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Oenothera howardii
Howard's Evening Primrose; Yellow Stemless Evening Primrose

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History of Flowering

History of Fruiting

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Other Plants Like This: Oenothera (Evening-Primroses)

Other Oenothera (Evening-Primroses)
Oenothera macrocarpa ssp. fremontii - Fremont's Evening Primrose Oenothera elata ssp. hookeri - Hooker's Evening Primrose Oenothera villosa - Common Evening Primrose Hairy Evening Primrose Oenothera macrocarpa ssp. macrocarpa - Missouri Evening Primrose Bigfruit Evening Primrose Oenothera speciosa 'Siskiyou' - White Evening Primrose Showy Evening Primrose Find
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DERIVATION
howardii - named for Thad M. Howard, American authority on warm-climate bulbs
FAMILY Onagraceae (Evening Primrose Family)  Other Plants in the Evening Primrose Family
HABIT Herbaceous
RANGE S Wyoming, Colorado, W Kansas
FLOWERS Yellow
HARDINESS USDA Zone 4 (Coldest zone where hardy)
SUN REQUIREMENTS Sun | Partial shade
SPECIAL CHARACTERISTICS Steppe Plant Collection
COMMON NAME(S) Howard's Evening Primrose | Yellow Stemless Evening Primrose
SYNONYMS Oenothera brachycarpa var. wrightii
Location Map for Oenothera howardii (Howard's Evening Primrose; Yellow Stemless Evening Primrose) - 8 Map Locations Found
Click a marker pin or a green plant 'dot' for details. Map Help More Plant Locations

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Individual Locations for Oenothera howardii: More Locations
(To display plant details, click the number in the table.)

Map
Key
Accession
Number
Year Location
No
Map
040701*2 2004 Plains Garden
040701*3 2004 Rock Alpine Garden
113241*2 2011 Water Smart Garden 4 South
113241*4 2011 Chatfield Sinnamon Center WSM Ave S
113241*5 2011 Chatfield Sinnamon Center WSM Ave N
113241*6 2011 Mordecai Childrens G
184046*1 2018 Mordecai Childrens G
184046*2 2018 Mordecai Childrens G
184046*3 2018 Mordecai Childrens G
No
Map
200680*1 2020 Seed
No
Map
200680*2 2020 Plains Garden

 

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  FLOWERING:
When Oenothera howardii has been observed flowering
at Denver Botanic Gardens
  Flowering by Week 1 to 52
2013 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
2012 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

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  FRUITING:
When Oenothera howardii has been observed fruiting
at Denver Botanic Gardens
  Fruiting by Week 1 to 52
2019 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

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Images © Denver Botanic Gardens


Oenothera howardii Flower|Leaf
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Oenothera howardii
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Oenothera howardii
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Oenothera howardii
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Oenothera howardii
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Oenothera howardii Flower|Leaf
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Photography © Denver Botanic Gardens

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