Oenothera gaura W.L. Wagner & Hoch
Biennial Beeblossom, Biennial Gaura
Onagraceae (Evening Primrose Family)
Synonym(s): Gaura biennis
USDA Symbol: OEGA
Long-tubed white flowers, turning pink with age, bloom 2 or 3 at a time in clusters on long, wand-like spikes branching from the top portion of this 2-6 ft. biennial.
Species such as this one, formerly placed in the genus Gaura, are typically rather weedy plants, with leaves borne singly on the stems and frequently in a basal rosette. The flowers are in spikes or racemes, or are branching. They open in the evening. The 4 petals are on the upper side of the flower, giving it a slightly bilateral symmetry. There are normally 8 prominent stamens and 1 pistil; these are on the lower side. The stamens have reddish-brown anthers. The genus is easily recognized, but the species are sometimes difficult, due partly to a great deal of hybridization.
From the Image Gallery
Plant CharacteristicsDuration: Biennial
Fruit Type: Capsule
Size Notes: Up to about 6 feet tall.
Bloom InformationBloom Color: White , Pink
Bloom Time: Jun , Jul , Aug , Sep , Oct
DistributionUSA: AL , CT , DC , DE , GA , IA , IL , IN , KY , MA , MD , MI , MN , MS , NC , NJ , NY , OH , PA , SC , TN , VA , WI , WV
Canada: ON , QC
Native Distribution: Que. to s.e. MN, s. to GA & LA
Native Habitat: Prairies; open woods; stream banks
Growing ConditionsLight Requirement: Part Shade , Shade
Soil Moisture: Moist , Wet
Soil Description: Moist to dry soils
BenefitConspicuous Flowers: yes
Fragrant Flowers: yes
PropagationDescription: Grow from seed.
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Oenothera gaura in USDA Plants
FNA: Find Oenothera gaura in the Flora of North America (if available)
Google: Search Google for Oenothera gaura
MetadataRecord Modified: 2023-02-21
Research By: TWC Staff