January 2023 Presentation by: Kristina Lefever, AGC Member & President Pollinator Project Rogue Valley
https://www.pollinatorprojectroguevalley.org/
January 2023 Presentation by: Kristina Lefever, AGC Member & President Pollinator Project Rogue Valley
https://www.pollinatorprojectroguevalley.org/
Plant Name: Aristolochia californica
Common name: Dutchman’s Pipe
Plant type: Deciduous Vine
Height: 10- 15 (up to 20 feet), plant requires a trellis, or other vertical support.
Bloom Time: Later winter/Early Spring
Flower Color: Flowers are pale Green with dark maroon veins. Flowers are shaped like curved pipes with a flared bowl.
Exposure: Part Shade
Soil Requirements: Tolerates most soils
Water Needs: Somewhat drought tolerant, but likes moisture areas; in nature is grows in moist wooded areas, alongside creeks and streams.
Attributes:
Heart-shaped leaves on woody stems. Musty odious flowers attract carrion-feeding flies & gnats for pollination; insects eventually escape after plant attaches pollen to them. Plant is host for native Pipevine Swallowtail Butterfly (Battus philenor). Aristolochia californica is the only food source of the Pipevine Swallowtail! Dutchman ’s Pipe provides habitat for other beneficial insects.
Firewise: Unable to determine
Native to: Sacramento Valley, Northern Sierra Nevada foothills, San Francisco Bay Area, Northern Inner California Coast Ranges, Southeastern Klamath Mountains
USDA Hardiness Zone: 8 -10
Report by: Carlotta Lucas, AGC Member
Photo of Flowers By: peganum from Small Dole, England – Aristolochia californica, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=47474436
Photo of Pipevine Swallowtail caterpillar by: Joanie Kintscher, AGC Member & Past President
Plant Name: Arctostaphylos patula
Common name: Greenleaf Manzanita
Plant type: Shrub
Height: 3.3’ – 7’
Spread: 6’ – 9’
Bloom Time: Winter – Spring
Flower Color: White, Pink
Exposure: Full Sun to Part Shade
Soil Requirements: Fast Draining; Slightly Acidic.
Water Needs: Low; Deep Moisture.
Attributes: Insects Attracted to Flowers Including Native Bees; Birds Attracted to Fruits; Hosts Butterflies & Moths; Nectar Source.
Firewise: YES; One of the Few Manzanitas That Are Fire-Resistant.
Note: Slow Growing; Tolerates Very Cold Temperatures.
Uses: Hedges; Bird & Hummingbird Gardens; Bee Gardens; Erosion Control.
Native to: Sierra Nevadas/North Coast Range California/Oregon/Washington; Parts of Arizona/Colorado.
Oregon Native: YES
USDA Hardiness Zone: 5b – 9b
Article by: Viki Ashford, AGC Member, Master Gardener
Photo courtesy of Pat Breen, Oregon State University
Plant Name: Ratibida columnifera
Common name: Prairie Coneflower or Mexican Hat
Plant Type: Herbaceous Perennial
Plant Height: 18” – 24”
Plant Width: 12” – 24”
Bloom Time: July – October
Flower Color: Yellow or Red with Distinct Tall Center.
Exposure: Full Sun
Soil Requirements: Dry to Moist Well-Drained; Loamy/Sandy.
Water Needs: Medium
Fire Resistant: YES; Zone 2 – Plant 40’+ from House.
Attributes: Drought Tolerant; Deer Resistant; Long Bloom Season; Nectar for Bees, Butterflies, Insects; Seeds for Birds.
Uses: Sunny Borders; Rock Gardens; Native Plant Gardens; Containers.
Native to: Most of North America, but NOT Oregon
Oregon Native: NO
USDA Hardiness Zone: 4 – 9
Report by: Viki Ashford, AGC Member/Master Gardener
Photo courtesy of: Stickpen, Public domain, via Wikimedia Commons
Plant Name: Aquilegia species
Common name: Columbine
Plant Type: Perennial
Plant Height: 10” – 36”
Plant Width: 10” – 12”
Bloom Time: May – July
Flower Color: Multicolor
Exposure: Full Sun to Partial Shade
Soil Requirements: Clay, Loam, Sand
Water Needs: Average
Fire Resistant: YES; Zone 8 = Plant 30’+ from house.
Attributes: Good Cut Flower; Showy; Deer Resistant; Attracts Bees, Butterflies, Hummingbirds; Many Colorful Hybrid Varieties.
Uses: Borders; Containers; Rock Gardens; Cottage Gardens; Native Gardens.
Note: Remove spent flowers to prolong blooming; Self-seeds Prolifically; Prone to Powdery Mildew & Leaf Miners.
Native to: Northern Hemisphere
Oregon Native: YES
USDA Hardiness Zone: 3 – 9
Report by: Viki Ashford, AGC Board Member
Photos by: Carlotta Lucas, AGC Board Member
Plant Name: Sedum species
Common name: Sedum or Stonecrops
Plant Type: Perennial Succulent
Plant Height: 2” – 12”; Varies Depending on Varieties: Ground Cover Level to Upright
Plant Width: 6” – 24”
Bloom Time: Summer, Fall
Flower Color: Pink, Red, White, Yellow (Depends on Variety)
Exposure: Full Sun to Part Sun
Soil Requirements: Loamy, Sandy, Well Draining.
Water Need: Low; Drought Tolerant Once Established.
Fire Resistant: YES; 10” or more from house.
Attributes: Attracts Birds/Butterflies; Foliage in Shades of Green to Blue/Chartreuse to Pink; Deer Resistant
Uses: Rock Garden; Edging; Containers, Smaller varieties ground cover.
Note: Deadhead After Flowering to Maintain Shape & Size; or Leave Attractive Seed Heads for Winter Interest; Subject to Mealybugs, Scale, Slugs/Snails, Powdery Mildew.
Native to: Eastern United States
Oregon Native: Some varieties of Sedum spathulifolium and other broadleaf stonecrop are native to Oregon
USDA Hardiness Zone: 3 – 10



Report by: Viki Ashford, AGC Member
Autumn Joy Sedum and Broad-Leaf Sedum Photos by: Carlotta Lucas, AGC Member
Sedum oreganum (Yellow flowers) photo by: Stan Shebs https://calscape.org/loc-california/Sedum%20oreganum()