Noxious Weeds

These are toxic to animals or humans. If these plants are growing on your property, you should arrange to have them removed.  Take steps to stop direct contact with these plants if you are removing them yourself. 

Common name Species name
Arsenic bush Senna septemtrionalis
Sacramento burr Triumfetta semitriloba
Tropical pickerel weed Pontederia rotundifolia
Captain Cook tree Cascabela thevetia
Castor oil plant Ricinus communis
Golden rod Solidago canadensis var. scabra
Green cestrum Cestrum parqui
Cape spinach Emex australis
Devil's fig Solanum torvum
Hemlock Conium maculatum
Khaki weed Alternanthera pungens
Needle burr or spiny amaranth Amaranthus spinosus
Oleander Nerium oleander
Prickly poppy Argemone ochroleuca
Red-head cotton bush Asclepias curassavica
Stinking roger Tagetes minuta