Oregon Native & Firewise Plant: Narrowleaf Milkweed

Plant Name:  Asclepias fascicularis   
Common name: Narrowleaf Milkweed
Plant type: Deciduous Flowering Perennial
Height: 3’
Spread:  8” – 10”
Bloom Time:  Summer to Fall
Flower Color: Lavender, Pink, Greenish White
Exposure:  Full Sun
Soil Requirements: Good Drainage; Dry to Moist Soil; Grows in Clay Soil
Water Needs:  Low

Attributes:  Attracts Monarch Butterflies; Host Caterpillars; Attracts Native Bees, Bumble Bees; Predatory Insects; Monarch Butterflies lay eggs & larvae feed & mature into chrysalis; Deer Resistant; Drought Tolerant
Note: Open Seed Pods spill Plentiful Silky Hairs; Somewhat Toxic; Spreads by Rhizomes
Uses:  Native Gardens; Pollinator Gardens; Rock Gardens
Firewise:  YES
Native to: Western United States
Oregon Native: YES
USDA Hardiness Zone: 6a – 10b

Report by: Viki Ashford, AGC Member

Photo Credit: Eric Hunt, CC BY-SA 3.0 via Wikimedia Commons

Horticulture Report: Asclepias speciosa  (Showy Milkweed) 

Oregon Native & Firewise Plant
Plant Name:  Asclepias speciosa

Common name: Showy Milkweed
Plant type: Deciduous Herbaceous Perennial
Height: 6’
Spread:  4’
Bloom Time:  May – September
Flower Color: Pink, White, Purple
Exposure:  Full Sun
Soil Requirements: Dry, Well Drained
Water Needs:  Medium; Drought Tolerant
Attributes:  Attracts Hummingbirds, Monarch Butterflies, Birds; Adult Monarchs feed on Flower Nectar and Caterpillars Eat Leaves; Deer Resistant; Monarch Larval Host
Note: Spread by Underground Rhizomes
Uses:  Butterfly Garden; Borders; Rock Gardens; Native Gardens
Firewise:  YES
Native to: Midwest to West USA, & Canada
Oregon Native: YES
USDA Hardiness Zone: 3 – 9

Report by: Viki Ashford

Photo Credit: Vicki Watkins USA, CC BY 2.0, via Wikimedia Commons

Horticulture Report: Asarum caudatum, aka: Western Wild Ginger

Native Firewise Plant

Photo Credit: Robert Flogaus-Faust, CC BY-SA 3.0, via Wikimedia Commons

Plant Name:  Asarum caudatum

Common name: Western Wild Ginger

Plant type: Evergreen Herbaceous Perennial

Height: 1’

Spread:  6” – 1’6”
Bloom Time:  Spring

Flower Color: Brown Purple to Green Yellow

Exposure:  Full Shade

Soil Requirements: Good Drainage; High Organic Matter; Acidic

Water Needs:  Regular Water

Photo Credit: Walter Siegmund, CC BY-SA 3.0, via Wikimedia Commons

Attributes:  Ginger Aroma when Leaves Rubbed; Winter Interest;    Showy Flowers; Attracts Ants as Pollinators

Note:  Spreads by Rhizomes; Flowers are Unique Shape, but Hidden under Leaves

Uses:  Containers; Groundcover; Lawn Alternative; Rock Gardens;    Borders

Firewise:  YES

Native to: Western North America

Oregon Native: YES

USDA Hardiness Zone: 7 – 10

 

 

Report by: Viki Ashford, AGC Member

Horticulture Report: Indian Hemp Dogbane

Native Firewise Plant-

Plant Name:  Apocynum cannabinum

Common name: Indian Hemp Dogbane

Plant type: Herbaceous Perennial

Height: 3’ – 7’

Spread:   1.5’ – 2.5’
Bloom Time:  July – August

Flower Color:  Cream/White
Exposure: Sun to Partial Shade

Soil Requirements: Moist Sandy to Gravelly

Water Needs: Low to Moderate

Attributes:  Pollinated by Bees, Bumblebees, Butterflies, Flies, Beetles, Wasps, & Moths; Flowers are Hermaphrodite; Supports Bats, Butterflies, Caterpillars; Drought Tolerant

Note: All parts of the plant are Poisonous; it Contains a milky latex which may cause Skin Blisters; Invasive via spreading roots;

Uses:  Rain Gardens; Woodland Gardens; Butterfly Garden; Native Plant Garden; Erosion Control

Native to: NE United States & Canada

Oregon Native: YES

USDA Hardiness Zone: 4 – 9

Report by: Viki Ashford, AGC Member

Photo Credit: Thayne Tuason, CC BY 4.0 <https://creativecommons.org/licenses/by/4.0>, via Wikimedia

Native Shrubs for Southern Oregon

RED-FLOWERING CURRANT, (BLOOD CURRANT)

Ribes sanguineum Purch

Mid-height deciduous shrub, 3–9-feet with many upright stems from the base. Gray-green leaves. Blooms emerge before foliage with pendant red/pink flower clusters bloom in late winter. Shrub produces blue/black berries with waxy bloom in the summer.

This plant is a rapid grower and is drought tolerant. There is a selection of varieties flowering currants available in shades of red, pink, and white.

Habitat: Dry open woods, Forest edge, Slopes

Flowers attract hummingbirds, Berries attract birds.

PACIFIC, OR WESTERN, NINEBARK

Physocarpus capitatus (Pursh) Kuntze

Mid-height, multi-stemmed deciduous shrub to 8′-10’. Leaves resemble a maple tree leaves. Produces small white flowers in dense 2–3″ clusters in late spring. Plant turns a rose-brown color in the fall. Older stems have shredding bark.

Habitat: Best used in moist locations, along creeks & streams.

Ninebark Varieties:

Summer Wine – Bright red leaves when emerging, turning dark purple. Upright arching branches. Height 5.5 feet, same width. Exposure: Sun, part shade. USDA Hardiness Zone 2

Little Devil – Red stems with green and Red glossy leaves – Height 3.5 feet, same width. Exposure: Sun, part shade. USDA Hardiness Zone 2

Diablo : Dusky dark purple leaves turn red in autumn. Upright and arching shape. Height 8-10 ft, same width. Exposure: sun, part shade. USDA Hardiness Zone 2

Dart Gold: Bright gold new leaves, sometimes tinged with red. Chartreuse color in the shadowed center of the plant. Grows in an upright fountain shape. Grows to 5-ft , same width. Exposure: part shade. USDA Hardiness Zone 2

Amer Jubilee: New leaves are a glowing orange and gold, with touches of purple. Growth is upright rounded shape. Height 5.5ft, Width 4 to 5 feet. Exposure: Sun, part shade. USDA Hardiness Zone 2

by Carlotta Lucas, AGC Member

Organic & Native: What, Why & How

January 2023 Presentation by:  Kristina Lefever, AGC Member & President Pollinator Project Rogue Valley

https://www.pollinatorprojectroguevalley.org/

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