Swamp fern (Telmatoblechnum serrulatum)

Swamp fern

A species of fern, swamp fern (Telmatoblechnum serrulatum) derives part of its Latin name from the "toothy" appearance of its green fronds. Like many ferns, this species prefers to dwell in areas of high moisture, leading to its local common name of "Swamp Fern." It is noted for its adaptability, as it can be partially submerged for intermittent periods without dying.

Scientific classification

Species

Swamp fern (Telmatoblechnum serrulatum)

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Perennial

Lifespan

Herb

Plant Type

61 cm to 91 cm

Plant Height

30 cm to 60 cm

Spread

Green

Leaf Color

Images of Swamp fern

Distribution of Swamp fern

Distribution Map

Swamp fern is naturally found in the tropical regions of Central and South America, flourishing in wetlands and swampy areas. Its native range encompasses major regions of both continents, including the Amazon Basin and the humid subtropical zones. Over time, swamp fern has not been widely introduced beyond its native habitat, remaining a species primarily confined to its traditional locales.

Native

Cultivated

Invasive

Introduced

No species reported

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Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Swamp fern

Every week

Water

Partial sun

Sunlight

Water: Adapted to moist, swampy habitats, swamp fern thrives in high humidity and prefers regular watering, ideally once a week. While it can tolerate brief dryness, it flourishes outdoors in environments like rain gardens that mimic its natural conditions.

Fertilize: Fertilize swamp fern monthly during the growing season with balanced nutrition fertilizers, reducing in winter. Use water-soluble or slow-release formulas at half strength to avoid root damage. Adjust concentration based on swamp fern's response and monitor for nutrient deficiency or excess to ensure optimal health.

Pruning: Prune swamp fern in early to late spring by removing dead fronds and thinning crowded areas to enhance airflow and encourage new growth. Regular pruning maintains vigor and aesthetics while preventing overgrowth, especially in damp or shaded conditions. Follow horticultural guidelines for optimal care.

Propagation: Swamp fern propagates well through division in aquatic or boggy settings. Carefully separate mature plants with roots, replanting them in similar moist habitats. Handle swamp fern gently to avoid root damage, and maintain consistent moisture post-transplant to support establishment.

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Learn More About Swamp fern

Sunlight Requirements

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