Horticulture Report: Dutchman’s Pipe

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

Western Orange Trumpet Honeysuckle

Plant Name:  Lonicera ciliosa
Common name:  Western Orange Trumpet Honeysuckle
Plant Type:  Deciduous Vine
Plant Height:  10’ – 30’
Spread: 30’
Bloom Time: Late Spring
Flower Color:  Orange Red Yellow; Orange-Red Berries
Exposure: Sun to Partial Shade
Soil Requirements:  Moist with Medium Drainage, not dry.
Water Needs: Regular
Attributes:  Hosts Butterflies & Moths, The orange-red berries are eaten by a variety of birds including robins, juncos, flickers, and finches; although not a favorite.
Note:  Check curled leaves for aphids & spray undersides with water.
Uses:  Trellis,  Hedge, Bird Garden, Host Gardens, Native Gardens
Native to:  British Columbia to California (west of Cascades)
Oregon Native: YES
USDA Hardiness Zone: 5a-9b

Report submitted by: Viki Ashford

Duchess of Edinburgh Clematis

A large-flowered variety; 4″-6″ white double rosettes with a pale green tint. Blooms May-June.  Height – 8-12 ft. Deadhead after first wave of blooms to promote new blooms. Often re-blooms in late summer. Plant clematis in full sun or part shade. Requires moist well-drained soil, and a trellis or arbor for support. Clematis’ needs their roots shaded, so plants other plants at its feet or cover the soil with small stones.  USDA Zones 4-8.

 

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Horticulture Report: Cobaea scandens

Plant Name: Cobaea sandenscobaea-scandens
Common Name:  Cup & Saucer Vine
Family:
Polemoniaceae
Plant type:  Sub-tropical Vine  (annual below zone 9)
Height:   10-25 feet
Bloom Time:
Seasonal (In a greenhouse it flowers year round)
Flower Color: Violet or White
Exposure:  
Full Sun
Soil Requirements: Rich, moist, good drainage
Water Needs: Medium
Attributes:
Showy Bell Flowers, Fragrant, Attracts Hummingbirds & Butterflies
Note:
Mexico native, flowers last 4 days, Circa 1828 ~ RHS Award of Garden Merit
Start seeds indoors 8-10 weeks before last frost.
Uses:
Garden wall, Fence and Trellis plant, Container plant with adequate support,
USDA Zone:
9-11

Check your local nurseries and garden center for seeds and/or plants.

Available online at:

Annie’s Annuals http://www.anniesannuals.com/plants/view/?id=269

Select Seeds Seeds & Plants : http://www.selectseeds.com/heirloom-ines/cup_and_saucer_vine_plants.aspx

Seeds: J.L. Hudson, Seedsman http://www.jlhudsonseeds.net/SeedlistCN-CZ.htm

Grandpa Ott’s Morning Glory

Ipomoea purpurea  (Grandpa Ott’s Morning Glory)

Plant Type: Annual (twinning vine)OLYMPUS DIGITAL CAMERA
Sowing Method: Direct sow seeds in spring (first soak seed in warm water for 24 hrs, then nick the seed)
Bloom Time: Summer until frost – 12 weeks
Flower: Royal purple trumpet with deep pink “star”.
Plant Height: 13-15 feet
Exposure: Full Sun
Soil: Average well drained soil
Attributes: Attracts Humming Birds, Hardy, Easy to Grow, Re-seeds freely, Covers fence or trellis in a profusion of lovely flowers.
USDA Zones: 3-10

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