Acacia aneura (Mulga). Tolerates reflected heat, Hardy to 15°F. Evergreen shrub or small tree, grows slowly to 15' tall by 10' in spread. Little water once established. Origin: Australia. 1,800 seeds per oz.

Acacia angustissima (Prairie acacia). A perennial, deciduous, shrub or tree in the Fabaceae family native to Central America and the United States. It is also found in South America, India and Pakistan. 2,350 seeds per oz.

Acacia greggii (Cat claw acacia). Tolerates reflected heat. Hardy to 0°F. Southwestern USA native. Deciduous, large shrub or small tree, fast growing from 8 to 20' tall. Drought tolerant, looks better with occasional watering. 270 seeds per oz.

Acacia redolens v. prostrata (Low boy). Full sun, sprawling shrub evergreen 2-5' tall; 6-12' wide. Fast growth rate. Small yellow flowers. Woody trunks. Drought, heat tolerant. Hardy to 20°F or lower. Native to Australia. 3500 seeds per oz.

Acacia saligna -- Syn: Acacia cyanophylla (Blue leaf wattle/orange wattle). Single or multi-stemmed tree can be grown as a shrub. Grows to 15 -25' high; 10-20' wide. Semi-evergreen. Hardy to 20° F. Australian native. 1500 seeds per oz.

Alnus incana ssp. tenuifolia (Thinleaf Alder)

Ambrosia deltoidea (Triangle leaf). Full sun, heat tolerant, desert perennial shrub. Fast growing 2' tall; 3' spread. Little water once established. Native to Sonoran desert. 2400 seeds per oz.

Ambrosia dumosa (White bursage) 2400 seeds per oz.

Amelanchier alnifolia (Saskatoon Serviceberry). Native and introduced perennial shrub. The fruits are used in pies, jams, and syrup, Saskatoon wine is a regional specialty. Native Americans boiled branches to make a tea for treating colds. Height, 3-15 Feet. Requires 12" minimum precipitation. 25,800 seeds per pound.

Amelanchier utahensis (Utah Serviceberry). A small tree or large shrub. Grows to  about 15' at maturity. The flowers have white petals and grow in small clusters. In early spring, while in bloom, the entire plant is snowy white. Seeds are formed in small apple-like pomes that are brown to black when ripe. The fruit are juicy and sweet. Widely scattered throughout Utah and is common in arid canyons and rocky areas usually between 3,000 and 9,000 feet in elevation. Once established, it is very drought well. The fruit are an excellent source of bird food and the foliage is eaten by livestock and wildlife.

Amorpha canescens (Leadplant)  Purple 

277,000 seeds per pound

Amorpha fruticosa (California False Indigo) 52000 seeds per pound

Arctostaphylos pungens (Pointleaf manzanita) 1400 seeds per oz.

Artemisia cana (Silver Sagebrush)

Artemisia filifolia (Sand Sagebush) Native and Introduced Perennial Shrub. Height, 2-4 Feet. Requires 6" minimum precipitation. 2,000,000 seeds per pound.

Artemisia ludoviciana (Prairie Sage). Native Perennial Shrub; Height, 1-2 Feet. Requires 10" minimum precipitation. 4,500,000 seeds per pound.

Artemisia nova (Black Sagebrush). Native Perennial Shrub; Height, up to 2'. Requires 6" minimum precipitation. 907,200 seeds per pound.

Artemisia tridentata ssp. vaseyana (Mountain Big Sagebrush)

Artemisia tridentata v. tridentata (Basin Big Sagebrush). Native Perennial evergreen shrub from 3 to 12 ft. tall. Requires 10" annual rainfall minimum.  Commonly found on deep, fertile well-drained soils in valleys and on foothills to 7,000 ft. elevation. Forage is sually is poor for cattle and moderate for wildlife. Provides valuable cover for wildlife.2,500,000 seeds per pound

Asclepias speciosa (Showy Milkweed)

Asclepias subulata (Desert milkweed). Sunset: 11-13; USDA: 9-11. Full sun to part sun. Heat tolerant. Low water needs. Evergreen, small shrub grows to 5' tall; 4' spread. Origin: California, Nevada, Arizona and Baja California.

Atriplex canescens (Four wing saltbush). 2800 seeds per oz. Grows from 2 to 6' tall. Does well in alkaline soils. Origin: Sonoran and Chihuahuan desert.

Atriplex confertifolia (Shadscale Saltbush). Native Perennial Shrub; Height, 1-3 Feet. Requires 4" minimum precipitation. 64,900 seeds per pound.

Atriplex corrugata (Mat Saltbush).

• Seeds per pound: 60,000
• Plant Height: 14 inches
• Precipitation requirements: 6 inches Minimum

Atriplex cuneata (Castle Valley Clover) Native Perennial Shrub; Height, 6-12". Requires 6" minimum precipitation. 30,300 seeds per pound.

Atriplex gardneri (Gardner's saltbrush)

Atriplex lentiformis (Quail bush). 48,000 seeds per oz

Atriplex polycarpa (Desert saltbush).

Baileya multiradiata (Desert marigold) Yellow. Annual/Perennial wildflower; Height, 18-24"     1,000,000 seeds per pound.

Berberis haematocarpa (Red mahonia)