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PlantFiles: Shrubby Sundrops, Narrow-leaf Evening Primrose
Kneiffia fruticosa

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Family: Onagraceae (on-uh-GRAY-see-ee) (Info)
Genus: Kneiffia
Species: fruticosa (froo-tih-KOH-suh) (Info)

Synonym:Oenothera fruticosa

4 vendors have this plant for sale.

5 members have or want this plant for trade.

Category:
Perennials

Height:
18-24 in. (45-60 cm)

Spacing:
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

Hardiness:
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
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)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer

Foliage:
Herbaceous

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
5.6 to 6.0 (acidic)
7.9 to 8.5 (alkaline)

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball
From seed; direct sow outdoors in fall

Seed Collecting:
Unknown - Tell us

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to view:

By TuttiFrutti
Thumbnail #1 of Kneiffia fruticosa by TuttiFrutti

By jnn
Thumbnail #2 of Kneiffia fruticosa by jnn

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral dicentra63 On Jun 28, 2007, dicentra63 from West Valley City, UT (Zone 6b) wrote:

Despite the fact that its cousins are natives to Utah, my specimen lived for only two seasons, bloomed weakly, then failed to emerge.

Positive cadnil On Jun 9, 2004, cadnil from Joliet, IL wrote:

In northern Illinois, this plant blooms for 2 weeks in June and is beautiful. It spreads freely, but I contain mine easily within a ring of plastic garden edging.

Regional...

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

,
Joliet, Illinois
Patriot, Indiana
Pikesville, Maryland
Pinconning, Michigan
Minneapolis, Minnesota
Littleton, New Hampshire
Frenchtown, New Jersey
Chapel Hill, North Carolina
Waynesville, North Carolina
Salt Lake City, Utah
Lynchburg, Virginia
Spokane, Washington



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