Tag Archives: perennials

Horticulture Report: Chives

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Plant Name:  Allium schoenoprasum

Common name:  Chives

Plant Type:  Perennial Bulb

Plant Height:  1’ – 1.5’

Plant Width:  1’ – 1.5’

Bloom Time: June – August

Flower Color: Pale Purple

Exposure: Full Sun to Part Shade.

Soil Requirements: Average, Medium, Well-Drained.

Water Needs:  Medium

Fire Resistant: YES – Zone 1 – Plant 10’+ from house.

Attributes:  Showy Flower with Fragrant Leaves; Deer/Drought Tolerant; Attracts Butterflies, Bees, Pollinators; Consistent performer

Uses: Herb; Herb/Vegetable Gardens; Rock Gardens; Containers.

Note:  Self seeds unless spent flowers are deadheaded; Harvest Leaves by clipping at base of plant; Root Rot may occur in poorly drained soil. 

Native to: Temperate Northern Hemisphere

Oregon Native:   YES

 USDA Hardiness Zone: 4 – 8

Chives

Report by: Viki Ashford, AGC Board Member

Photo by: Carlotta Lucas, AGC Board Member

Horticulture Report: Snow-in-Summer

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Plant Name:  Cerastium tomentosum
Common name: Snow-in-Summer
Plant Type:  Herbaceous Perennial Evergreen Groundcover
Plant Height:  6” – 12”
Plant Width:  2’ – 3’
Bloom Time:  Summer
Flower Color:  White
Exposure:  Full Sun
Soil Requirements: Dry, Sandy, Well-Draining Soil
Water Need:  Dry
Fire Resistant: YES; Plant 30’+ from house.
Attributes: Fast Growing; Silvery-Gray, Wooly Foliage; Deer Resistant; Showy Flowers; Drought Tolerant
Uses:  Rock Gardens; Border Edging; Cottage Garden; Bulb Cover; Hanging Basket.
Note: Spreads by Runners; Shear off flowers after bloom; Plants are Short-Lived
Native to: Italy; Sicily
Oregon Native:   NO
USDA Hardiness Zone: 3 – 7

Report by: Viki Ashford

Heron2 CC BY-SA 3.0 via Wikimedia Commons

Oregon Native: Siskiyou Iris

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Plant Name:  Iris bracteata
Common name:  Siskiyou Iris
Plant Type:  Perennial
Plant Height:  1’ 
Bloom Time: Spring &  Summer
Flower Color: Golden Yellow to Creamy White
Exposure:  Sun to Shade
Soil Requirements:  Prefers Sandy or Loamy Soil
Water Need:  Low to Medium
Attributes: Deer Resistant
Uses: Wildflower Gardens, Perennial Beds, Native Gardens, Woodland Gardens 
Note:  In the wild it grows in sunny to shady areas in dry pine forests or in sunny in meadow openings.
Native to:  California & Oregon
Oregon Native:  YES
USDA Hardiness Zone: 6 – 9

Report by: Viki Ashford, AGC Member/ Master Gardener

Photo by John McRae, U.S. Forest Service https://www.fs.fed.us/wildflowers/beauty/iris/Pacific_Coast/iris_bracteata.shtml

Oregon Native: Lanceleaf Coreopsis

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Plant Name:  Coreopsis lanceolota
Common name:  Lanceleaf Coreopsis
Plant Type:  Perennial
Plant Height:  1’ – 2.5’
Plant Width:  1’ – 1.5’
Bloom Time:  April – June
Flower Color:  Yellow
Exposure:  Sun to Part Shade
Soil Requirements: Sandy, Gravelly, Loam, Clay – all with good drainage.
Water Need:  Medium; Drought Tolerant
Firewise: Zone 1 score 8, plant 30 ft or more from a structure
Attributes: Attracts Pollinators; Good Cut Flower.
Uses:  Native Wildflower Gardens; Borders; Cottage/Cutting Garden.
Note:  Deadhead to maintain flowering into summer; selectively thin in the interior to improve appearance; Mulch.
Native to:  Most of North America
Oregon Native:  YES
USDA Hardiness Zone:  4 – 9

Report by: Viki Ashford and Carlotta Lucas, AGC Members

Photo by: Qwertzy2, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons

Today in the Garden: Hostas

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Long-lived perennials for shade and semi-shaded areas. Hostas come in a wide variety of sizes & textures. They are available as tiny plants only 8-inches tall to large plants as big a 4 feet clumps with 2 foot leaves. USDA Zones 3-9

Photo from Carlotta Lucas’ garden 5/7/21.

Viola pednuculata (California Golden Violet)

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Plant Name:  Viola pednuculata
Common name:  California Golden Violet
Plant Type:  Perennial
Plant Height:  1.3’
Bloom Time:  March – April
Flower Color: Yellow
Exposure:  Full Sun to Part Shade
Soil Requirements:  Rich Soil
Water Need: Moderate to High, but NO Water in summer.
Attributes: Insect Pollinators; Evergreen; Hosts Butterflies & Moths; Deer Resistant
Uses: Butterfly Garden; Pollinator Gardens, Native Garden, Perennial Gardens,  Waterwise Gardens, Wildflower Gardens
Native to:  California
Oregon Native:  NO
USDA Hardiness Zone:  7 – 10

Report by; Viki Ashford
Photo by: Joe Decruyenaere, CC BY-SA 2.0 <https://creativecommons.org/licenses/by-sa/2.0>, via Wikimedia Commons