Horticulture Report – Western columbine

Native & Firewise Plant

Plant Name:  Aquilegia formosa

Photo by: Walter Siegmund, CC BY-SA 3.0 via Wikimedia Commons

Common name: Western columbine
Plant type: Herbaceous Perennial
Height: 2’ – 3’
Spread:   1’
Bloom Time:  Late Spring to August
Flower Color:  Red, Yellow
Exposure: Full Sun to Deep Shade
Soil Requirements: Good Drainage, Organic Material
Water Needs: Low to Moderate; irrigate once a month once established
Attributes:  Nectar in Flower Blooms are appealing to Hummingbirds;
Seed Heads provide Bird Food; Deer Resistant; Supports Bats, Birds, Butterflies, Caterpillars
Note:  Self-sows, but Deadheading controls spread
Uses:  Containers; Native Plant Gardens; Pollinator Garden; Rock Garden
Firewise:  YES
Native to: Lower 48 state, Alaska, Canada
Oregon Native: YES
USDA Hardiness Zone: 3 – 9

Report by: Viki Ashford, AGC Member

Horticulture Report: Allium acuminatum

Plant Name: Allium acuminatum
Common Name:  Hooker’s onion
Plant type : Deciduous Perennial Herb
Height: 0’ – 2’
Spread: 0’ – 1’
Bloom Time: May – July
Flower Color: Purple, White, Pin
Exposure: Sun to Part Shade
Soil Requirements: Dry, well-drained; sandy/loamy
Water Needs: Occasional Summer Water
Attributes: Bulblets reproduce easily; strong onion smell; deer resistant; attracts pollinators: bats, butterflies, birds; nectar source for butterflies
Note: Flowers appear on long stalks after leaves have died; goes dormant in summer after going to seed
Uses: Rock Garden; Dry Open Meadows; Habitat Restoration; Green Roof
Native to:  Western United States
Oregon Native: YES
USDA Hardiness Zone 5 – 9