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Vick, Albert F. W.
Oenothera fruticosa L.
Narrowleaf evening-primrose, Narrow-leaf evening-primrose, Sundrops
Onagraceae (Evening-Primrose Family)
USDA Symbol: oefr
USDA Native Status: L48 (N), CAN (N)
Narrow-leaf evening-primrose or sundrops is an 18-24 in. perennial with a diffusely clustered system of unbranched stems. The lance-shaped leaves are 2-3 in. long, while the showy, golden-yellow, four-petaled flowers average 2 in. in diameter.
Narrowleaf Evening-primrose spreads rapidly under favorable conditions but does not usually become aggressive. In the South, the over-wintering basal rosette is evergreen and reddish-purple in appearance.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul
, WV Native Distribution:
S. New England to NY, TN
s. to FL
& OK Native Habitat:
Dry woods, roadsides & meadows
Growing ConditionsWater Use: High
Light Requirement: Sun
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
CaCO3 Tolerance: High
Soil Description: Well-drained soils. Tolerant of brackish and lime soils.
BenefitConspicuous Flowers: yes
Attracts: Birds , Hummingbirds
Propagate by seed, stem
cuttings taken after flowering or separation of outer rosettes in the fall. The easiest method of increase simply involved bending the flexible stems to the ground and covering the nodes with a bit of soil. Rooting will occur rap Seed Collection:
Not Available Seed Treatment:
Seeds mature slowly. The capsule
become hard as they develop and are best opened with pruning shears. When some seeds should fall from the end of the capsule
it is time to collect. Store the dried seed in sealed, refrigerated containers. Commercially Avail:
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2013-09-09
Research By: TWC Staff