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Description
Pentagramma Triangularis, commonly known as the Goldenback Fern, is a species of fern that is native to western North America. It is a perennial plant that grows in damp and shady areas, such as forests and canyons. The fern has unique triangular fronds that are arranged in a pentagonal shape, hence its name. Its fronds are also golden-yellow in color, which makes it a popular choice for ornamental gardens.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Polypodiopsida |
| Order | Pteridales |
| Family | Pteridaceae |
| Genus | Pentagramma |
Appearance
The fronds of Pentagramma Triangularis are triangular in shape, with a pointed tip. They grow to be about 6-20 inches long and 2-5 inches wide. The fronds are golden-yellow in color, with a shiny texture. The fern has a compact growth habit and can reach a height of 1-2 feet. It is a slow-growing plant, but can spread by rhizomes to form a dense clump over time.
Care Guide
Water: Pentagramma Triangularis requires regular watering to maintain its damp soil conditions. Water the plant when the top inch of soil feels dry.
Fertilization: Fertilize the fern with a balanced liquid fertilizer every 2-3 months during the growing season.
Soil: The fern prefers well-draining soil that is high in organic matter. A mix of peat moss, perlite, and sand is ideal for its growth.
Sunlight: The fern prefers partial to full shade, with no direct sunlight. Protect it from hot afternoon sun to avoid scorching the fronds.
Hardiness Zones: Pentagramma Triangularis is hardy in zones 7-10.
Common Pests & Diseases
The Goldenback Fern is relatively pest and disease-resistant. However, it can be susceptible to mealybugs, spider mites, and scale insects. Regular inspection can help identify and treat any pest infestations. The fern can also develop leaf spot if the soil is too wet or if there is poor air circulation around the plant.
Habitat
Pentagramma Triangularis is commonly found in damp and shady areas, such as forests, canyons, and rocky slopes. It prefers well-draining soil and can tolerate a range of soil types, including sandy and rocky soils. The fern is native to western North America and can be found in areas from British Columbia to California.
Question and Answer
Q: How often should I water Pentagramma Triangularis?
A: Water the plant when the top inch of soil feels dry, which is typically once or twice a week.
Q: Can I grow Pentagramma Triangularis indoors?
A: Yes, the fern can be grown indoors as long as it is placed in a cool and humid location with indirect sunlight.
Q: How do I propagate Pentagramma Triangularis?
A: The fern can be propagated by division in the spring or fall. Carefully separate the rhizomes and plant them in separate pots or in a new location in the garden.
Q: Can Pentagramma Triangularis tolerate drought?
A: No, the fern prefers damp soil conditions and cannot tolerate drought.
Related Plants
- Pentagramma Maxonii
- Pentagramma Pallida
- Pentagramma Triangularis Subsp. Triangularis
- Pentagramma Triangularis Subsp. Intermedia
References
- https://www.fs.fed.us/wildflowers/plant-of-the-week/pentagramma_triangularis.shtml
- https://www.gardeningknowhow.com/ornamental/foliage/goldenback-fern/growing-goldenback-ferns.htm
- https://www.monrovia.com/plant-catalog/plants/1447/goldenback-fern/
- https://plants.ces.ncsu.edu/plants/pentagramma-triangularis/
