Oregon Native: Grindelia nana

Plant Name:  Grindelia nana
Common name:  Idaho Gumweed
Plant Type:  Perennial Wildflower
Plant Height:  6” – 2’
Bloom Time: June to September
Flower Color:  Yellow
Exposure: Full Sun
Soil Requirements:  Sharply draining, rocky, gravelly soil.
Water Need:  Low.
Attributes: Highly attractive to native bees & butterflies; Drought tolerant; Deer resistant; Resinous & sticky leaves that appear to sparkle.
Uses: Wildflower Gardens; Drought Tolerant Gardens; Pollinator Gardens.
Native to:  Western US
Oregon Native:  YES
USDA Hardiness Zone:  8

 

Report by: Viki Ashford, AGC member

Photo from: American West website: https://www.americansouthwest.net/plants/wildflowers/grindelia-nana.html

Oregon Native:Spaeralcea munroana (Orange Globe Mallow)

Plant Name:  Spaeralcea munroana
Common name:  Orange Globe Mallow, Desert Mallow
Plant Type:  Perennial Subshrub
Plant Height:  8’ – 32’
Plant Width:  24”
Bloom Time:  May to August
Flower Color:  Pale Orange to Brick Red.
Exposure: Full Sun
Soil Requirements:  Tolerates Rocky, Sandy Soil or Clay with Fast Drainage.
Water Need:  Extremely Low.
Attributes: Attracts Bees; Deer Resistant
Note:  Cut Back to Ground Yearly; Susceptible to Fungal Rust Pathogen.
Uses: Rock Gardens; Along Driveways & Walkways; Container Planting; Bee & Butterfly Gardens.
Native to:  Western North America
Oregon Native: YES
USDA Hardiness Zone: 4 – 9

Report by: Viki Ashford, AGC Member

Photo by: Matt Lavin / CC BY-SA (https://creativecommons.org/licenses/by-sa/2.0)

Oregon Native Plant: Rudbeckia hirta

Plant Name:  Rudbeckia hirta
Common name:  Black-eyed Susan
Plant Type:  Annual or Short-Lived Herbaceous Perennial
Plant Height: 2’ – 3’
Spread:  1’ – 2’
Bloom Time: June to September
Flower Color: Yellow to Orange-Yellow Rays with Dark Brown Centers
Exposure: Full Sun
Soil Requirements:  Well Drained; Moist & Organically Rich.
Water Needs: Medium;
Attributes:  Showy Flowers; Attracts Butterflies; Deer Tolerant; Drought Tolerant; Birds enjoy Ripe Seeds; Pollen & Nectar Source for Bees & Butterflies. 
Note: Usually a short lived perennial; deadhead to encourage additional blooms; at end of season let freely self seed; Susceptible to Powdery Mildew. 
Uses: Borders; Cottage Gardens; Wild Gardens; Mass Plantings.
Native to:  Most of North America
Oregon Native:   YES
USDA Hardiness Zone: 3 – 7

Report Viki Ashford

Photo by: Carlotta Lucas

Oregon Native Plant: Western Sword Fern

Plant Name:  Polystichum munitum
Common name: Western Sword Fern
Plant Type:  Evergreen Fern
Plant Height: 1.5’ – 5.5’
Spread: 2’ – 3’
Bloom Time: N/A
Flower Color:  N/A
Exposure: Full Shade to Part Shade
Soil Requirements:  Tolerates variety of soils with adequate moisture.
Water Needs: Weekly deep watering; drought tolerant once established.
Attributes:  Fronds live 1.5 – 2.5 years; hosts butterflies & moths; Deer Resistant.
Note: Cut back dead fronds.
Uses: Ground Cover; Beds & Borders; Woodland Garden.
Native to: Western North America
Oregon Native: YES
USDA Hardiness Zone:  6 – 8

Report by: Viki Ashford, AGC member, Master Gardener

Photo Credit: brewbooks from near Seattle, USA / CC BY-SA (https://creativecommons.org/licenses/by-sa/2.0) https://commons.wikimedia.org/wiki/File:Western_sword_fern_(Polystichum_munitum)-_Flickr-_brewbooks.jpg

Horticulture Report: Polystichum setiferum (Soft Shield Fern)

Plant Name:  Polystichum setiferum
Common name: Soft Shield Fern
Plant Type:  Evergreen Fern
Plant Height: 2’ – 3’
Spread: 2’ – 3’
Bloom Time: N/A
Flower Color: N/A
Exposure: Part Shade to Full Shade
Soil Requirements:  Fertile, Humusy, Well-Draining Soil.
Water Needs: Dry to Medium
Attributes:  Winter Interest; Stalks & Mid Ribs are covered with Cinnamon Color; Brown Scales; Deer Resistant.
Note: Plant Rhizome at Angel to Prevent Crown Rot; Cut Back Spent Fronds in late February or March.
Uses: Shaded Borders; Rock Gardens; Woodland Gardens; Wild Gardens; Containers
Native to:  Southwestern & Central Europe
Oregon Native:   NO
USDA Hardiness Zone:  6 – 8

Report by: Viki Ashford, AGC Member & Master Gardener

Photo Credit: Monrovia https://www.monrovia.com/plant-catalog/plants/1244/soft-shield-fern/

Sisyrinchium palmifolium (Palm-Leaf Yellow-Eyed Grass)

Plant Name: Sisyrinchium palmifolium
Common name: Palm-Leaf Yellow-Eyed Grass
Plant type: Herbaceous perennial
Height: Floral Stem 18-24” with 3-5 Flowers each, Leaf 20-24”
Spread: 8-12” Clump  
Bloom Time: May- June 
Flower Color: Bright yellow with a tinge of orange in the throat.
Exposure: Full Sun to Partial Shade
Soil Requirements: Well-drained; Rich
Water Needs:  Moist in the spring; Tolerates dry Conditions summer & fall.  
Attributes:  Bright Yellow Flowers; Hardy Perennial; Deer Resistant; Attracts Bees; Carefree; Blue-green Semi-Evergreen Foliage; Siberian Iris-like leaves
Note: Similar to West coast Native: Blue-eyed Grass (sisyrinchium augustiifolium) and California Native Yellow-Eyed Grass (sisyrinchium californicum).
Uses:  Cut Flowers; Deer Resistant Gardens; Perennial Gardens; Borders, Low-water gardens.       
Native to: South America: Argentina, Brazil, And Uruguay
Oregon Native:  NO
USDA Hardiness Zone: 7a-9b

Report and Photo by: Gena Goddard, AGC Member & Oregon State Flower Judge