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Tag Archives: Triclopyr
Five Reasons Why it’s Okay to Love Oxalis
This is an updated reprint of a May 2015 article. As of 2023, eight years later, Natural Areas (now called “Natural Resource Areas”) are still being sprayed with powerful pesticides against oxalis. It’s still futile. ************** Five Reasons it’s Okay … Continue reading
Posted in "Natural" Areas Program, Applies Pesticides
Tagged environment, Jake Sigg, oxalis, San Francisco, Triclopyr
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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
Posted in "Natural" Areas Program, Applies Pesticides
Tagged environment, Glen Canyon Park, oxalis, Pesticides, sheep sorrel, Triclopyr, Vastlan
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Herbicide Time – Triclopyr in Glen Canyon
It’s January, and San Francisco is brightened by the yellow oxalis springing up on green hillsides. Less bright, though, is the usual Blights of Spring – herbicides applied in our parks where our kids and pups play. Here’s an idyllic … Continue reading
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
Posted in "Natural" Areas Program, Applies Pesticides
Tagged Mt Davidson, oxalis, Triclopyr, Vastlan
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SF Rec & Parks Using a New (Old) Pesticide
One of our supporters reports the “Natural Resources Department” (NRD) of the San Francisco Recreation and Parks Department (SFRPD) is using a new pesticide on Mt Davidson: Vastlan (from Dow). It’s being applied in a so-called “natural area” now named … Continue reading
Posted in Applies Pesticides
Tagged environment, Mount Davidson, SF Environment, SF Natural Areas, SFRPD, Triclopyr
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San Francisco “Natural Resources” Herbicide Usage Up 57% in 2017
We have recently analyzed the data for herbicide use in the full year 2017 for San Francisco’s so-called “Natural Resources Department” (NRD – formerly Natural Areas Program). It’s up 57% from the previous year. NRD is a department of San … Continue reading
Two Cheers for NAP’s Herbicide Use in 2014
[Note: This article has been edited to add a section on dead birds near Kezar Stadium.] We’ve been following the use of hazardous herbicides by the Natural Areas Program (NAP) for some years now – and it’s been rising steadily. … Continue reading
Posted in "Natural" Areas Program, Applies Pesticides
Tagged environment, Natural Areas Program, Pesticides, Triclopyr
6 Comments
SF’s Natural Areas Program Beats Own Pesticide Record in 2013
This article is adapted with permission from SutroForest.com UCSF, which owns and manages most of Mt Sutro Forest, recently decided not to use pesticides there. This may make it the only wild land in San Francisco that is reliably free … Continue reading
Posted in "Natural" Areas Program, Applies Pesticides
Tagged Aminopyralid, environment, Glyphosate, Imazapyr, Natural Areas Program, Pesticides, Toxic, Triclopyr
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Sutro Forest Herbicide Projections: Bad News for San Francisco’s Natural Areas?
Our regular readers will know that we’ve been following the Natural Areas Program’s (NAP) increasing use of pesticides with some dismay. When we got the 2012 data, it was clear that pesticide use had increased by every measure. That story … Continue reading
SF’s Natural Areas Program Uses Even More Pesticides
The 2012 final data are in, and it’s official: In 2012, the Natural Areas Program (NAP) used more pesticides than in any year from 2008 (the first year for which we have data provided by the City). This is true … Continue reading
The Natural Areas Program and Pesticides: Volumes and Numbers
We talked about pesticide use in the Natural Areas a number of times, and particular of the increasing volumes of the “Fearsome Four” pesticides they use most: Glyphosate (Roundup or Aquamaster); Triclopyr (Garlon or Garlon 4 Ultra); Imazapyr (Polaris or … Continue reading
Natural Areas Pesticides: The Fearsome Four
The Natural Areas Program (NAP) uses four herbicides classified as “Most Hazardous” (Tier I) or “More Hazardous” (Tier II) by San Francisco’s Department of the Environment (DoE): Garlon 4 Ultra (triclopyr) Roundup or Aquamaster (glyphosate) Polaris or Habitat (imazapyr) Milestone … Continue reading
Mount Davidson’s Garlon Pesticide – Again
The other day, we walked on Mount Davidson. The view from the top was lovely, and in the middle of it was a pesticide sign. It was difficult to read because the moisture had condensed under the plastic. But we … Continue reading
West Portal Monthly: Clearcut Case of Overkill at Mt Davidson Park
The West Portal Monthly today published an article by Jacquie Proctor explaining the problem of the NAP specifically at Mt Davidson and generally throughout the city. The plan seeks to destroy at least 1600 trees on Mt Davidson alone. Read … Continue reading
Posted in "Natural" Areas Program, Applies Pesticides, Blocks Access, Fells Trees, Ruins Habitat, Wastes Money
Tagged Aminopyralid, Aquamaster, Garlon, Glyphosate, Imazapyr, Jacquie Proctor, Milestone, Mt Davidson, Pesticides, Polaris/ Habitat, San Francisco Forest Alliance, Triclopyr, West Portal Monthly
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Three Poisons on Mt Davidson: Garlon, Aquamaster, Milestone Pesticides
Recently, someone sent the San Francisco Forest Alliance this Pesticide Notice. It’s for Mount Davidson, for the end of January/ early February 2012. We found it shocking. Why? It plans on using three of the most toxic pesticides San Francisco … Continue reading
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