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Pinkladies

Oenothera speciosa

Also listed as Hartmannia speciosa, Oenothera delessertiana

Also known as Showy Evening Primrose, Pink Evening Primrose, Mexican Evening Primrose

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 5a – Zone 9b

Climate Match for your location

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Pink Ladies evening primrose is a low-growing perennial wildflower with pale pink to white blooms that open in late afternoon. It spreads readily in dry, sunny locations and is extremely drought-tolerant once established.

Why grow it

Oenothera speciosa offers reliable performance in arid and semi-arid regions where many perennials struggle, requiring minimal water input once established. Compared to other evening primroses, it produces flowers over a longer season and tolerates poor, compacted soils better than most ornamental alternatives. Its low, spreading habit makes it suitable for erosion control on slopes or as a groundcover in water-limited landscapes.

Watch out for

In cooler or wetter climates, drainage becomes critical; the plant is prone to root rot in heavy clay soils or areas with poor air circulation. While drought-tolerant when mature, young plants benefit from consistent moisture during their first growing season to establish deep roots. Flowering performance declines noticeably in partial shade or humid conditions, so site selection matters more than with some other sun-loving perennials.

Overview

Form
Spreading
Growth Rate
fast
Size
1–1.5′ tall × 1.5–3′ wide
Dormancy
deciduous
Family
Onagraceae
EdibleErosion controlPollinators & beneficial insects

Native to the United States

Native Range

South-central United States

Native to: Arkansas, Iowa, Indiana, Kansas, Louisiana, Missouri, Nebraska, New Mexico, Oklahoma, Texas

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

Similar ground covers you might consider:

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Companion Planting

Plants well with