Botanical Name: Oxalis oregana
Common Name: Oregon oxalis, Redwood sorrel
Type of Plant: dicot: perennial
 
Habit of Growth:
Overall Shape Upright, spreading, creeping plant with clover-like foliage and pink, trumpet shaped flowers
Height to 1'
Spread to 3'
Growth Rate moderate
 
Environment:
Exposure outdoors partial shade to full sun
Soil prefers a well amended soil
Hardiness hardy – Zones 4-9, 14-24
 
Morphology:
Leaves Trifoliate, clover-like leaves to 4" across; each leaflet is obcordate with pale green markings
Flowers small trumpet-shaped pink flowers to 3/4" across, frequently striped with white or lavender veins – blooms most heavily in spring and fall
Fruit small fleshy capsule
 
Propagation:
division
 
Usage:
good groundcover for use with ferns or other woodsy, shade loving plants – used for foliage and flowers; makes a dense clump with regular watering
 
Landscape Care:
Watering Prefers frequent watering; does not tolerate drought well
Fertilizing none required
Pruning dead head spent flowers
Pests/Diseases snails and slugs
Special Conditions/Other
 
Origin: Coastal Oregon and Northern California
Family: Oxalidaceae

Notes:
 
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