Desert Evening Primrose
Ornothera caespitosa  Nutt.

The most widespread and attractive evening primrose.  Perennial desert dweller which bears large white flowers which turn pink with age, both colors frequently occurring simultaneously on a plant. Petals are heart shaped due to the long and wide with a deeply notched tip. The plants lack stems so the flowers and elongate leaves are borne in the root crown..  The leaves range from 2-6 inches in length. This plant blooms during the months of May, June, and July. It is found throughout the the Intermountain West at elevations up to 8,000  They are found in well-drained soils, with full sun, and low water, and cover the ground like small, snowy mounds frequently on talus slopes or in sandy plains throughout the Western United States. When given water, will continue blooming through the season.

Propagation
To start seed indoors soak in hydrogen peroxide (from the market) for 24 hours. Rinse and cold treat seed for 30 to 60 days. Sow into container. Cover to depth. Transplant into desired location when root system is mature. Seeds can be sown at any time outdoors in the desired location. Cover with " soil.