Photo by Melody

PlantFiles: Lavender-leaf Sundrops
Calylophus hartwegii

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Family: Onagraceae (on-uh-GRAY-see-ee) (Info)
Genus: Calylophus (kal-ee-LOW-fus) (Info)
Species: hartwegii (hart-WEG-ee-eye) (Info)

Synonym:Calylophus hartwegii var. lavandulifolius
Synonym:Oenothera lavandulifolia

3 members have or want this plant for trade.

Category:
Perennials

Height:
12-18 in. (30-45 cm)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall
Blooms repeatedly

Foliage:
Silver/Gray

Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball

Seed Collecting:
Unknown - Tell us

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to view:

By frostweed
Thumbnail #1 of Calylophus hartwegii by frostweed

By Sheila_FW
Thumbnail #2 of Calylophus hartwegii by Sheila_FW

By Sheila_FW
Thumbnail #3 of Calylophus hartwegii by Sheila_FW

By ineedacupoftea
Thumbnail #4 of Calylophus hartwegii by ineedacupoftea

By ineedacupoftea
Thumbnail #5 of Calylophus hartwegii by ineedacupoftea

Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive krdixon On May 16, 2007, krdixon from Albuquerque, NM (Zone 7a) wrote:

This plant has grown to about three feet in diameter. It's one of the first bloomers in my garden and keeps yielding huge day-glow yellow flowers until late fall. It doesn't require much in the way of water, and has started volunteering around my garden (Albuquerque, NM).

Looks great trailing over walls and as a companion to lavender and sage.

Positive frostweed On Nov 30, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Lavender-leaf Sundrops Calylophus lavandulifolius is native to Texas and other States.

Positive lgreeno On Jun 15, 2004, lgreeno from Sierra Vista, AZ (Zone 8a) wrote:

GREAT PLANT
likes alkaline,fast draining soil
VERY drought tolerant (uses very little water)
Good for xeriscape
Give plenty of room

Regional...

This plant has been said to grow in the following regions:

Hereford, Arizona
Sierra Vista, Arizona
Albuquerque, New Mexico
Arlington, Texas
Colleyville, Texas
Fort Worth, Texas



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