Traditionally used as an herb, bronze leaf fennel has been a favorite among perennial gardeners for many years because of its airy texture, soft smoky color, anise-aroma, the height it can reach making it a stand out in the garden. The main drawback of this plant for many gardeners is its invasive potential in the landscape. When allowed to set seed, one will spend endless hours eradicating them if seedlings are allowed to establish because they have a long taproot (being in the carrot family).