Sweet acacia, Acacia farnesiana, has a similar look to the invasive mimosas, sporting delicate foliage and yellow puffed flowers. Seeds, which can remain dormant for years, are normally dispersed in close proximity to the parent plant; however, they can be spread by water or wildlife. It is commonly found in old fields, stream banks, and roadsides. Distribution and Habitat Silk tree occurs from California across the southern United States to New York. Infected trees will start out with paling, drooping leaves on a single branch. The delicate, puffy flowers bloom from late April to early July. It is commonly found in old fields, stream banks, and roadsides. Albizia julibrissin invades any type of disturbed habitat. Invasive in – United States of America. Silk tree has showy and fragrant pink flowers, about 1 inche long, that resemble pom-poms and … As with many invasive plants, it can grow in a wide range of soil conditions, produce many seeds, and has the ability to resprout vigorously when it is cut or damaged. The tree has bipinnately compound leaves that have 20-60 leaflets that are feathery and fernlike. It struggles to survive in far northern states. The tree produces numerous seed pods and harbors insect (webworm) and disease (vascular wilt) problems. A fast growing tree, mimosa has escaped from the many yards in which it was planted and is invading riparian and natural areas as well as disturbed habitats such as roadsides and old fields. The same thing will happen with the rest of the branches on the tree until the tree dies, usually within a year of the symptoms first being observed. Once properly settled in with a developed root system, the mimosa tree calls for minimal care. However, it is rare under a full forest canopy and is limited by cold winters so it doesn’t grow about 3,000 feet in elevation. Steve Nix is a natural resources consultant and a former forest resources analyst for the state of Alabama. Once established, mimosa is difficult to remove due to the long lived seeds and its ability to re-sprout vigorously. Mimosa is prolific, and can be seen growing in vacant lots, waste areas, fields and along roadsides. Albizia julibrissin (Mimosa) Initial Introduction and Expansion in Range Albizia julibrissin is native to southern and eastern Asia. The best way to get rid of a mimosa tree is to cut it down at ground level. Synonym(s): mimosa tree, powderpuff tree, silk tree, silktree, silky acacia, Japanese mimosa Appearance Albizia julibrissin is a small tree that is 10-50 ft. (3-15.2 m) in height, often having multiple trunks. When Theresa Schrum mentioned that mimosa could be considered an invasive plant, she had an interesting discussion with a disappointed and nostalgic gardener, who emailed: “I was disappointed to read that the mimosa tree is now considered an intrusive weed. Its trunk bark is thin and easily damaged from mechanical impact. Albizia julibrissin, the Persian silk tree or pink silk tree, is a species of tree in the family Fabaceae, native to southwestern and eastern Asia.. Bottlebrush (Callistemon spp.) It is a fast-growing ornamental tree that can reach up to 30 feet or slightly more in height. The tree is an opportunist and a strong competitor to native trees and shrubs in open areas or forest edges. It is also regarded as one of the top ten invasive plant species in Georgia, is a category 1 (altering plant community) species on the Florida Invasives list (SE-EPPC, 2002) and is listed as moderately invasive (with minor influence on ecosystem function and plant composition) in Virginia (Virginia Department of Conservation and Recreation, 2003). This fast-growing, deciduous tree has a low branching, open, spreading habit and delicate, lacy, almost fern-like foliage. At first glance, a mimosa tree looks desirable with its frothy pink blossoms and tropical, fern-like foliage. Seedlings can be pulled by hand, but make sure you get all the roots. Mimosa is a legume with double-compound leaves that give the 20- to 40-foot tree a fern-like appear-ance. Although rather short-lived (10 to 20 years), mimosa is popular for use as a terrace or patio tree for its light, dappled shade and tropical effect. The attractive fern-like leaves of mimosa are finely divided, 5-8 inches long by about 3-4 inches wide, and alternate along the stems. 2. Noteworthy Characteristics. It is listed as invasive/no use in all parts of the state by UF/IFAS Assessment and as a Category l invasive by FLEPPC. Mimosa tolerates drought conditions well but has a deeper green color and more lush appearance when given adequate moisture. However, a mimosa tree is hard to garden under because the root systems are so invasive. The silktree has the ability to grow in various soil types, the ability to produce large amounts of seed, and an ability to resprout when cut back or damaged. The tree may not be suitable for Florida gardens, as the Florida Exotic Pest Plant Council lists mimosa tree as an invasive exotic plant. Mimosa has been planted as an ornamental tree along roads and in yards because many people enjoy its summer time appearance. U.S. Advantages and Disadvantages of Mimosa … Native range map of Albizia julibrissin Branches on mimosa droop as the tree grows and will require pruning for vehicular or pedestrian clearance beneath the canopy multiple trunks. As do most invasive plants, it reproduces prolifically. Mimosas are able to re-sprout after being cut back so keep an eye out for new growth. But stand assured: regular care and pruning will restrain its rapid growth. UF/IFAS Assessment of Non-Native Plants in Florida Natural Areas: Alternatives to Invasive Plants Commonly Found in North Florida Landscapes, Florida Master Gardener Volunteer Program, UF/IFAS Extension: Solutions for Your Life, Institute of Food & Agricultural Sciences (IFAS), College of Agricultural and Life Sciences (CALS). Silk tree, also known as mimosa, or silky acacia, is a small to medium-sized tree that can grow up to 20-40 feet tall. Albizia julibrissin invades any type of disturbed habitat. 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