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: Polygala fruticosa

Plant Name:  Polygala fruticosa
Common name: Dwarf Sweet-Pea Bush
Plant type: Evergreen Shrub
Height: 3 feet
Spread:   3 feet
Bloom Time:  Spring-Summer
Flower Color:
Vibrant, purple-magenta, pea-like flowers
Sun Exposure:
Full Sun to Part Sun (4-6 hours)
Soil Requirements:
Well-drained, humus-rich soil
Water Needs:
Moderate
Attributes:   Green-Gray Foliage, Attracts Pollinators, Nectar-rich flowers
Firewise:  Status unknown
Note:  Only Hardy above 20 o, NOT a perennial in areas where temperatures drops below 20o, but in Zone 8A it will typically recover.
Uses:  Flowers for Cutting, Long Bloom Season, Repeat Flowering, Showy Flowers, Container Plant, Perennial Garden, Cottage Garden,  Wildlife & Pollinator Gardens
Native to: South Africa
Oregon Native:   NO
USDA Hardiness Zones: 9-10

Photo by: Joanie Kintscher, Past President AGC

Report by: Carlotta Lucas, AGC Board Member

Firewise Plant: Lilies

Plant Name: Lilium species
Common name: Lilies
Plant Type: Herbaceous Bulb
Plant Height: 1’ – 4’
Plant Width:12” – 2’
Bloom Time: Late Spring to Early Autumn
Flower Color: Range of Colors: White/Yellow/Orange/Pink/Red/Purple
Exposure: Blooms in the Sun; Bulbs in the Shade.
Soil Requirements: Good Drainage; Moderately Acidic.
Water Needs: Moderate
Fire Resistant:YES; Zone 1 – Plant 10+ feet from Structure
Attributes: Good Cut Flower; Attracts Large Pollinators; Fragrant.
Uses: Herbaceous Border; Container.
Note: Plant Twice as Deep as the Height of the Bulb.
Native to: Old World; New World
Oregon Native: YES
USDA Hardiness Zone: 3 – 8

Report by: Viki Ashford, AGC Member/Master Gardener

Photos by: Carlotta Lucas, AGC Member

Western Wild Ginger

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/>

Horticulture Report: Spaeralcea ambigua (Apricot Mallow)

Plant Name: Spaeralcea ambigua
Common name:  Apricot Mallow, Desert Globemallow
Plant Type:  Perennial Shrub
Plant Height:  3’ – 5’
Plant Width:  2’ – 4’
Bloom Time:  Spring
Flower Color:  Apricot or Dark Orange
Exposure: Full Sun
Soil Requirements:  Grows well in most well-draining soils.
Water Needs: Extremely Low
Attributes: Attracts Bees and Butterflies. Adored by Hummingbirds!
Note:  Good Pruning after bloom keeps plant from becoming woody; Easily Reseeds.
Uses: Xeriscape “Gardens; Cottage & Mediterranean Gardens; Rock Gardens.
Native to:  Arizona, California, Nevada, New Mexico, Utah
Oregon Native:   NO
USDA Hardiness Zone: 4 – 10

Report: Viki Ashford, AGC member

June 28, 2020 Today in the Garden

Himalayan Cinquefoil, Crocosmia ‘Lucifer’, Daylily, Geranium macrorrhizum

Photos by: Carlotta Lucas, AGC Member