Tag Archives: Plants for Rock Gardens

Horticulture Report: Creeping Thyme

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Plant Name:  Thymus praecox
Common name:  Creeping Thyme
Plant Type:  Groundcover
Plant Height:  1” – 4”
Plant Width:  6” – 18”
Bloom Time: May – August
Flower Color: Pink White, Purple
Exposure: Full Sun to Part Shade
Soil Requirements: Average, Dry – Medium, Well-Drained; Tolerates Rocky or Poor Soil.
Water Need:  Drought Tolerant Once Established
Fire Resistant: YES.  Plant 30’+ from house.
Attributes:  Leaves in Shades of Light to Dark Green Yellow, or Variegated; Deer Resistant; Attracts Bees/Butterflies.
Uses: Rock Walls; Between Pavers; Rock Garden; Path Edging.
Note:  Cut Back Stems to Maintain Plant Appearance; Susceptible to Root Rot in Poor Draining Soils.
Native to: SW & Central Europe; Greenland; Turkey
Oregon Native:  NO
USDA Hardiness Zone: 4 – 10

Report by: Viki Ashford, AGC Member

Photo Credit: Jason Hollinger, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons

Cooper’s Hardy Purple Iceplant

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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: Antennaria rosea (Pink Pussy Toes)

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Plant Name:  Antennaria rosea
Common name:  Pink Pussy Toes
Plant Type:  Evergreen Groundcover
Plant Height:  .33’ – 1.3’
Plant Width: 8’ – 12’
Bloom Time:  June – August
Flower Color:  Cream to Pink to Red
Exposure: Full Sun
Soil Requirements: Dry, Good Draining Soil.
Water Need:  Low
Firewise: Yes, 30’ from house
Attributes: Host Plant for Caterpillars & Moths; Attracts Bees & Butterflies.
Uses:  Native Wildflower Groundcover; Butterfly & Pollinator Gardens; Rock Garden.
Native to:  Western US, Great Plains, Alaska
Oregon Native: YES
USDA Hardiness Zone:  4 – 7

Report by: Viki Ashford, AGC Member, Master Gardener

Photo Credit: Meneerke bloem, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons

Post by: Carlotta Lucas, AGC Board Member

Oregon Native: Kinnikinnick

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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

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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: Iris chrysophylla

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Plant Name:  Iris chrysophylla
Common name:  Yellow Leaf Iris
Plant Type:  Perennial
Plant Height:  1.2” – 8.4”
Plant Width:  Narrow
Bloom Time: April – June
Flower Color: Creamy White to Pale Yellow
Exposure:  Sun to Part Shade
Soil Requirements:  Acidic Soil with Good Drainage
Water Need: Low
Attributes: Deer Resistant; Drought Tolerant; Attracts Beneficial Insects.
Fire Resistance: Score 10 (Good). Plant 10 ft of structures.
Uses: Native Landscapes, Rock Gardens, Perennial beds, Pollinator Gardens, Wildlife Habitats
Note:  Divide & Transplant in October
Native to:  NW California & Western Oregon
Oregon Native:  YES
 USDA Hardiness Zone: 4 – 9

Report by: Viki Ashford and Carlotta Lucas

Photo from: Klamath Siskiyou Seeds https://klamathsiskiyouseeds.com/product/iris-chrysophylla-yellowleaf-iris/