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Description
Cryptogramma Acrostichoides, commonly known as the American rockbrake fern, is a small, evergreen fern native to North America. Its fronds grow from a central rosette and can reach up to 8 inches in length. The leaves are pinnate, meaning they have a main stem with smaller leaflets branching off of it. The fronds are light green in color and have a delicate, lacy appearance.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Polypodiopsida |
| Order | Pteridales |
| Family | Pteridaceae |
| Genus | Cryptogramma |
Appearance
The American rockbrake fern has delicate, lacy fronds that grow from a central rosette. The fronds are light green in color and can reach up to 8 inches in length. The leaves are pinnate, with a main stem and smaller leaflets branching off of it. The fronds have a feathery appearance and can give a soft, textured look to any garden.
Care Guide
Cryptogramma Acrostichoides is a low-maintenance plant that is fairly easy to care for. Here are some tips to ensure that your American rockbrake fern thrives:Water: This fern prefers consistently moist soil, so be sure to water it regularly. However, make sure not to over-water, as this can lead to root rot.Fertilization: This plant does not require fertilizer, but you can give it a boost with a well-balanced, slow-release fertilizer in the spring.Soil: The American rockbrake fern prefers well-draining soil that is rich in organic matter. A mixture of peat moss and perlite works well.Sunlight: This plant prefers partial shade to full shade. Avoid direct sunlight, as this can scorch the fronds.Hardiness Zones: Cryptogramma Acrostichoides is hardy in zones 3-8.
Common Pests & Diseases
The American rockbrake fern is fairly resistant to pests and diseases. However, it can be susceptible to spider mites and mealybugs. If you notice any signs of infestation, treat the plant with a mild insecticide or neem oil.
Habitat
Cryptogramma Acrostichoides is native to North America and can be found in rocky, mountainous areas. It prefers well-draining soil and partial to full shade.
Question and Answer
Q: Is the American rockbrake fern toxic to pets?
A: No, this plant is not toxic to pets.Q: Can the American rockbrake fern be grown indoors?
A: Yes, this plant can be grown indoors as long as it is kept in a cool, shady area.Q: How often should I water my Cryptogramma Acrostichoides?
A: This fern prefers consistently moist soil, so be sure to water it regularly. However, make sure not to over-water, as this can lead to root rot.Q: Can the American rockbrake fern tolerate full sun?
A: No, this plant prefers partial shade to full shade. Avoid direct sunlight, as this can scorch the fronds.
Related Plants
Here are some related plants to Cryptogramma Acrostichoides:- Dryopteris filix-mas (male fern)- Adiantum pedatum (maidenhair fern)- Polystichum acrostichoides (Christmas fern)
References
– “Cryptogramma acrostichoides.” Missouri Botanical Garden. Accessed June 16, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c940.- “Cryptogramma acrostichoides.” Plants of the World Online. Accessed June 16, 2021. http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17217490-1.
