If you’re looking for trees for your home, don’t plant these. The toxic component of willow tree bark is also its medicinal component -- salicylic acid -- which is utilized in commercial aspirin products. 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. Do this thinning in late winter or early spring to open the acacia's canopy and help reduce wind resistance. Many pastures included forested areas. To be sure that the branch is dead, scrape enough bark to see whether the growth layer underneath is green or brown. Willow tree wood isn't necessarily toxic to cats and dog. Burning driftwood, oleander, or painted or treated wood can release toxic or harmful chemicals into the air. Acacia salicina is a thornless species of Acacia tree native to Australia.. Common names include cooba, native willow, willow wattle, Broughton willow, Sally wattle and black wattle.. These provide important shade and shelter from the wind and are a nice addition to a natural setting. Another problem is that, the branches can be a bit brittle and they may fail to resist wind. Cats can tolerate 10 milligrams of aspirin every two days. Its bark, however, can be poisonous, particularly to cats. The toxins are known as phytotoxin robinin and glycoside robitin. Do this early in the growing season. This can be accomplished using different chemicals. To induce germination, boil the seeds in water for one minute at 212 degrees Fahrenheit. She currently divides her life between San Francisco and southwestern France. The willow acacia roots many of these vigorous vertical stems growing from the base of the tree. Many are plants we grow to add some beauty to our yards. Horses and other animals will chew on the bark for pain relief, the leaves are harmless Aug 6, 2015 #6 Scientific Name: Acacia salicina: Principal Common Name: Willow Acacia: Common Name(s) Australian Willow: Synonym: Description: Willow Acacia is a fast growing shrub or tree, single or multistemmed tree with weeping form that gets tiny puff ball flowers that are creamy white to yellow. It grows best in deep, well-drained soil. World traveler, professional writer and consummate gardener, Spengler earned a BA from U.C. Average Landscape Size: Medium growing tree with a height of 20 to 30ft. They can tolerate a broad range of poor soils and gets bonus points for high wind and frost tolerance. Loss of consciousness and sudden death are also possible, particularly in cats. I planted over 100 of these trees in golf courses. Key Features: Semi-deciduous broadleaf tree. Willow Acacia (Acacia salicina) Another of my favorite imports from Australia, Willow Acacia offers beauty in narrower spaces. Alternatively, prune suckers as close as possible to the growing point. Blooms: Blooms in late winter. Cyanogenic poison protects from herbivores The leaves of acacia trees protect from being eaten by producing a cyanogenic poison. Tree Characteristics. It reaches 20 to 40 feet with a 15-foot spread in U.S. Department of Agriculture plant hardiness zones 7 through 10. How to Grow Weeping Willows From Cuttings, How to Prune a Navel Orange Tree in a Drought, How to Prune Crab Apples for the Best Shape, Cal Poly Urban Forest Ecosystems Institute: Willow Acacia, Acacia salicina, Horticulture Unlimited: Willow Acacia Tree, Acacia salicina, University of Arizona Master Gardeners of Pima County Cooperative Extension: Acacia salicina, University of California Master Gardeners: Pruning Deciduous Landscape Trees, North Coast Gardening: Your Gardening Body: How to Prune Trees Without Strain or Pain. But, you may want to check that there are no trees that are actually toxic to your horse. It is blessedly low-maintenance and needs only minimal pruning. The dose, as always, determines if a plant is safe source of nutrients or a toxic hazard. The poster, Worldwide Woods, Ranked by Hardness, should be required reading for anyone enrolled in the school of wood nerdery. Height: 20 - 40 feet. If you are allergic, take proper precautions during pruning. Poisonous Alkaloid in Leaves. Some are houseplants that are sitting in your window. Equally toxic are cherry (black cherry, chokecherry, and fire cherry) peach and plum trees, all members of the Prunus species. Soft wood, green wood, and big wood will … 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. Your pet may stumble or appear weak and uncoordinated as his central nervous system reacts. Continue until you have eliminated all suckers. Puppies and developing dogs may not be able to process salicylic acid, much like their feline brethren. Make the cut 6 inches into healthy wood. 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. The toxin can be … Plant defense against herbivory or host-plant resistance (HPR) describes a range of adaptations evolved by plants which improve their survival and reproduction by reducing the impact of herbivores. Acacia salicina, Willow Acacia. A fast grower, willow acacia is taller and more narrow than most native trees. The leftover stumps will continue to grow, and you will be left with acacia shrubs. It has a life span of about 10–15 years. Pick up every part of the willow acacia you cut off. This slideshow explains why you should avoid these trees in your yard. It gives excellent shade and serves well as a tall screen, while also being a perfect selection for street-sides, medians, natural areas, and even smaller garden spaces or patios. The toxic component of willow tree bark is also its medicinal component -- salicylic acid -- which is utilized in commercial aspirin products. They are evergreen and native to Australia. Cats lake the enzymes necessary to process salicylates. If you aren’t sure if the wood you want to … Here is a list of 11 kinds of wood that should not be burned in a fireplace. Willow trees are a fast-growing species of deciduous trees often found near streams in temperate, cooler parts of Eurasia and North America. Click/tap images for attribution and license information. © Copyright 2020 Hearst Communications, Inc. Pick up every part of the willow acacia you cut off. 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. Seeds and pods were roasted and used by Aboriginal people as a food source. Do not forget, you should never use wood from any plants or tree branches if they were treated with pesticides or any type of chemical treatment! Rounded Shape. Watering Needs: Needs regular watering – weekly, or more often in extreme heat. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Longevity Less than 50 years. 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