Tag Archives: SW Oregon Native Plants

Oregon Native: Collomia grandiflora

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Plant Name:  Collomia grandiflora
Common name: Large Flower Collomia
Plant Type:  Annual Herb
Plant Height:  4” – 3’
Bloom Time: April – June
Flower Color:  Yellow Salmon to White with Blue Pollen
Exposure:  Part Shade to Full Sun
Soil Requirements: Dry
Water Needs:  Low to No Water.
Attributes: Pollen for Bees.
Note:  Flowers are eaten by deer.  Powdery mildew is possible.
Uses: Cut Flower; Native Garden; Wildflower gardening; Pollinator Garden.
Native to:  Western North America
Oregon Native:  YES
USDA Hardiness Zone:  6a – 9b

Report by: Viki Ashford

Oregon Native Plant: Chrysothamnus viscidiflorus (Yellow Rabbitbush)

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Plant Name:  Chrysothamnus viscidiflorus
Common name: Yellow Rabbitbrush
Plant Type:  Shrub
Plant Height:  8” – 39”
Bloom Time: August – October
Flower Color:  Yellow
Exposure:  Full Sun
Soil Requirements: Course to Medium; Well-Drained.
Water Needs:  Low
Habitat: Dessert and semi-dessert
Attributes:  Drought Tolerant; Provides Cover & Nesting Habitat for Small Birds; Fall Forage for Some Butterflies; Pollen/Nectar for Native Bees; Provides Cover for Rabbits.
Note:  Spring Forage for Deer.
Uses: Restoration & Re-vegetation Plantings; Drought-Tolerant Plantings; Native Gardens; Low Maintenance Gardens; Rock Gardens.
Native to:  Western North America
Oregon Native:  YES
USDA Hardiness Zone:  5b – 8b

Report by: Viki Ashford

Photo: Wikimedia Commons Taken By: Matt Lavin, Bozeman Montana, USA https://commons.wikimedia.org/wiki/File:Chrysothamnus_viscidiflorus_(3939348143).jpg

Oregon Native: Tufted Hairgrass

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Plant Name:  Deschampsia cespitosa
Common name:  Tufted Hairgrass
Plant Type:  Ornamental Grass
Plant Height:  2’ – 3’
Spread:  1’ – 2’
Bloom Time: July – September
Flower Color:  Tones of Gold, Silver, Purple, Green
Exposure:  Part Shade
Soil Requirements: Average, Medium, Moist, Well-Drained Soil;
Water Needs: Medium
Attributes:  Showy Flowers; Attracts Birds; Winter Interest; Airy Panicles of Variably-Color form a cloud that is attractive when backlit; Deer Resistant.
Note:  Cut Foliage to Ground in Late Winter
Uses: Ground Cover; Rock Gardens; Mixes well with Shade Loving Perennials; Butterfly Gardens, Woodland Gardens.
Native to:  Most of North America
Oregon Native:   YES
USDA Hardiness Zone:  4 – 9

Report by: Viki Ashford

Horticulture Report: Native Iris

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Siskiyou Iris

Rarity: Uncommon

20170607_151608

Siskiyou Iris

Flowering Time: Late Spring
Flower Color: Large, pale-cream to deep golden-yellow flowers, with prominent reddish-brown or purple lines. .
Life Cycle: Perennial
Height: 12 inches
Found In: Klamath – Siskiyou Mountains of SW Oregon & NW California
Native: Yes
Habitat: Found among pine needles in shaded areas in dry pine forest, or in meadows in the shade of large shrubs, or bracken ferns.

Photo by: Carlotta Lucas
Taken: June 7, 2017
Location: Cascade-Siskiyou National Monument