The bark has been traditionally put to use by Indigenous Australians as a toxin for fishing. Hardy, small pendulous tree that is quick growing. It reaches 20 to 40 feet with a 15-foot spread in U.S. Department of Agriculture plant hardiness zones 7 through 10. Back to plant list. It is blessedly low-maintenance and needs only minimal pruning. Continue until you have eliminated all suckers. Tree of Southwest, Willow Acacia (Acacia salicina) Acacia Tree – If you’re looking for a tree that’ll grow quickly, the Acacia might be for you. Keep reading for tips on trimming acacia trees. With pruning, however, you get a shapelier, single-trunk tree that grows to about 15 to 20 feet (4.5 to 6 m.) tall. Additionally, watch for pests such as aphids, thrips, mites and scale. One of the most drought tolerant of all Acacias, this fast-growing variety is hardy and evergreen too! Remove small trees that sucker from the roots. Alternatively, prune suckers as close as possible to the growing point. Next year you should see additional branches coming from the central leader. Shorten the branches in the middle third, and trim out crossing branches in the upper third. Acacia may need occasional pruning during the dry months. This acacia is fast growing - over 3 feet a year and can tolerate a wide range of poor soils. The scientific name of this tree is Acacia salicina. Beds and borders, City, Cottage/Informal, Greenhouse, Specimen tree, Wallside and trellises. Sign up for our newsletter. Information on the biological and ecological features, and the utilisation potential, of this species is given in B.R.Maslin and M.W.McDonald, AcaciaSearch: Evaluation of Acacia as a woody crop option for southern Australia, RIRDC Publication No. From Alaska to California, from France's Basque Country to Mexico's Pacific Coast, Teo Spengler has dug the soil, planted seeds and helped trees, flowers and veggies thrive. Acacia requires little or no water. Acacia salicina Broughton Willow, Cooba Photographs Description: Spreading tree to 14 m high with pendulous habit and narrow-elliptical phyllodes to 20 cm. Broughton Willow. Landscape Use: Weeping acacia is a serviceable, upright, accent tree, usually single or sometimes with multiple trunks, a good tree for more narrow vertical spaces, patio … Acacia salicina's wood burns nicely and makes good fuel. When pruning the upper two thirds, it is always good to Acacia salicina Broughton willow Join the RHS today and get 12 months for the price of 9. Twigs and foliage are poisonous to animals and may be harmful to humans if eaten. Cut off a dead branch on a willow acacia as soon as you notice it; break wounds are irregular and create prime entry points for insects and disease. Sign up to get all the latest gardening tips! Always wear long gloves when working on your acacia. To be sure that the branch is dead, scrape enough bark to see whether the growth layer underneath is green or brown. Long, narrow gray-green foliage enhances this effect. Topping. Grab a sucker and yank to the side, tearing it out at their growing point. Acacia salicina (Broughton willow) will reach a height of 10.5m and a spread of 7.5m after 10-20 years. ACACIA SALICINA DLC Resources, Inc. Before Pruning Source: Shigo, Dr. Alex. Planting. It’s found across much of … When the tree is ready to be pruned it is best to only prune away the bottom third of the folliage. Cooba, Willow Acacia. This willow acacia (Acacia salicina) tree has been ‘topped’, an incorrect pruning practice. To induce germination, boil the seeds in water for one minute at 212 degrees Fahrenheit. Willow acacia (Acacia salicina) is a drought-tolerant tree that grows up to 3 feet per year. Formative prune to develop good structure. Growing Acacia salicina: Willow Acacia in hot, dry climates and Arizona and California. It is also known as native willow, Australian willow, willow wattle, black wattle, sally wattle, and Broughton willow. In the first year, find the central leader, which will be your trunk. Formative pruning as a standard tree. Snohomish, WA: Shigo and Trees Associates LLC, 1990. This acacia appears on many street tree lists such as in Arizona. Dead branches should be removed close to the trunk, flush with the bark. It is a medium-sized, thornless tree, native to Australia. Their botanical name is Acacia salicina, and this Australian native has a unique weeping appearance that makes them a welcome addition to many different landscape styles. A Bit More Linear, blue-green leaves on a frame of spreading, weeping branches, give the Acacia salicina a willow-like appearance without the water requirements of a true willow. Young acacias can be grown as standards with a 1-2m (3¼-6½ ft) trunk. In the second and third year of your young acaciaâs life, again remove the shoots from the central leaderâs bottom third. Scientific: Acacia salicina Common: weeping acacia, Australian willow Family: Fabaceae (Leguminosae) Origin: Eastern Australia Pronounciation: A-KAY-sha sal-a-SEE-na Hardiness zones: Sunset 8, 9, 13-24 USDA 9-11. ... (Cooba is the Australian common name for Acacia salicina). This evergreen acacia has a rounded habit and a low, sometimes earth-sweeping canopy. This willow acacia (Acacia salicina) tree has been “topped,” an incorrect pruning practice. Gardening in Tucson, Phoenix, ... Prune: Remove excess and crossing branches to reduce wind resistance. Trimming an acacia is much like trimming any tree, except you have big, scary thorns. The Willow Acacia is a good choice for a low-water use garden or desert landscape, and its moderately-dense canopy is easily pruned into a screen or hedge. 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