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Oenothera speciosa (Pink evening primrose, Showy evening primrose, Mexican evening primrose)

Oenothera speciosa

Botanical Name:    Oenothera speciosa

Common Name(s):    Pink evening primrose, Showy evening primrose, Mexican evening primrose

Family:    Onagraceae

Genus:    Oenothera

Species:    Salicaria

Plant Type:    Perennial

Height:    0.75 to 2.00 feet

Spread:    1.00 to 1.50 feet

Bloom Time:    May to July

Bloom Color(s):    Pink

Leaves:    Medium green

Range:    Europe, Asia, northwest Africa, and southeastern Australia


Oenothera speciosa is a species of flowering plant in the onagraceae family. It is native to south-central United States. It is perennial plant that grows to 0.75 - 2.00 feet in height. The flowers are pink, bowl-shaped, 2-3” in diameter, with four-petaled. Flowers appear singly in upper leaf axils. Pink evening primroses are easy to grow from seed. The pubescent leaves are alternate, medium green, lanceolate to oblanceolate, 10 cm long to 4 cm broad, sessile, toothed or wavy-edged.

How to Grow

Sun:    Full sun

Water:    Dry to medium

Soil:    1. Poorly-drained. 2. Acid, Alkaline or Neutral. 3. Loam or Clay.

Propagation:    Seed