See this plant in the following landscape: Cultivars / Varieties: Twiggy, mounded shrub with arching stems.Leaves trifoliate on lower stem, one leaflet on upper stem.Pea-like flowers in late spring along green stems.The invasive nature of this plant will diminish grazing habitat and is also a concern for the increased risk of wildfires. Some non-seeding cultivars are available. ![]() If plants are unwanted, pull them before they flower and set seed. It can be weedy and rapidly grow to crowd out native plants. Susceptible to leaf and stem blight. It is a short-lived shrub but tends to reseed itself. Insects, Diseases, and Other Plant Problems: No serious insect problems. The shrub will grow 4-8 feet tall with a broom-like appearance and a rounded crown. Cutting the plant back, freezing temperatures and even wildfires cannot keep the plant from spouting. The seed is then carried by animals and insects, such as ants, to further its spread. When the seed pods have dried they will burst open, spreading the seed over a wide area and can stay viable for up to 20 years. It has been successful in competing for growing room on dry, sandy soil due to its nitrogen-fixing ability.Ī medium-sized plant can produce thousands of seeds per year. It has spread to areas such as roadsides, pastures, dry scrubland and other disturbed sites. In the eastern USA it is listed as a noxious weed in some states such as GA and SC. It was introduced in the US as an ornamental plant in the 1800's and has since spread to a point of being declared invasive on the West Coast and some midwest states. ![]() See below This plant is an invasive species in North Carolina Description Phonetic Spelling sy-TIS-us sko-PAIR-ee-us This plant has high severity poison characteristics.
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