Brittle bladderfern - Cystopteris fragilis (Care, Characteristics, Distribution, Images)

Brittle bladderfern

Also known as: Common fragile fern

Brittle bladderfern, or Cystopteris fragilis, is found around the world wherever there are moist, shady areas. This plant grows in small clumps which form from rhizomes. Some plants are sterile and some are fertile.

Scientific classification

Species

Brittle bladderfern (Cystopteris fragilis)

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Perennial

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

91 cm

Plant Height

90 cm to 1.2 m

Spread

Green, Gray

Leaf Color

Images of Brittle bladderfern

Quickly Identify Brittle bladderfern

Twice pinnate leaves up to 1.5 feet (45 cm) in length

Compact, dense rhizome with spreading growth habit

Delicate, feathery appearance due to divided leaflets

Fleshy petioles providing strong leaf support

Clearly defined veins for efficient nutrient transport

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Care Guide for Brittle bladderfern

Every week

Water

Partial sun

Sunlight

0 - 35 ℃

Ideal Temperature

Water: Brittle bladderfern prefers moist, shaded conditions similar to its native habitat. Weekly watering is recommended, though it can tolerate brief dry spells. Thriving indoors with stable humidity, brittle bladderfern requires moisture-retentive but well-draining soil to prevent root rot.

Fertilize: For brittle bladderfern, use balanced nutrition fertilizers every 4 weeks during active growth in spring and summer. Be cautious of over-fertilization, adjusting based on brittle bladderfern's response. Water before fertilizing and apply uniformly around the base. Decrease frequency in fall and pause in winter.

Pruning: The delicate brittle bladderfern thrives in shaded, moist environments. Prune in early to late spring to remove dead fronds, promoting new growth and reducing disease risk. Use clean, sharp tools and handle gently to avoid damaging fragile stems.

Propagation: Brittle bladderfern is a delicate fern from the Cystopteridaceae family, susceptible to drying out but propagating effectively through clump division. When dividing, maintain moisture and shade to replicate its forest floor habitat, enhancing establishment success during care and repotting.

Repotting: Brittle bladderfern is a petite fern ideal for small spaces, requiring repotting every 2-3 years in spring. Use a shallow container, provide dappled light, and maintain consistent moisture without waterlogging. Careful attention to humidity and light will ensure brittle bladderfern thrives post-repotting.

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