Tag Archives: Butterfly Host Plants

Fire-wise & Native Plant: Red Osier Dogwood

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Plant Name: Cornus sericea
Common name: Red Osier Dogwood, Red Twig Dogwood
Plant type: Deciduous, Multi-Stem Shrub
Height: 6’ -9’
Spread: 7’ – 10’
Bloom Time: May, June
Flower Color: White
Exposure: Full Sun to Part Shade

Soil Requirements: Organically Rich
Water Needs: Medium to Wet
Attributes: Showy Flower; Good Fall Color; Winter Interest; Tolerates Deer; Clay & Wet Soil; Birds Attracted to White Fruits (Drupes); Attracts Waterfowl, Marsh & Shorebirds; Larval Host for Butterflies; Flowers Fragrant; Attracts Bees.

Note: Remove 20-25% of the oldest stems in early spring of each year to stimulate growth of new stems which will display the best color. Can be suckering; Susceptible to Leaf & Twig Blight, Powdery Mildew, Canker & Leaf Spot; Occasional Pests are Scale & Leaf Miners.

Uses: Hedge, Rain Garden; Wet Habitats; Pollinator Garden
Firewise: YES
Native To: North America except Deep South
Oregon Native: YES
USDA Hardiness Zone: 2a – 7b

 

Report by Viki Ashford & Carlotta Lucas, AGC Members

Photos by: Matt Lavin – Wikmedia Commons  https://commons.wikimedia.org/wiki/File:Cornus_sericea_-_red_osier_dogwood_-_53024871939.jpg

Oregon Native & Firewise Plant: Narrowleaf Milkweed

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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) 

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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: Arctostaphylos nevadensis

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Oregon Native & Firewise
Plant Name:  Arctostaphylos nevadensis       

                Pinemat Manzanita

Common name: Pinemat Manzanita
Plant type: Evergreen Shrub
Height: 1’ – 2’
Spread:   3’ – 5’
Bloom Time:  Spring, Summer, Winter
Flower Color: White
Exposure: Partial Shade
Soil Requirements: Acidic Soil; Fast Draining
Water Needs: Low; Don’t Irrigate Once Established

Attributes:  Supports Bees, Birds, Butterflies, Caterpillars, Hummingbirds; Pollen & Nectar for Native Bees; Nectar for Hummingbirds
Note:  Not easily established at low elevations
Uses:  Soil Stabilization; Ground Cover; Lawn Alternative; Rock Garden    

Arctostaphylos nevadensis

Firewise:  YES
Native to: Western North America
Oregon Native: YES
USDA Hardiness Zone: 5b – 9a

Report by: Viki Ashford, AGC Member

Photos from Oregon State University https://landscapeplants.oregonstate.edu/plants/arctostaphylos-nevadensis

Oregon Native & Firewise: Amelancier alnifolia

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Oregon Native Firewise Plant

Amelancier alnifolia

Plant Name: Amelancier alnifolia
Common name: Pacific serviceberry
Plant type: Deciduous Shrub/Tree
Height: 15’ – 30’
Spread:   15’ – 20’
Bloom Time:  Spring
Flower Color:  White
Exposure: Sun or Part Shade
Soil Requirements: Good Drainage; Sandy or Loamy
Water Needs: Irrigate 1x/Month after establishment

Attributes:  Easily Pruned to More Erect Form or Flatter, Rounder, Open Shape; Food Source Birds; Attracts Bats, Caterpillars, Larval Host for some Butterflies; Berries for Mammals; Shelter for Animals; Fragrant Flowers; Flavorful Edible Fruit used fresh or in baked goods

Note: Fruits in Summer; Fall Color Foliage; Root Suckering is Common; Diseases/Insects:  Rust, Leaf Spot, FireBlight, Powdery Mildew; Aphids, Thrips, Mites,

Uses:  Hedge; Pollinator Garden; Shrub Border; Woodland Gardens; Naturalized Areas
Native to: Some Canadian Provinces; Midwest to West United States
Oregon Native: YES
USDA Hardiness Zone: 2 – 7

Horticulture Report: Red Twig Dogwood

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Article by: Lynn Kunstman, Jackson County Oregon Master Gardener

Posted by: Carlotta Lucas, AGC Member