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Description
Oxalis Oregana, commonly known as Redwood Sorrel, is a perennial plant that belongs to the Oxalidaceae family. It is native to western North America, particularly in the Pacific Northwest region. This plant has shamrock-shaped leaves that are bright green in color and have a reddish tinge underneath. It produces delicate white or pink flowers that bloom in the spring or summer. Oxalis Oregana is a great addition to woodland gardens, rock gardens, or as a ground cover.
Taxonomic Information
| Domain: | Eukarya |
| Kingdom: | Plantae |
| Phylum: | Tracheophyta |
| Class: | Magnoliopsida |
| Order: | Oxalidales |
| Family: | Oxalidaceae |
| Genus: | Oxalis |
Appearance
Oxalis Oregana has a clumping growth habit and grows up to 6 inches tall and 18 inches wide. Its leaves are trifoliate and range from 1 to 2 inches in diameter. The top of the leaf is a bright green color, while the underside is reddish-purple. The leaves close up at night and on cloudy days. The plant produces small white or pink flowers with five petals that bloom in the spring or summer. The flowers are usually held above the foliage on slender stems that grow up to 8 inches tall.
Care Guide
Oxalis Oregana is a low maintenance plant that is easy to care for. Here are some tips for keeping your plant healthy:
- Water: Keep the soil moist but not waterlogged. Water when the top inch of soil feels dry to the touch.
- Fertilization: Fertilize with a balanced fertilizer once a month during the growing season.
- Soil: Plant Oxalis Oregana in well-draining soil that is rich in organic matter.
- Sunlight: This plant prefers partial shade to full shade. Avoid direct sunlight, which can scorch the leaves.
- Hardiness Zones: Oxalis Oregana is hardy in USDA zones 6 to 9.
Common Pests & Diseases
Oxalis Oregana is generally pest and disease-free. However, here are some common issues to look out for:
- Slugs and snails: These pests can damage the leaves and flowers of Oxalis Oregana. Use a slug and snail bait to control them.
- Powdery mildew: This fungal disease can affect the leaves of Oxalis Oregana. Improve air circulation around the plant and avoid overhead watering to prevent powdery mildew.
Habitat
Oxalis Oregana is native to the Pacific Northwest region of western North America. It grows in moist, shaded areas such as woodlands, forests, and along streams. It prefers well-draining soil that is rich in organic matter.
Question and Answer
Q: Can Oxalis Oregana be grown indoors?
A: Yes, Oxalis Oregana can be grown indoors as long as it receives bright, indirect light and is kept in well-draining soil.
Q: How often should I water my Oxalis Oregana?
A: Water your Oxalis Oregana when the top inch of soil feels dry to the touch.
Q: Does Oxalis Oregana attract pollinators?
A: Yes, Oxalis Oregana produces flowers that attract pollinators such as bees and butterflies.
Q: Can Oxalis Oregana be propagated?
A: Yes, Oxalis Oregana can be propagated by division in the spring or fall.
Related Plants
- Oxalis deppei
- Oxalis triangularis
- Oxalis acetosella
- Oxalis pes-caprae
References
- “Oxalis Oregana” – Plant Database, Dave’s Garden
- “Oxalis Oregana” – Pacific Bulb Society
- “Oxalis Oregana” – Washington Native Plant Society
