Broom snakeweed is poisonous

Q: What is this pretty little weed plant (above, right)?

A: Your plant is called broom snakeweed (Gutierrezia sarothrae). It’s a native plant and regarded as a weed, especially where livestock graze, because it is poisonous.

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Peter L. Warren is the urban horticulture agent for the Pima County Cooperative Extension and the University of Arizona. Questions may be emailed to tucsongardensage@gmail.com