Cystopteris fragilis
TAXONOMY
FamilyCystopteridaceae
GenusCystopteris
Zone4
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Cystopteris fragilis, commonly known as the brittle bladder-fern, is a delicate fern native to temperate regions. It is often found in rocky crevices and moist, shaded areas. This perennial or lithophyte plant is known for its finely divided, lacy fronds and its ability to thrive in challenging environments.
ALSO KNOWN AS
Brittle Bladder Fern
Brittle Fern
Aspidium fragile
Aspidium fragile var. fumarioides
Cyclopteris fragilis
Cyste fragilis
Cystopteris filix-fragilis
Cystopteris fragilis f. angustata
Cystopteris fragilis f. anthriscifolia
Cystopteris fragilis f. cynapifolia
Cystopteris fragilis f. fragilis
Cystopteris fragilis subsp. emarginato-denticulata
Cystopteris fragilis var. acutidentata
Cystopteris fragilis var. baenitzii
Cystopteris fragilis var. dickieana
Cystopteris fragilis var. genuina
Cystopteris fragilis var. lobulatodentata
Cystopteris fragilis var. pinnatipartita
Cystopteris fragilis var. rupestris
Filix fragilis
Fragile fern
Polypodium fragile
OVERVIEW
VPDCalculate
WaterWet
SoilLoamy
LightIndirect Bright (6 Hours)
Temperature18° C
Humidity70%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
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DETAILS
Care Instructions
Cystopteris fragilis prefers moderate temperatures and high humidity. It thrives in bright, indirect light and should be kept in evenly moist soil. Avoid direct sunlight as it can scorch the delicate fronds. This fern is relatively easy to care for and can adapt to indoor or outdoor environments.Soil
The brittle bladder-fern prefers loamy soil that retains moisture but also drains well. Ensure the soil is rich in organic matter to support its growth. Good drainage is essential to prevent root rot.Fertilizer
This fern does not have high fertilizer requirements. If desired, a balanced, diluted fertilizer can be applied during the growing season to support its growth. Avoid over-fertilizing as it can harm the plant.Repotting
Repotting should be done every 2-3 years or when the plant outgrows its container. Choose a slightly larger pot with good drainage. Gently remove the plant from its current pot, shake off excess soil, and place it in the new pot with fresh soil.Propagation
Cystopteris fragilis can be propagated through division. The best time to propagate is during the spring. Carefully divide the root ball into smaller sections, ensuring each section has healthy roots and fronds. Plant the divisions in separate pots with fresh soil.Pruning
Pruning is not typically required for this fern. However, you can remove any dead or damaged fronds to maintain its appearance and encourage new growth.Toxicity
Cystopteris fragilis is not known to be toxic to pets or humans. It is a safe plant to have in households with children and animals.REVOLUTIONIZE YOUR PLANT CARE
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