Tag Archives: Plants for Part Shade

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:  Iris tenax (Oregon Iris)

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Plant Name:  Iris tenax
Common name:  Oregon Iris
Plant type:  Perennial
Height:  1’ – 3’
Spread: 2’
Bloom Time: April – June
Flower Color:  Pink, Purple, White, Yellow
Exposure: Part Shade
Soil Requirements:  Drier, Well-Drained
Water Needs:  Medium
Attributes:  Attracts Hummingbirds; Drought Tolerant once established; Evergreen.
Note:  Rhizomes may be poisonous to animals & humans.
Uses:  Rock Garden Plant; Edge of Gravel Path or Front in the Perennial Border.
Native to:  California, Oregon, Washington
Oregon Native: YES
USDA Hardiness Zone:  7 – 9

Report submitted by: Viki Ashford

Photo Resource: Wikimedia Photo by: Peter B James Pbjamesphoto

Oregon Native: Thalictrum sparsiflorum (Fewflower Meadow Rue)

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Plant Name:  Thalictrum sparsiflorum
Common name:  Fewflower Meadow Rue
Plant type:  Herbaceous Perennial
Height:  4’ – 6’
Spread: 2’ – 3’
Bloom Time: June – August
Flower Color:  White to Pinksh
Exposure: Full Sun to Part Shade
Soil Requirements:  Average to Medium Well-Drained Soil
Water Needs: Medium
Attributes:  Showy Flower; Deer Resistant.  Blueish, Columbine like foliage with airy clusters atop sturdy stems.
Note:  Powdery Mildew & Rust can occasionally be a problem. Contrary to its name, it produces many flowers.
Uses:  Good Background Plant when grouped.
Native to: Western North America
Oregon Native:  YES
USDA Hardiness Zone:  4 – 7

Submitted by: Viki Ashford

Viburnum ellipticum

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Horticulture Report

Plant Name:  Viburnum ellipticum
Common name: Oregon Viburnum
Plant type:  Deciduous Shrub
Height:  3’ – 11’
Spread: 6’ – 10’
Bloom Time: May – June
Flower Color:  White
Exposure: Sun to Part Shade
Water Needs: Prefer semi-moist, but will tolerant dry
Attributes:  Supports Pollinators; Pest-eating insects & birds; 3-Season; Fall berries for birds. 
Interest: Showy flowers, Red leaves in fall and blue-black Berries  
Note:  Tolerates seasonal flooding & drought.  Grows along stream banks.
Uses:  As a Screen or Background Plant,  Use along high banks of creeks, margins of wet areas, and at edges of trees
Native to: Washington & Oregon west of the Cascades
Oregon Native: YES
USDA Hardiness Zone: 6-9

Report Submitted by: Viki Ashford

Horticulture Report: Astilbe biternata (False Goat’s Beard)

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Plant Name:  Astilbe biternata
Common name:  False Goat’s Beard
Plant Type:  Perennial
Plant Height:  2’ – 6’
Spread:  24” – 30”
Bloom Time: April – July.
Flower Color:  White or Yellowish.
Exposure:  Part Shade.
Soil Requirements:  Moist, Rich.
Water Needs:  Medium
Attributes:  Feathery flowers on plumes, Attracts pollinators
Uses:  Good Cut Flower; Woodland Gardens; Wildflower Gardens; Nature Gardens , Pollinator Gardens
Note:  Don’t confuse with Aruncus dioicus (True Goat’s Beard)
Native to:  Appalachia
Oregon Native:   NO
USDA Hardiness Zone:  5 – 8

Report by: Viki Ashford

Horticulture Report: Maidenhair Fern

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Plant Name: Adiantum pediatum
Common name: Maidenhair Fern
Plant type: Fern
Height: 1’ – 2 ½’
Spread: 1’ – 1 ½’
Bloom Time: Not Applicable
Flower Color: Not Applicable
Exposure: Part Shade to Shade
Soil Requirements: Well-Drained, Humusy, Acidic, Moist Soil
Water Needs: Medium
Attributes: Finely textured, frilly fronds with curved stalks, fronds divided into finger-like projections. Wiry stems are reddish-brown to black. Coiled young fiddleheads emerge pink in spring.
Note: High summer heat may cause fronds to brown by mid to late summer, particularly if good soil moisture is not maintained and/or plants are grown in too much sun.
Uses: Attractive ornamental fern for the shaded border, woodland garden, shaded rock garden or native plant garden. Combine with broad leaves.
Native to: North America
Oregon Native: YES
USDA Hardiness Zone: 3 – 8

Report by: Viki Ashford

Photo by: Carlotta Lucas