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PlantFiles: Hooker's Evening-Primrose
Oenothera elata var. hirsutissima

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

Synonym:Oenothera hirsutissima

Unknown - Tell us

4-6 ft. (1.2-1.8 m)

Unknown - Tell us

USDA Zone 5a: to -28.8 C (-20 F)

Sun Exposure:
Unknown - Tell us

Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer


Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By pollengarden
Thumbnail #1 of Oenothera elata var. hirsutissima by pollengarden

By pollengarden
Thumbnail #2 of Oenothera elata var. hirsutissima by pollengarden


No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral pollengarden On Oct 30, 2011, pollengarden from Pueblo, CO (Zone 5b) wrote:

Found growing near the pasture head-gate in Canon City, Colorado. That would be fairly good moist soil. I let it grow because I checked the USDA and apparently it isn't toxic to grazing animals.


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

Canon City, Colorado

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