The California Invasive Plant Council (Cal-IPC) lists Sweet Fennel as highly invasive and "can drastically alter the composition and structure of many plant communities."
Friday, July 22, 2011
Red Car Property: Non-Native, Invasive Sweet Fennel
Photo: Diane Edwardson, July 14, 2011. Non-native, highly invasive, Sweet Fennel (Foeniculum vulgare) has taken over the slope on "Lot C." (Click on photo to enlarge.)