Cystopteris Fragilis

Description

Cystopteris Fragilis, commonly known as brittle bladder fern, is a delicate and graceful fern species native to Europe, Asia, and North America. It belongs to the Cystopteridaceae family and is characterized by its small size, fragile fronds, and translucent appearance. It is a popular choice for rock gardens, container plantings, and woodland settings due to its unique beauty and ease of cultivation.

Taxonomic Information

Appearance

Cystopteris Fragilis typically grows to a height of 10-30 cm and has a spread of 20-30 cm. Its fronds are bipinnate, meaning that they are divided into leaflets and subleaflets. The leaflets are oblong or triangular in shape, and the subleaflets are finely divided and delicate. The fronds are light green in color and have a translucent appearance, giving them a delicate and graceful appearance. They grow in a rosette-like pattern and have a shallow root system.

Care Guide

Cystopteris Fragilis is a relatively easy fern to grow and care for. Here are some important care tips:

Water

Keep the soil consistently moist, but not waterlogged. Water regularly during the growing season and reduce watering during the winter months.

Fertilization

Cystopteris Fragilis does not require regular fertilization. However, you can use a balanced liquid fertilizer once a month during the growing season to promote healthy growth.

Soil

Plant Cystopteris Fragilis in well-draining soil that is rich in organic matter. A slightly acidic soil with a pH of 5.5-6.5 is ideal.

Sunlight

Cystopteris Fragilis prefers partial to full shade. Avoid direct sunlight, as it can scorch the delicate fronds.

Hardiness Zones

Cystopteris Fragilis is hardy in USDA zones 4-8.

Common Pests & Diseases

Cystopteris Fragilis is relatively pest and disease resistant. However, it can be susceptible to spider mites, scale insects, and mealybugs. These pests can be controlled with insecticidal soap or neem oil. The fern can also be affected by leaf spot and rust, which can be treated with a fungicide.

Habitat

Cystopteris Fragilis is found in a variety of habitats, including rocky slopes, woodland settings, and crevices in walls and rocks. It prefers moist, well-drained soils and partial to full shade.

Question and Answer

Q: Is Cystopteris Fragilis a good choice for a rock garden?

A: Yes, Cystopteris Fragilis is an excellent choice for a rock garden due to its small size and delicate appearance.

Q: How often should I water Cystopteris Fragilis?

A: Keep the soil consistently moist, but not waterlogged. Water regularly during the growing season and reduce watering during the winter months.

Q: What is the ideal pH for Cystopteris Fragilis?

A: A slightly acidic soil with a pH of 5.5-6.5 is ideal for Cystopteris Fragilis.

Q: Can Cystopteris Fragilis be grown indoors?

A: Yes, Cystopteris Fragilis can be grown indoors in a bright, humid location with partial shade.

Related Plants

• Cystopteris Bulbifera
• Cystopteris Dickieana
• Cystopteris Montana

References

• https://www.gardenia.net/plant/cystopteris-fragilis-brittle-bladder-fern
• https://www.rhs.org.uk/Plants/5654/Cystopteris-fragilis/Details
• https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b714