Oenothera speciosa
(sold as Siskiyou)

Family: Onagraceae

Common names: EVENING PRIMROSE, SUNDROPS

Sentiment: inconstancy

Plant

Types: biennial, perennial

Form: clumping

Max height: 1.5 feet

Max width: 1 foot

Flower

pink, secondary color present, white/off white

Leaf

green

Horticulture

Attracts wildlife: bird, specific butterfly species

Plant part consumed by birds: seeds

Plant features: invasive, naturalizes

Exposure: sun

Landscape use: container

Invasive

Propagates by: seed

flowers in summer

Soil type: loam

USDA Zone: zone 9 to +20 f

Temp. range: +20 to +30 °F

Water: regular

Butterflies that feed on this plant