Oenothera latifolia

Care, watering, light and tips for Oenothera latifolia on Floravia.

Oenothera latifolia

Quick facts

About Oenothera latifolia

Oenothera latifolia, commonly known as Mountain Evening Primrose, is a low-growing perennial plant valued for its vibrant yellow flowers that unfurl in the evening. Its large, showy blooms and bright green foliage make it ideal for rock gardens, path edges, or as ground cover in sunny garden spots, adding a touch of nocturnal color. It is a native species of western North America.

Native range

Western North America, from British Columbia to California and Arizona

Care tips

This plant thrives in full sun and well-drained soils, including sandy or rocky types, tolerating drought once established. Water moderately during its establishment phase, then reduce frequency once mature to prevent overwatering, which is its main enemy. Ensure the substrate never retains excessive water, as it is susceptible to root rot. Avoid overwatering, especially in heavy soils, to ensure its health and abundant flowering.

How to save a dying Oenothera latifolia

Warning signs
Yellowing or wilting leaves, soft stems, sparse flowering.
First aid
Check drainage, reduce watering, move to partial shade.
What kills it
Overwatering and intense direct sun.
Can it be saved?
Yes, if you act quickly and correct the environment.

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