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Description
Cryptogramma Sitchensis, commonly known as the Sitka rock brake or Sitka parsley fern, is a small and delicate fern native to the Pacific Coast of North America. It is often found growing on rocky cliffs, talus slopes, and moist areas near streams and waterfalls. The fern has unique fronds that are divided into small leaflets, giving it the appearance of parsley. It is a popular choice for rock gardens and shade gardens due to its aesthetic appeal and low maintenance requirements.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Polypodiopsida |
| Order | Pteridales |
| Family | Pteridaceae |
| Genus | Cryptogramma |
Appearance
The Cryptogramma Sitchensis fern has fronds that can grow up to 30 centimeters long and are divided into several small leaflets. The leaflets are oblong and have a serrated edge, giving the fern the appearance of parsley. The fronds are light green in color and have a delicate, lacy texture. The fern produces spores on the underside of its leaflets, which are protected by small, kidney-shaped structures called indusia.
Care Guide
Cryptogramma Sitchensis is a low-maintenance fern that thrives in moist, well-drained soil and partial to full shade. Here are some care tips to keep your fern healthy and happy:- Water: Keep the soil consistently moist but not waterlogged. Water when the top inch of soil feels dry to the touch.- Fertilization: Apply a balanced fertilizer in the spring to promote growth.- Soil: Use a well-draining potting mix with added perlite or coarse sand to improve drainage.- Sunlight: Keep the fern in partial to full shade. Avoid direct sunlight, which can scorch the delicate fronds.- Hardiness Zones: Cryptogramma Sitchensis is hardy in USDA zones 6 to 9.
Common Pests & Diseases
Cryptogramma Sitchensis is generally resistant to pests and diseases, but it can be susceptible to mealybugs and spider mites if grown indoors. These pests can be controlled with insecticidal soap or neem oil. The fern may also develop root rot if grown in poorly-drained soil, so make sure the soil is moist but not waterlogged.
Habitat
Cryptogramma Sitchensis is native to the Pacific Coast of North America, from Alaska to California. It is commonly found growing on rocky cliffs, talus slopes, and moist areas near streams and waterfalls. The fern is well-adapted to its habitat and is able to tolerate periods of drought and extreme temperatures.
Question and Answer
Q: Can Cryptogramma Sitchensis tolerate full sun?
A: No, it prefers partial to full shade and can be scorched by direct sunlight.
Q: Is Cryptogramma Sitchensis a good choice for a rock garden?
A: Yes, it is a popular choice for rock gardens due to its aesthetic appeal and low maintenance requirements.
Q: How often should I water Cryptogramma Sitchensis?
A: Keep the soil consistently moist but not waterlogged. Water when the top inch of soil feels dry to the touch.
Q: Does Cryptogramma Sitchensis attract wildlife?
A: The fern does not have any significant wildlife value.
Related Plants
– Cryptogramma Acrostichoides (American rock brake)- Cryptogramma Cascadensis (Cascade rock brake)- Cryptogramma Stelleri (Steller’s rock brake)
References
– “Cryptogramma Sitchensis.” Flora of North America, www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233500033.- “Cryptogramma Sitchensis.” Pacific Northwest Plant Database, pnwplants.wsu.edu/PlantDisplay.aspx?PlantID=72.- “Sitka Rock-Brake.” USDA Forest Service, www.fs.fed.us/database/feis/plants/fern/crysit/all.html.
