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Oenothera rhombipetala 
Diamond Petal Primrose

Item #: 1012
Category: Wildflowers
Habit: Annual
Bloom: May-June
Height: 1-3'

1 pkt. $6.00



Soil Moisture

Sand Loam Clay Caliche  Full  Partial Dappled Shade
 X    X            X    X            Dry Medium 



for more info see Related Books
  Wildflowers of the Texas Hill Country
  Wildflowers of the Western Plains
  Native Texas Plants: Landscaping Region by Region


This elegant looking plant, sometimes called Four Point Evening Primrose, is ready to step into action as soon as the spring flowers are fading from view. Its bright yellow blooms, which can be up to 3" in diameter, will take over the show for you. Each petal is diamond, or rhomboid-shaped. Several blooms open at once on each stem, and there are several stems per plant, so it isn't at all timid in its appearance.

The native Texas habitat for this plant is sandy soils in fields and sunny edges (high or dappled shade), especially in the northern half of Texas. However, it is found growing happily as far north as Wisconsin. It will grow in loamy soil, as long as it is well drained.

For your home landscape, it's best to plant Diamond Petal Primroses in a newly prepared area rather than well-established sites, as it doesn't do well with a lot of competition. In nature, it's most often found on bare areas.

When a plant has seeded out, cut it back. Don't pull it out, because if the winter is mild, it might bloom again the next year. The plant is airy enough that new seedlings will come up under the parent plant to keep it going.

photo by Carol Clark (above)


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