Xeriscape Landscaping Plants For The Arizona Desert Environment
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Trees

Knife Acacia, Acacia cultriformis

Knife Acacia, Acacia cultriformis; February 21, 2008.

Knife Acacia, Acacia cultriformis	Knife Acacia, Acacia cultriformis

Knife Acacia Acacia cultriformis Fabaceae Family ( Pea ) Knife Acacia. Also Called Knife Leaf Wattle. A drought resistant bushy shrub or tree to 16 feet tall, 16 feet spread. One inch long grey-green triangular leaves (knife Like), tightly hug the drooping grey branches. It has fragrant bright yellow rounded flowers forming in clusters in the spring. Requires good drainage. Plant in full sun to light shade. It is frost resistant. Height: Up to 16 feet tall, 16 feet spread. Bark: Grayish-brown, thin, smooth or scaly. Trunk: 3 to 8 inches in diameter. Flowers: Yellow - gold; very fragrant;simple, 1/4 inch round, on terminal portions of plant. Blooming Time: Mid February - March or April. Leaves: Thick, knife - Like; about 1 inch long, grayish green; coarse and leathery. Seeds: Seedpods 1 1/2 - 3" long, 3/8 - 1/2" in diameter; a cylindrical pod; short-pointed at ends, dark brown or black, hard; maturing in summer, remaining attached, often opening late; many elliptical flattened shiny brown; seeds. Found: Statewide. Low water use landscaping plant in the Phoenix and Tucson areas. Elevation: Below 2,000 Feet. Habitat: Ornamental in lower elevations or Arizona. Xeriscape Plant. Introduced from Australia (New South Wales, Queensland). Miscellaneous: Flowering Photos Taken February 21, 2008; Summer Winds Nursery, Glendale.