Woodsia Oregana

Description

Woodsia oregana, commonly known as Oregon Woodsia, is a perennial fern that belongs to the family Woodsiaceae. It is native to western North America and can be found growing in rocky, shaded areas in forests, meadows, and along streams. This fern is characterized by its delicate fronds, which are light green and grow up to 12 inches long. The fronds are bipinnate, meaning they have two rows of leaflets on either side of the stem. It is a great addition to any garden as it adds a touch of elegance to the landscape.

Taxonomic Information

Appearance

The fronds of Woodsia oregana are light green and grow up to 12 inches long. They are bipinnate, meaning they have two rows of leaflets on either side of the stem. The leaflets are small and delicate, measuring about 1 inch long and 0.5 inches wide. The fronds are arranged in a rosette pattern, with new growth emerging from the center of the plant. The overall shape of the plant is vase-like, with the fronds growing in a circular pattern.

Care Guide

Woodsia oregana is a low-maintenance fern that is easy to care for. Here are some tips:

• Water: Keep the soil moist but not waterlogged. Water once a week, or more frequently during hot, dry weather.
• Fertilization: Woodsia oregana does not require fertilizer, but you can use a balanced, water-soluble fertilizer once a month during the growing season to promote healthy growth.
• Soil: This fern prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, including sandy and clay soils.
• Sunlight: Woodsia oregana prefers shade or partial shade. It can tolerate some sun, but too much direct sunlight can damage the delicate fronds.
• Hardiness Zones: This fern is hardy in USDA zones 5-9.

Common Pests & Diseases

Woodsia oregana is generally pest and disease-free, but it can occasionally fall prey to the following:

• Slugs and snails: These pests can chew on the fronds, leaving holes and ragged edges. Use a slug and snail bait to control them.
• Mites: These pests can cause discoloration and distortion of the fronds. Use a miticide to control them.
• Root rot: This disease is caused by overwatering or poorly-draining soil. To prevent root rot, make sure the soil is well-draining and do not overwater.

Habitat

Woodsia oregana is native to western North America and can be found growing in rocky, shaded areas in forests, meadows, and along streams. It prefers cool, moist environments and is often found growing on north-facing slopes or in areas with high humidity.

Question and Answer

Q: Can Woodsia oregana tolerate full sun?
A: While Woodsia oregana can tolerate some sun, it prefers shade or partial shade. Too much direct sunlight can damage the delicate fronds.

Q: How often should I water Woodsia oregana?
A: Keep the soil moist but not waterlogged. Water once a week, or more frequently during hot, dry weather.

Q: Can I grow Woodsia oregana indoors?
A: Yes, Woodsia oregana can be grown indoors in a bright, humid room. Make sure to provide it with adequate moisture and humidity.

Q: How can I propagate Woodsia oregana?
A: Woodsia oregana can be propagated by division in the spring, when new growth is emerging. Simply dig up the plant, separate it into smaller clumps, and replant in well-draining soil.

Related Plants

• Woodsia scopulina
• Woodsia mexicana
• Woodsia ilvensis
• Woodsia glabella

References

• “Woodsia oregana.” Missouri Botanical Garden. Accessed September 22, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a948.
• “Woodsia oregana.” Plants of the World Online. Accessed September 22, 2021. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:528258-1.
• “Woodsia oregana.” Royal Horticultural Society. Accessed September 22, 2021. https://www.rhs.org.uk/Plants/22123/Woodsia-oregana/Details.