Oenothera Species, Slender Evening Primrose, Evening Primrose

Oenotheraheterophylla var. rhombipetala

Family
Onagraceae (on-uh-GRAY-see-ee)
Genus
Oenothera (ee-no-THEE-ruh)
Synonym
Raimannia rhombipetala
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
Not Applicable
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Biennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Rio Rancho, New Mexico

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Gardener's Notes:

1
positive
1
neutral
0
negative
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1
Rio Rancho, NM | July 2010 | positive

brought seed from Illinois maybe ten years ago.came up and bloomed first season then vanished last year they were back this year they hav...Read More

W
Seward, AK (Zone 3b) | January 2005 | neutral

Oenothera rhombipetala, also known as Four Point Evening Primrose is native to the sandy prairies of North America. The flowers open in t...Read More

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