Botanical Name: Oenothera missouriensis
Common Name: Ozark sundrop, Missouri evening primrose
Type of Plant: dicot: perennial
Character deciduous
 
Habit of Growth:
Overall Shape spreading, trailing plant with fairly coarse leaves and flowers held above the foliage; generally assumes a loose, floppy appearance
Height to 1'
Spread to 3'
Growth Rate moderate
 
Environment:
Exposure outdoor full sun to partial shade
Soil tolerates most any soil with good drainage
Hardiness hardy (all zones)
 
Morphology:
Leaves narrowly elliptical, to 4" long, 1/2" wide; slight sheen to both upper and lower surfaces; alternate on trailing stems
Flowers broad bight yellow flowers; open at night or on shady days flowers appear on elongated style head above inferior ovary
Fruit large 4-winged leathery capsule; reddish brown
 
Propagation:
seed, division
 
Usage:
for bright flower display in rock gardens and rustic landscapes; a very show plant for borders, large-scale beds and casual landscape settings – prized plant
 
Landscape Care:
Watering takes average watering; don't allow to dry out
Fertilizing balanced fertilizer in spring
Pruning head back to ground when foliage dies back
Pests/Diseases none
Special Conditions/Other plant goes completely dormant in winter months
 
Origin: Midwestern United States
Family: Onagraceae

Notes:
 
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