Category Archives: Oregon Native Plants

Oregon Native: Iris chrysophylla

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Plant Name:  Iris chrysophylla
Common name:  Yellow Leaf Iris
Plant Type:  Perennial
Plant Height:  1.2” – 8.4”
Plant Width:  Narrow
Bloom Time: April – June
Flower Color: Creamy White to Pale Yellow
Exposure:  Sun to Part Shade
Soil Requirements:  Acidic Soil with Good Drainage
Water Need: Low
Attributes: Deer Resistant; Drought Tolerant; Attracts Beneficial Insects.
Fire Resistance: Score 10 (Good). Plant 10 ft of structures.
Uses: Native Landscapes, Rock Gardens, Perennial beds, Pollinator Gardens, Wildlife Habitats
Note:  Divide & Transplant in October
Native to:  NW California & Western Oregon
Oregon Native:  YES
 USDA Hardiness Zone: 4 – 9

Report by: Viki Ashford and Carlotta Lucas

Photo from: Klamath Siskiyou Seeds https://klamathsiskiyouseeds.com/product/iris-chrysophylla-yellowleaf-iris/

Oregon Native: Mountain Spirea

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Plant Name:  Spiraea splendens
Common name:  Mountain Spirea/Rose Meadowsweet
Plant Type:  Deciduous Shrub
Plant Height:  1.5’ – 3’
Plant Width:  1.5’ – 3’
Bloom Time: June to August
Flower Color: Rose Pink
Exposure:  Sun to Light Shade
Soil Requirements:  Tolerates a Variety of Soils, but Well-Drained.
Water Need:  Low
Attributes: Yellow Fall Color; Fragrant Flowers; Hosts Butterflies & Moths; Good for Pollinators.
Uses: Butterfly Garden; Small Space Shrub.
Native to:  British Columbia to California
Oregon Native:  YES
USDA Hardiness Zone: 5 – 9

City of Ashland Firewise Plant: Plants may be planted within 5 feet of a building.

Report by AGC Members: Viki Ashford & Carlotta Lucas

Photo by: Walter Siegmund, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons

Oregon Native:Utah Serviceberry

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Plant Name:  Amelanchier utahensis
Common name:  Utah Serviceberry
Plant type:  Deciduous Shrub
Height:  3’ – 15’
Spread: 10′-15′
Bloom Time: April – June
Flower Color:  White/Pink
Exposure: Full Sun to Part Shade
Soil Requirements:  Tolerates most soils, but well-drained.
Water Needs:  Low – Medium
Attributes:  Browse Food for Birds & Wildlife; Hosts Butterflies & Moths; Attracts Pollinators.
Note:  Berries eaten by Birds; Deep Root System; Plant is Self-Fertile.
Uses: Accent Shrub; Windbreak Hedge
Native to:  Western United States
Oregon Native: YES
USDA Hardiness Zone:  5 – 8
Fire Resistance Score: 5 (Zone 2: plant 60 ft away from house)

Report by: Viki Ashford & Carlotta Lucas

Photo by: Eric Hunt, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons

Western Wild Ginger

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Plant Name:  Asarum caudatum
Common name:  Western Wild Ginger
Plant Type:  Herbaceous Perennial
Plant Height:  .25’ – .5’
Plant Width:  .5’ – 1.5’
Bloom Time: April – June
Flower Color: Purplish Brown
Exposure:  Part Shade to Full Shade
Soil Requirements: Well Drained, Wet Soil.
Water Need:  Medium to Wet
Attributes: Deer Resistant; Tolerates Heavy Shade with Wet Soil; Attracts Butterflies; Larval Host.
Uses: Ground Cover; Rain Garden; Edging.
Note:  Spreads by Rhizomes; Blooms are near the Ground, Hidden by Foliage; May Harbor Slugs & Snails.
Native to:  British Columbia & Western States
Oregon Native:  YES
USDA Hardiness Zone: 7 – 10

Article by: Viki Ashford

Photo Credit: (Wikipedia) Walter Siegmund, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>

Western Pasque Flower

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Plant Name:  Anemone occidentalis
Common name:  Western Pasque Flower
Plant type: Perennial Herb
Height:  4” – 2.5’
Bloom Time: May to August
Flower Color:  White with Purplish Tinge; Silky Plumed Seed head Follows.
Exposure: Full Sun
Soil Requirements:  Well-Drained Scree (loose rocky debris)
Water Needs:  Medium
Attributes:  Long Lasting Unique Seed Head. Firewise: Good Fire Resistances
Note:  Poisonous Parts
Uses: Rock Garden; Moist Meadow. Alpine Plantings,
Native to: Western North America
Oregon Native: YES
USDA Hardiness Zone: 4-8

Seed Heads

Report by: Viki Ashford, AGC Member & Master Gardener

Flower Photo by: Eric Yarnell, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

Seed Heads Photo (Mt. Rainer, WA) by: Carlotta Lucas, AGC Member

Oregon Native Plant: Shinyleaf Spirea

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Plant Name:  Spiraea lucida  
Common name:  Shinyleaf Spirea
Plant Type:  Deciduous Shrub
Plant Height:  1’ – 3’
Plant Width:  2’ – 3’
Bloom Time: June – August
Flower Color: White with Pinkish Tinge
Exposure:  Sun to Part Shade
Soil Requirements:  Moist; Tolerant of Clay & Rocky Soils
Water Need:  Low
Attributes: Attracts Native Bees; Pollen & Nectar for Pollinators; Good Fall Color; Deer Resistant, Firewise shrub ( Firewise does not mean Fire Proof, it means it’s resistant. Spires Lucida will typically regrow from the roots if burned)
Uses: Small Stature Shrub in Tight Landscapes, Pollinator Gardens, Woodland Gardens, Perennial Gardens,
Note:  Spreads by rhizomes; Blooms on Wood from Previous Season
Native to:  North West & North Central North America
Oregon Native:  YES
USDA Hardiness Zone: 4

By: Viki Ashford, AGC Member; Master Gardener

Photo from: http://nativeplantspnw.com/shinyleaf-spiraea-spiraea-lucida/