Diamond Frost (Euphorbia) Live Plant, White Flowers, 4.25 in. Grande Diamond Frost Euphorbia from Proven Winners has beautiful, airy white flowers that bloom all season. It is easy to care for, tough, and heat and drought tolerant. Prefers partial to full sun (4+ hours) and average soil. Grows to be 1-1.5 feet tall and wide. It can trail up to 2 feet. Always ships in bloom year-round. Annuals are 5-10 inches tall when they are shipped. Hardiness Zones: 10-11. Be sure to check your USDA Hardiness Zone if you want this plant to come back year after year. Hand-picked by experienced shippers and delivered fresh from the greenhouse in a 4.25 in.grande container. Proven Winners guarantees all of its plants are correctly packaged in specially designed boxes, arrive in good condition and are accurately labeled. Diamond Frost combines beautifully with a variety of plants but also is great on its own, in any container type as well as in the landscape. To introduce the most unique, highest quality plants, Proven Winners are tested for years in gardens across the world. Our plants are unsurpassed in terms of flowering, growth and garden performance.