Tag Archives: Vastlan

Toxic Pesticides in Glen Canyon Park

It’s pesticide season in Glen Canyon Park, with one of the most toxic pesticides in use: Triclopyr. (This is the one that’s brand-named Vastlan.) The target plants are oxalis, as usual! And a new one – Sheep Sorrel. It’s actually … Continue reading

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Toxic Herbicide on Mt Davidson – Triclopyr on Oxalis

In June 2020, we reported that SFRPD was using a new version of an old toxic pesticide: Vastlan, with the active ingredient Triclopyr. (The same as in Garlon, which was the single most toxic herbicide they used.) Neighbor and videographer … Continue reading

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