Tag Archives: Herbaceous perennials

Cooper’s Hardy Purple Iceplant

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Plant Name:  Delosperma cooperi
Common name: Cooper’s Hardy Purple Iceplant
Plant Type:  Herbaceous Perennial Groundcover Succulent
Plant Height:  1” – 4”
Plant Width:  24” – 30”
Bloom Time:  June – September
Flower Color: Magenta Pink to Purple
Exposure:  Full Sun
Soil Requirements: Sharply Draining Soil; Sandy/Gravelly.
Water Need:  Dry
Fire Resistant: YES; Zone 1 – 10’+ from house.
Attributes: Showy Flowers, Purplish Red in Winter; Tolerates Drought; Deer Resistant; Attractive to Butterflies; Bee Friendly.
Uses:  Rock Garden; Ground cover; Front of the Border; Containers.
Native to: Southern Africa
Oregon Native: NO
USDA Hardiness Zone: 5 – 10

 

Report by: Viki Ashford and Carlotta Lucas

Photo Credit: https://www.highcountrygardens.com/perennial-plants/delosperma/delosperma-cooperi-coopers-hardy-ice-plant

Oregon Native: Dutchman’s Breeches

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Plant Name:  Dicentra cucullaria
Common name:  Dutchman’s Breeches
Plant Type:  Herbaceous Perennial
Plant Height:  .5’ – 1’
Plant Width:  .5’ – 1’
Bloom Time:  March – May
Flower Color:  2 Outer Petals are White; 2 Inner Petals are Yellow
Exposure:  Part Shade to Full Shade
Soil Requirements: Rich, Moist, Humusy, Well-Draining Soil; Tolerates Clay Soil.
Water Need:  Medium
Firewise: YES
Attributes: Showy Flowers; Nectar Attracts Bees.
Uses:  Native & Wildflower Gardens; Shade Garden.
Note:  Some Susceptibility to Aphid Infestation; Plant Goes Dormant in Early Summer; All Parts Poisonous.
Native to:  Central & Eastern North America, Idaho, Oregon, Washington
Oregon Native:   YES
USDA Hardiness Zone:  3 – 7

Report by: Viki Ashford

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

Posted by: Carlotta Lucas, AGC Board Member

Oregon Native: Pacific Bleeding Heart

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Plant Name:  Dicentra formosa
Common name:  Pacific Bleeding Heart
Plant Type:  Herbaceous Perennial
Plant Height:  6” – 18”
Plant Width:  3’
Bloom Time:  March – July
Flower Color:  Pink
Exposure: Sun, Part Shade, Shade
Soil Requirements: Moist, Well-Drained, Humus Soil.
Water Need:  Low
Fire Resistance: Score 10 (Good). Plant Zone 1 within 10 feet of structures
Attributes: Attracts Hummingbirds; Conspicuous Flowers; Food Plant for Butterfly Larvae; Deer Resistant.
Uses:  Accent Plant; Ground cover; Cottage Garden; Beds & Borders, Pollinator Gardens, Native Landscapes, Firewise Landscapes.
Note:  Keep Mulched with Decaying Humus; Extensive Rhizome System; All Plant Parts Poisonous. Deadheading Extends Bloom; May Go dormant in summer after flowering, Re-appears in fall to flower again.
Native to:  Western North America
Oregon Native:  YES
USDA Hardiness Zone:  3 – 9

Report by: Viki Ashford and Carlotta Lucas

Photo by: brewbooks from near Seattle, USA, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, 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/>

Scabiosa ( Pincushion Flowers)

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Plant Name:  Scabiosa
Common name: Pincushion
Plant Type:  Herbaceous Perennial
Plant Height: 1’ – 1.5’
Plant Width:  1’ – 1.5’
Bloom Time:  April to Frost
Flower Color:  Lavender Blue
Exposure: Full Sun
Soil Requirements:  Average, Medium, Well-Drained.
Water Needs:  Medium
Attributes: Showy Flower; Attracts Butterflies; Deer Resistant; Drought Tolerant
Note: Remove Spent Flowers to Encourage More Bloom; Watch for Aphids, White Flies, Powdery Mildew.  80 species of annuals, biennials and perennials primarily from the Mediterranean region 
Uses: Massing in Border Fronts; Cottage Garden, Perennial Gardens, Cut flowers, Mediterranean Garden
Native to:  Mediterranean, Africa, Asia
Oregon Native:   NO
USDA Hardiness Zone: 5 – 9

Report by: Viki Ashford, AGC Member, Master Gardener

Photo by: http://www.missouribotanicalgarden.org

Bloodroot (Sanguinaria canadensis)

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Plant Name:  Sanguinaria canadensis
Common name: Bloodroot
Plant Type:  Herbaceous Perennial
Plant Height: 6” – 9”
Plant Width:  3” – 6”
Bloom Time:  March to April
Flower Color:  White Flower with Yellow Stamens.
Exposure: Part Shade to Full Shade
Soil Requirements:  Moist, Humusy, Well-Drained.
Water Needs:  Medium
Attributes:  Showy Flower, but Short Lived, & Close at Night; Tolerates Drought & Dry Soil; Early Spring Bee & Fly Pollinator.
Note: Goes Dormant in Mid to Late Summer; All Parts of Plant Exude Orange-Red Sap when Cut; Poisonous Characteristics.
Uses: Naturalize; Rock & Wildflower Gardens.
Native to:  Eastern & Central North America
Oregon Native:  NO
USDA Hardiness Zone: 3 – 8

Report by: Viki Ashford AGC Member, Master Gardener

Photo from: UpstateNYer / CC BY-SA (https://creativecommons.org/licenses/by-sa/3.0)