Fire-wise & Native Plant: Red Osier Dogwood

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

Horticulture Report – Western columbine

Native & Firewise Plant

Plant Name:  Aquilegia formosa

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

Common name: Western columbine
Plant type: Herbaceous Perennial
Height: 2’ – 3’
Spread:   1’
Bloom Time:  Late Spring to August
Flower Color:  Red, Yellow
Exposure: Full Sun to Deep Shade
Soil Requirements: Good Drainage, Organic Material
Water Needs: Low to Moderate; irrigate once a month once established
Attributes:  Nectar in Flower Blooms are appealing to Hummingbirds;
Seed Heads provide Bird Food; Deer Resistant; Supports Bats, Birds, Butterflies, Caterpillars
Note:  Self-sows, but Deadheading controls spread
Uses:  Containers; Native Plant Gardens; Pollinator Garden; Rock Garden
Firewise:  YES
Native to: Lower 48 state, Alaska, Canada
Oregon Native: YES
USDA Hardiness Zone: 3 – 9

Report by: Viki Ashford, AGC Member

Horticulture Report: Diabolo® Ninebark

Plant Name:  Physocarpus opulifolius ‘Diabolo®’
Common name: Ninebark ‘Diabolo®’
Plant Type: Deciduous Shrub
Plant Height: 4’ – 8’
Spread: 4’ – 8’
Bloom Time: May – June
Flower Color:  Pinkish White with Purple Leaves and Reddish Fruit.
Exposure:  Full Sun to Part Shade
Soil Requirements:  Tolerates many soil types.
Water Needs: Dry to Medium
Attributes:  Drought Tolerant; Bird Friendly
Note:  Prune immediately after bloom.
Uses: Hedge; Exfoliating Bark provides Winter Interest; Shrub Border.
Native to: North America
Oregon Native:  NO
USDA Hardiness Zone:  2 – 7

Report by: Viki Ashford, AGC Member & Master Gardener

Photo from: Monrovia  https://www.monrovia.com/plant-catalog/plants/1926/diabolo-ninebark/