Oxalis Species, Oregon Wood Sorrel, Redwood Sorrel

Oxalisoregana

Genus
Oxalis (oks-AL-iss)
Species
oregana (or-reh-GAH-nuh)
Synonym
Acetosella oregana
Oxalis acetosella subsp. oregana
Oxalis acetosella var. oregana
Sun Exposure
Light Shade
Partial to Full Shade
Full Shade
Foliage
Grown for foliage
Evergreen
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Groundcovers
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Crescent City, California

Menlo Park, California

San Francisco, California

Port Townsend, Washington(2 reports)

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Gardener's Notes:

1
positive
0
neutral
1
negative
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M
Port Townsend, WA | October 2012 | negative

This is a beautiful little groundcover....however, I have found it to become VERY invasive, with very deep roots. I have tried several t...Read More

G
G
Beautiful, BC (Zone 8b) | August 2006 | positive

I grew up with this plant and always appreciated it. Can nicely fill an area without being invasive. Roots are shallow so it's easily rem...Read More

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