- Description:
Stems are usually numerous and sprawling. Alternate leaves are oblong with slightly
toothed to deeply lobed margins. Flower buds are nodding. Flowers have four, large, round
white petals that fade to pink.
- Comments: Speciosa
means “glorious.” Masses of the flowers along roadsides literally glow in the
evening light. Flowers open in the evening and are pollinated by night-flying moths. The
flowers fade by midmorning. Plants are easy to grow in the garden and can be purchased
from plant nurseries. Larvae of the white-lined sphinx moth eat the flower buds and
leaves. The adults sip the nectar. Showy Evening-primrose is found primarily in the
eastern half of the state along roadsides and on open prairies.
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