Photo by Melody

PlantFiles: White Buttercup, Pale Evening Primrose
Oenothera pallida var. runcinata

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Family: Onagraceae (on-uh-GRAY-see-ee) (Info)
Genus: Oenothera (ee-no-THEE-ruh) (Info)
Species: pallida var. runcinata

Synonym:Oenothera pallida subsp. runcinata
Synonym:Oenothera runcinata
Synonym:Oenothera albicaulis var. runcinata

7 members have or want this plant for trade.

Category:
Annuals
Perennials

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Hardiness:
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Pink
White/Near White

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

Foliage:
Herbaceous
Blue-Green

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

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; sow indoors before last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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to view:

By htop
Thumbnail #1 of Oenothera pallida var. runcinata by htop

By htop
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By jperilloux
Thumbnail #3 of Oenothera pallida var. runcinata by jperilloux

Profile:

1 positive
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Archena On Mar 12, 2007, Archena from Thomaston, AL wrote:

I've always loved this plant. It grows wild throughout the Black Belt of Alabama, often filling up medians and roadsides. I have a patch in my yard that requires no work whatsoever. It's been there ten years and hasn't significantly invaded - frequent mowing seems to prevent it.

When I was a girl my Mother told me it was a buttercup despite the bright pink and pale white colors. She demonstrated the reason by sniffing a bloom up close - and coming out with a yellow nose from the pollen. This is the only site I've seen confirm the name buttercup!

Bees love them - you can almost always find one or two buzzing around when they are in full bloom.

Neutral pokerboy On Jan 25, 2005, pokerboy from Canberra
Australia (Zone 8b) wrote:

The flowers seem similar to the common evening primrose. Oenothera speciosa. pokerboy.

Neutral saya On Aug 8, 2004, saya from Heerlen
Netherlands (Zone 8b) wrote:

Amazing...how such short plants (the foliage, a rosette, reaches only a few cm ) bring such big flowers. I 've measured them 12 cm across. They open early evening. I miss the scent of the other oenothera species. But growing along my gardenpath they are like lightning beacons in the evening.
When the blooms fade they turn in a beautifull pink. Flowers bloom for only one night, but there are always more to come.
Our summer's drought is no problem for them.
I 've propagated them from seed and they 're blooming in its first year. Let's see what they do next year and maybe I'll upgrade my comment.

Regional...

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

Montgomery, Alabama
Selma, Alabama
Thomaston, Alabama
Norco, Louisiana
Roswell, New Mexico
Arlington, Texas
San Antonio, Texas



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