Photo by Melody

PlantFiles: Kunth's Evening Primrose
Oenothera kunthiana 'Glowing Magenta'

Family: Onagraceae (on-uh-GRAY-see-ee) (Info)
Genus: Oenothera (ee-no-THEE-ruh) (Info)
Species: kunthiana (kun-thee-AY-nuh) (Info)
Cultivar: Glowing Magenta

Synonym:Hartmannia domingensis
Synonym:Hartmannia kunthiana
Synonym:Oenothera domingensis
Synonym:Onagra pinnatifida

3 vendors have this plant for sale.

7 members have or want this plant for trade.


under 6 in. (15 cm)
6-12 in. (15-30 cm)

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

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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Magenta (Pink-Purple)

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall


Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By Toxicodendron
Thumbnail #1 of Oenothera kunthiana by Toxicodendron

By ahmedegypt
Thumbnail #2 of Oenothera kunthiana by ahmedegypt


No positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral JaniceZim On Jun 30, 2012, JaniceZim from West Newbury, MA wrote:

I'm a very experienced gardener who spends just about seven days a week in my gardens. I'm always looking for unusual plants and when I saw this Oenothera, a month ago I bought two! They are planted within a foot of each other, in full sun and well drained soil. One is doing well....however, I wouldn't say "Spectacular"! The other looks like I might expect it to look in fall. The flowers are gone and some leaves are turning red on the edges! We have had some days in the nineties but they're not reacting the same. I'm a bit "perplexed"!!

Neutral tobaccojoe On Jun 14, 2012, tobaccojoe from Minetto, NY wrote:

Beautiful plant but started dying in poor soil condition but was mulched and watered well. Soil drains well. Though dog urine might have gotten to it. Move it to a well drained more acid location and waiting for improvement. Any suggestions? Gets full sun.


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

Chicago, Illinois
Litchfield, Maine
Saginaw, Michigan
Roebuck, South Carolina

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