, vitality, and connection to primeval forests
Silvery fronds (B. gibbum):Elegance and refined beauty

Similar flowers: pachypodiums and ferns also share similar meanings.

Cultural Significance

Ferns like Blechnum represent ancient plant lineages dating back millions of years. They symbolize endurance through time and the quiet beauty of shaded, mysterious forests. In Victorian times, ferns represented sincerity and fascination.
Related cultural flowers:Lavender, Fern
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Botanical Information

Physical Characteristics

Flower Size: N/A (fern)
Plant Size: 9 inches to 4 feet tall (23 cm-1.2 m) depending on species
Flower Shape: N/A (produces spores on fertile fronds)

Natural Habitat

Native to: New Caledonia, Fiji, Pacific Islands, Europe, North America, New Zealand
Habitat: Moist woodlands, forests, stream banks, shaded rock gardens; some species in tropical understories
Climate: Cool temperate, Tropical, Subtropical

Growing Guide

Sunlight

Partial to full shade (bright indirect light indoors)

Water

Consistently moist soil; never allow to dry out completely; high humidity preferred

Soil

Humus-rich, Acidic, Moist, Well-drained, Peaty

Expert Growing Tips

1

Maintain high humidity, especially indoors

2

Water with rainwater or distilled water if possible (lime-sensitive)

3

Mist foliage regularly or use pebble trays

4

Remove brown or dead fronds at the base

5

Repot every 2-3 years in spring

6

Protect from direct sun which causes leaf scorch

7

Divide mature plants in spring for propagation

Uses & Benefits

Ornamental Uses

  • Shade gardens and woodland plantings
  • Indoor houseplant (B. gibbum)
  • Rock gardens and fern collections
  • Understory plantings
  • Containers and conservatories
  • Bog gardens and streamside plantings

Frequently Asked Questions about the Blechnum

is blechnum a fern or a plant

Blechnum is a fern, which is a type of non-flowering vascular plant. Ferns reproduce via spores rather than seeds and are some of the oldest plant groups on Earth.

how do you care for blechnum gibbum indoors

Blechnum gibbum (Silver Lady) needs bright indirect light, consistently moist soil, high humidity, and temperatures between 60-75°F. Mist regularly and use rainwater when possible.

why are my blechnum fern fronds turning brown

Brown fronds typically indicate low humidity, underwatering, or direct sunlight exposure. Increase humidity, ensure consistent moisture, and move to a shadier location.

can blechnum grow in full sun

No, Blechnum ferns prefer partial to full shade. Direct sunlight causes leaf scorch and browning. They thrive in the dappled light of woodland settings.

Available Colors

Does not flower (fern - reproduces via spores)

Quick Facts

Type:perennial
Family:Blechnaceae
Native to:New Caledonia
Blooms:Year-round foliage; spore production in summer

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