Horticulture Report: Sempervivum

Plant Name:  Sempervivum species
Common name:  Hens & Chicks
Plant Type:  Succulent
Plant Height:  2” – 6”
Plant Width:  6” – 10”
Bloom Time: June – August
Flower Color: Pink
Exposure: Full to Part Sun
Soil Requirements: Well-Drained Sandy or Gravelly Soil.
Water Need:  Low
Fire Resistant: YES; Grow 10’+ from house.
Attributes: Wide Variety of Foliage Colors; Deer Resistant; Year Round Interest
Uses:  Rock Walls; Rock Gardens; Succulent Gardens; Edging
Note:  Parent Plant Produces Flowers & Smaller Plants (or chicks); Plant Dies After Flowering Thus Offsets; >
Native to: Southern Europe/Western Asia
Oregon Native:  NO
USDA Hardiness Zone: 4 – 10

Report by: Viki Ashford, AGC Member

Photos by: Carlotta Lucas, AGC Member

Delosperma nubigenum, Yellow Ice Plant

Plant Name:  Delosperma nubigenum
Common name: Yellow Iceplant
Plant Type:  Evergreen Ground Cover Succulent
Plant Height:  1” – 3”
Plant Width:  24” – 30”
Bloom Time:  June – September
Flower Color:  Yellow
Exposure:  Full Sun
Soil Requirements: Average Soil; Good Drainage is Essential
Water Need:  Dry to Medium
Fire Resistant: YES; Zone 1 – 10’+ from house.
Attributes: Showy Yellow Flowers, Winter Interest of Reddish Bronze Foliage; Drought Tolerant; Deer Resistant; Attracts Butterflies & Hummingbirds
Uses:  Rock Gardens; Ground Cover; Containers; Front of the Border
Native to: South Africa
Oregon Native:  NO
USDA Hardiness Zone: 4 – 10

Report by Viki Ashford, AGC Member & Master Gardener

Photo from: Washington State University Clark County Extension http://www.pnwplants.wsu.edu/PlantDisplay.aspx?PlantID=447

Cooper’s Hardy Purple Iceplant

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: Kinnikinnick

Plant Name:  Archtostaphylos uva ursi
Common name:  Kinnikinnick
Plant Type:  Trailing Evergreen Shrub
Plant Height:  6” – 12”
Plant Width:  10’
Bloom Time:  March – June
Flower Color:  Pink to White
Exposure: Sun to Partial Shade
Soil Requirements: Rocky, Sandy, Acidic Soil
Water Need:  Low
Fire Resistant: YES
Attributes: Red Berries Succeed Through Winter; Reddish-Purple Fall Color; Papery, Reddish, Exfoliating Bark; Attracts Butterflies, Hummingbirds, & Other Birds; Larval Host for Butterflies & Moths; Drought Tolerant; Deer Resistant
Uses:  Large Scale Groundcover with Year-round Interest; Control Soil Erosion; Border Margin; Native Plant Garden; Rock Garden
Note:  Slow Growing; Trailing Stems Send Out Small Roots;
Native to: Almost All of North America
Oregon Native: YES
USDA Hardiness Zone:  2 – 6

Report by: Viki Ashford, AGC Member, Master Gardener

Posted by: Carlotta Lucas

Horticulture Report: Ajuga reptans

Plant Name: Ajuga reptans
Common name:  Carpet Bugleweed
Plant Type:  Herbaceous Perennial
Plant Height:  .5’ – .75’
Plant Width:  .5’ – 1’
Bloom Time:  May to June
Flower Color:  Blue
Exposure: Full Sun to Part Shade
Soil Requirements: Moist/Humusy/Well-Drained Soil.
Water Need:  Medium
Firewise: Yes; locate 30’+ from home
Attributes: Showy Flower/Colorful Leaves; Deer Resistant; Attracts Bees, Hummingbirds, Songbirds
Uses:  Groundcover; Containers; Rock Gardens; Spring Bulb Cover.
Note:  Cut Back to Ground after Flowering; Spreads by Stolons.
Native to:  Europe, North Africa, SW Asia
Oregon Native:  NO
USDA Hardiness Zone:  3 – 10

Report by: Viki Ashford

Posted by: Carlotta Lucas

Oregon Native: Cornus sericea ( Red Twig Dogwood)

Plant Name:  Cornus sericea
Common name:  Red Twig Dogwood
Plant Type:  Deciduous Shrub
Plant Height:  6’ – 9’
Plant Width:  8’ – 12’
Bloom Time:  May – June
Flower Color: White
Exposure:  Full Sun to Part Shade
Soil Requirements:  Tolerates Clay Soil; Organically Rich, Fertile, Moist Soil.
Water Need: Medium to Wet
Attributes: Showy Flowers; Good Fall Color; Attracts/Hosts Birds/Butterflies; Winter Interest; Deer Resistant;
Larval Host to Spring Azure.
Firewise: Score 5, Plant 60 feet from structures
Uses: Hedge; Rain Garden; Shrub Border; Bird/Butterfly Gardens.
Note:  Suckering Roots; Remove 20-25% of oldest stems in spring to stimulate new, best color growth; Susceptible to Leaf & Twig Blight/Canker & Leaf Spot.
Native to:  North America
Oregon Native:  YES
USDA Hardiness Zone:  3 – 8

Report by: Viki Ashford and Carlotta Lucas

Photo one by: Smith, R.W.