Tag Archives: California Native Plant.

Native & Fire-wise: Curl Leaf Mountain Mahogany

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Plant Name: Cercocarpas ledifolius

Common name: Curl Leaf Mountain Mahogany

Plant type: Densely Branching Evergreen Shrub or Tree

Height: 7’ – 33’

Spread:  5’ – 10’
Bloom Time:  December – April

Flower Color:  Cream, White, Yellow

Exposure:  Full Sun to Part Shade

Soil Requirements:  Medium to Fast Soil Drainage; Rocky Soil.

Water Needs:  Low to Very Low; Drought Adapted.

Attributes:  Spicy Aroma; White Bark; Leaves Green on Top & Silvery Underneath; short, spiral, silver-haired seed plumes are eye-catching; Attracts Butterflies & Birds.

Note: Nitrogen Fixing; Resistant to Disease & Insects.

Uses: Hedge; Rock Garden; Erosion Control.

Fire-wise: YES

Native To:  Sierra Nevada, Cascades, Montana, Colorado

Oregon Native: YES

USDA Hardiness Zone:  5b – 9a

Article by: Viki Ashford, AGC Member

Photo Credit: https://landscapeplants.oregonstate.edu/plants/cercocarpus-ledifolius

Fire-wise & Native: Port Orford Cedar

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Plant Name: Chamaecyparis lawsoniana

Port Orford cedar (Chamaecyparis lawsoniana (A. Murray) Parl.) Photo by Gary A. Monroe, USDA-NRCS PLANTS Database 

Common name: Port Orford Cedar

Plant type: Conifer Evergreen Tree (not a true cedar)

Height: 110’ – 180’ (Note: this is a huge tree. It’s not recommended for residential landscapes) *See uses below.

Spread: 30’ – 60’

Bloom Time: Cones, Not Flowers

Flower Color: Inconspicuous; Female Cone Green to Blue-Green Ripening to Brown; Male Cones Dark Brown to Red

Exposure: Sun or Partial Shade

Soil Requirements: Well-Drained, Moist; High Organic Matter

Water Needs: High to Moderate

Attributes: Male Pollen Cones on Tips of Branchlets; Winter Interest; Deer Resistant; Nesting Places for Wildlife; Wildlife Food Source;

Note: Short Ascending Branches, Drooping at Tips; Narrow, Pyramidal, Buttressed Trunk;Being Attacked by a Root Rot Fungus, Phytophthora lateralis, Which is Devastating the Species in the US; Phytophthora lateralis is a fungus which has spread through the native range of this tree at a rapid rate. It causes an often-fatal root rot disease which poses a significant threat to the survival of the species; Dead Branches may be Pruned, but do not cut into Living Wood. Prune in Winter when Wood Boring Insects are Less active

*Uses: Huge tree that is infrequently grown in landscapes.! A large number of compact to dwarf cultivars of this species are available in commerce for ornamental plantings; Hedge

Firewise: Considered a Firewise plant but do not plant a Port Orford Cedar within 50 feet of your house or outbuildings.

Native To: Coast of Southwestern OR, Siskiyou Mountains, Mount Shasta

Oregon Native: YES

USDA Hardiness Zone: 5 – 8

Article by: Viki Ashford, AGC member

https://calscape.org/plant/Chamaecyparis-lawsoniana-%28Port-Orford-Cedar%29/gallery#

Fire-wise & Native: Fernbush Desert Sweet

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Plant Name: Chamaebatiaria millefoloim

Common name: Fernbush Desert Sweet

Plant type: Deciduous Shrub

Height: 3’ – 7’

Spread: 5’ – 6’

Bloom Time: Mid to Late Summer

Flower Color: White

Exposure: Full Sun to Part Sun

Soil Requirements: Well-Drained; Clay, Gravel, Loam, Sandy

Water Needs: Drought Resistant; Moderate Watering Until Established

Attributes: Sweetly Aromatic; Leaves are Fern-like Appearance; Showy Flowers; Fruiting in the fall, persistent in winter; Attracts Native Pollinators; Mature Stems Exhibit Cinnamon Sheen; Fast Growing; Attracts Caterpillars; Butterflies; Deer Tolerant

Note: Tolerates Shearing; Pruning Well; Shear in Early Winter; Routine Pruning to Remove Aging, Interior Branches, Increase Foliage Density
Uses: Hedge Border; Mixed Bed or Border; Foundation Plant

Firewise: YES, (check your local Firewise information for how far to plant from a structure)

Native To: East of Cascades; Sierra Nevada to Southern CA, Idaho, Nevada, Utah, Northern AZ, New Mexico

Oregon Native: YES

USDA Hardiness Zone: 4b – 10

 

 

Report by Viki Ashford, AGC member

Photo from Oregon State University    https://landscapeplants.oregonstate.edu/plants/chamaebatiaria-millefolium

Horticulture Report: Arbutus menziesii (Pacific madrone)

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        Oregon State University

Oregon Native & Firewise Plant   
Plant Name:  Arbutus menziesii
Common name: Pacific madrone
Plant type: Broadleaf Evergreen Tree
Height: 20’ – 65’
Spread:   5’ – 25’
Bloom Time:  Flowers in Spring; Berries in Fall
Flower Color: White
Exposure: Shade to Partial Shade; North Facing Slope

Walter Siegmund, CC BY-SA 3.0, via Wikimedia Commons

Soil Requirements: Fast to Medium Drainage; Tolerates Heavy Soil
Water Needs: Dry to Medium
Attributes:  Peeling Bark; Red Berries; Robins, Starlings, Band-tailed Pigeons Feed on Berries; Supports Bats, Butterflies, Caterpillars,                           Moths; Host to Brown Elfin Butterfly; Nectar for Hummingbirds; Winter Interest; Drought Tolerant
Note:  Slow Growing; Large Tree; Messy in the Garden due to Bark & Leaf Shedding; Pests are Phytophthora ramorum (Sudden Oak Death), Madrone Canker, Aphids, Leaf Miners
Uses:  Bank Stabilization; Hedge; Bird Gardens; Mixed Borders
Firewise:  YES
Native to: Pacific Northwest & California
Oregon Native: YES
USDA Hardiness Zone: 7 – 9

Report by: Viki Ashford, AGC Member

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