It’s best to plant among other full sun loving plants. Plant them with plants of complimentary colors for a fabulous and striking look. Clumps should be divided every 3 years as this will help promote healthy new growth and consistent flowering. This plant can readily self-sow so be sure to plant in well defined planting beds where growth can be controlled. Mexican Evening Primroses are a great perennial for novice gardeners to grow because they are simple to grow and maintain. They are relatively pest or problem free. Soil should be neutral to alkaline. Grows best in sandy or loam soil.
Easy to grow from seed. Sow them outdoors late summer to fall or in early spring or sow indoors in early spring. The seeds can simply be scattered outdoors where they are to grow if the ground is not too hard or densely vegetated. Indoors, keep the planting medium moist and at a temperature between 68ºF (20ºC) and 86ºF (30ºC). Seedlings should appear in 2-3 weeks. Pink evening primrose also can be propagated vegetatively by dividing the root clumps in spring.
These plants can be used as either a small shrub as well as a ground cover but it is generally best to consider Mexican Evening Primroses a ground cover because they generally won’t grow more than 18 inches tall but can, and will, spread 4 feet wide. Definitely keep this in mind when considering this plant for your garden. For a naturalistic look make sure to plant these among rocks or boulders.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Mexican evening primrose is a hardy plant.These estimates for how long Mexican evening primrose takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Siskiyou pink, Pink evening primrose, Hairy cutleaf evening primrose, Texas evening primrose
Oenothera mexicana Spach, Oenothera speciosa, Oenothera mexicana (berlandieri)