Roots crack and crumble cement and concrete and may even damage building foundations if the plant is too close to a structure. Its disadvantages are branch breakage in strong winds and frequent suckering. Long narrow foliage hangs gracefully to become animated in the breeze. Do you have additional information or a different experience for this plant that you would like to share? Willow Acacia (Acacia salicina) Another of my favorite imports from Australia, Willow Acacia offers beauty in narrower spaces. It is also exceptionally fast-growing. The growth rate of the tree is fast, frequently earning the Mimosa Tree as much as 5 feet in a growing season! No. This blight is a fungal infection that attacks newly developing areas of the tree. Their relative low maintenance, lack of thorns, and graceful willow-like growth habit makes this tree an asset in … Abundant clusters of fragrant creamy white puff balls grace this Phoenix tree in the spring. Produces pale yellow flowers at winter's end that mature to brown seed pods. Difficulties or problems when growing: Highly invasive, stabilization of sand. If you're wanting a weeping willow tree without the problems of true willow, then this Australian Willow tree is an ideal and better option. In urban areas willow tree … 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.. Blue-leaf wattle (Acacia saligna) has distinctive willow-like foliage with phyllodes instead of leaves. When you have a piece of land and you want to create a garden with fast growing plants that give very good shade, itis very interesting to choose to plant an acacia tree .If the conditions are right, it can grow at a rate of half a year, and it is not necessary to water it too often because it resists drought. Acacia diseases and pests. Require a lot of trimming/maintenance (which also means lots of man-power, dump trips, etc) 2. Pests and diseases: Aphids. Additional comments: Latin "salicis" means pendulous to willow-like habit. It is very hardy and adaptable when the soil is well-drained. Growth Rate: 36 Inches per Year. Like other Acacia species, weeping acacia can reseed or grow suckers from roots in and around irrigated Phoenix urban landscapes. Flowers are followed by light-brown seed pods. The Arizona Community Tree Council lists sweet acacia as a tree that attracts Arizona wildlife. The tree has caused a lot of problems from drain blockage to rotten deck not to mention safety on our side of the fence. If there is plenty of other food, such as grass or hay available, your horse probably won’t touch any of the trees within its reach. 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. These trees are bright with green, yellow or white colors and live for around 20-30 years. One of the most common tree root problems is introduction into plumbing or sewer systems. Moon Valley Nurseries has been growing the finest evergreen trees for over 20 years and has thriving Australian Willow trees available in a variety of sizes. The twisting, irregular character of its trunk is truly beautiful. Some acacias known for being good garden plants include acacia bailey (Acacia baileyana), a drought-tolerant, heat-loving tree that produces fragrant yellow flowers in the spring and can reach a height and width of 30 feet. Expect the tree to quickly reach between 20 and 25 feet in height and 10 to 20 feet in width. Invasive tree roots are seeking nutrients and water and such pipes draw them in for the growth. CULTURE: Desert willow is easy to grow in any soil that is well-drained but it cannot stand constantly moist soil or wet feet. Avoid pruning leafy areas of the tree. The fungus remains in the plant debris littering the tree base and presents the problem of continued infection. Disease and pests: Numerous root rot pathogens infect plant roots if soil is excessively wet or poorly drained. Like all fast-growing trees, they are highly prone to wind damage and blowdown. Willow scab causes leaf-and-branch drop. These trees can grow up to be as tall as 50 feet in height and are airy looking (not very dense) which is good for monsoon season to allow wind to blow through them if they are pruned correctly. These trees grow fast and upright to about 30 feet high. aka Weeping Willow WILLOW ACACIA, AUSTRALIAN WILLOW. How to grow Acacia saligna growing and care: Sandy soil. Planting season: All the year. Flowers Showy. Cream, Orange or Yellow. Other pests that can affect acacia trees are mites, flies, aphids and thrips. It has a life span of about 10–15 years. Trees that are in trouble should be treated with the Sick Tree Treatment and have the water reduced if possible. One of ours was irreversibly damaged from 2 strong gusts of wind; the other froze to death (not likely to happen in your area, but still.) Width: 15 feet. It is a large shrub or small evergreen tree growing 3 to 20 m tall. Open canopy provides spotty shade. In late spring, masses of yellow flowers in axillary clusters cover this tree. After the February record cold-snap, *ALL* the Willow Acacia trees in my neighborhood (several hundred) dropped their leaves and dried up. I planted over 100 of these trees in golf courses. We have discussed this since 2009 but nothing has been done. I don't see a pattern- this is on new and old growth, top to bottom, but not all over. Today I noticed the bark near the base of the tree in my yard is starting to separate from the trunk, so I took a knife and peeled back a small portion of the bark, and see that the tree looks totally dry underneath. Treatment involves pruning infected branches as well as continual clean up and disposal of damaged leaves. But, if it gets bored or hungry, to satisfy its need to graze, your horse might try chewing on tree bark, branches or leaves. MaryMcP Zone 8b - Phx AZ Acacia salicina, Willow Acacia. Sweet acacia is also sold under the names of Acacia smallii and Acacia minuta. Plant / Seed / Vegetative reproduction. PROBLEMS: Root rot from over watering. Wise choice for regions experiencing both drought and excessive heat. Pruning season: All year Pendulous branches of gray-green foliage create a weeping effect. To cope with dry conditions, the roots are known to span large areas in the search for moisture. According to the University of Arizona Cooperative, the tree is a smooth-barked tree until it matures and develops fissures. Of the lesser known plants, Acacia greggii (Catclaw Acacia), Chilopsis linearis (Desert Willow), Cordia boissieri (Texas Olive) and Vauquelinia californica (Arizona Rosewood) are just a few possibilities. The Mimosa Tree is a small to medium sized ornamental tree. In the last few weeks, some of its leaves are turning yellow to brown and finally dropping. Pests, Diseases, and Other Concerns A fast growing Australian bears an attractive weeping habit for a fine specimen. Willow Acacia trees are a great desert tree for the Phoenix, AZ climate. Willow trees (botanical name is Acacia salicina) are a great desert tree for our Arizona desert climate if you want a large fast growing tree. Has Evergreen foliage. Tree Characteristics. The sweet acacia (Acacia smalii), with its slender, fern-like leaves and vibrant, aromatic flowers, is quite common in Arizona. 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