Evening
primrose 		 Also called: tree primrose, Kings cure-all, Night willow
  
Botanical name: Oenothera biennis
  

 
Description:   numerous small yellow flowers grow on long tall stalks at the top of the plant. These biennial, plants are up to 6 feet tall, with alternating leaves on a sometimes red stem.
Attracts:Honeybees.
Bloom time: From July through September.
Range:throughout the Midwest on dry ridges.
Sunshine:Full sun to shade.
Moisture: Fairly wet to dry.
Soil types: Clay or sandy loam best.

Suggested seed treatment:   No pretreatment needed.

Direct planting tips:   Plant seed in desired location 1/4 inches deep in the soil, and firm.

Transplants:   If you grow transplants from our seed: transplant while dormant in spring or fall, trim long roots, plant with buds just below the soil surface, space 1 to 2 feet apart. Very vigorous.

Companion prairie plants:    New England aster, Ox-eye (false sunflower), Round headed bush clover, Big bluestem, Indian grass.

Comments:   Very vigorous. Treated whooping cough and asthma by Native Americans.

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Photo Credits:   indicates photos taken by Dan Klapper.
   indicates photos taken by Dr. Era Jo Moorer. All others taken by Lin Heinrich.
See the About Oak Prairie Farm link on the Home page for more information concerning photographers.