Regional Gardening Reports :: National Gardening Association

Southwestern Deserts

April, 2010
Regional Report

Shows & Events

Grow Native Plant Sale
Find unusual native plants and ornamental grasses for the central Arizona highlands at the Highlands Center for Natural History in Prescott, AZ. Includes workshops on vermicomposting, cacti and succulents, and residential greenhouses and hoophouses. Free admission on Saturday, May 1st from 9 a.m. to 3 p.m. Members-only pre-sale party and first chance at plants is held Friday, April 30 from 4 p.m. to 7 p.m. RSVP required and fee of $15 or $25 for couples. (928) 775-9550 or for info.

Favorite or New Plant

Blue Euphorbia
The vivid chartreuse bracts on the flower clusters and icy blue-green foliage of Euphorbia rigida create a terrific addition to the landscape. This succulent spreads as a groundcover or pairs with all sorts of perennial plants for striking color combos. It grows in 2 x 3 feet tall and wide mounds, is low-water-use, and cold hardy to 15 degrees F. It takes full sun, although in low desert summers it benefits from filtered light, beneath a tree for example. Blue rigida has no thorns, although like other euphorbias, it exudes a milky white sap when cut that may irritate the skin, so wear gloves when handling. It blooms mid-winter to spring in the low desert. It spreads readily, so ask fellow gardeners for baby transplants if you can't find it for sale in your area.


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