Tag Archives: Twin Peaks

Year 9 of Mission Blue Butterfly on Twin Peaks: Mixed Results

It’s now Year 9 of the the Mission Blue butterfly project on Twin Peaks, San Francisco. In 2008, SF Recreation and Parks Department (SFRPD) started trying an attempt to reintroduce the Mission Blue Butterfly to Twin Peaks, by planting lupine and transferring … Continue reading

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Mission Blue Butterfly on Twin Peaks 2016 Update: Imports from San Bruno Continue

The ongoing project to establish the Mission Blue Butterfly (an endangered subspecies of butterfly) on San Francisco’s Twin Peaks is, well, ongoing. On the basis of the most recent information we received under the Sunshine Act, the Twin Peaks population … Continue reading

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Mission Blue Butterfly- The Latest on Twin Peaks

In November 2014, San Francisco Recreation and Parks Department published an upbeat progress report on their project to reintroduce the Mission Blue butterfly to Twin Peaks.  This butterfly is an endangered subspecies of the not-threatened Boisduval’s Blue. The project staff … Continue reading

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Mission Blue Butterfly – Uncertainty Saga

Regular readers of this website know that we’ve been following the Natural Areas Programs attempts to reintroduce the Mission Blue Butterfly to Twin Peaks. We’ve just obtained the latest report from San Francisco Recreation and Parks Dept (SFRPD). It’s very … Continue reading

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Happy New Year, with Pyrotechnics and Pesticides

Last night, we went to watch the fireworks from Twin Peaks as the year turned over. It was a clear night, despite a little fog earlier on. The hill was crowded with cars and buzzing with anticipation. People jogged or … Continue reading

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‘Tis the Season… for Poisons on Twin Peaks

And when is it not, actually? Maybe this could be called the Santa Claus mix? The old formula – Glyphosate and Imazapyr, being used against “Road brush” whatever that is, and erhata grass. It’s scheduled for Dec 19-23, 2011. Pesticides … Continue reading

Posted in Environment, Herbicides, Herbicides: Roundup, Garlon, nativism, Natural areas Program | Tagged , , | 1 Comment

Twin Peaks: Sunset and Evening Fog and Pesticides

It was an amazingly beautiful evening over San Francisco, and of course the views from Twin Peaks were spectacular. The fog flowed through and over the Golden Gate,  and only the towers poked through.  This is the stuff that turns … Continue reading

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Twin Peaks, Glen Canyon, Natural Areas, and Imazapyr

We’ve been seeing the new pesticide notices up on Twin Peaks, the ones we wrote about earlier here. So today, when we saw three more (and there may have been others) we assumed they were more of the same. They … Continue reading

Posted in Herbicides, Herbicides: Roundup, Garlon, UCSF | Tagged , , , , | 4 Comments

SF NAP on Twin Peaks: Rainy Days and Roundup…

Rainy days and Roundup always make me sigh… This report is brought to you from the drenched slopes of Twin Peaks. And here’s another one… They’re putting the pesticide notices high and visible now, which is an improvement. Also, they’re … Continue reading

Posted in Herbicides, Herbicides: Roundup, Garlon, nativism | Tagged , , , , | 3 Comments

Twin Peaks and the Mission Blue Butterfly: Why it’s Still Uncertain

[THIS ARTICLE WAS WRITTEN IN APRIL 2011 AND UPDATED Feb 2012] Last year, journalists were celebrating the return of the Mission Blue butterfly to Twin Peaks. From the SF Chronicle of 7 May 2010: “Everyone comes back to San Francisco, … Continue reading

Posted in Herbicides, Herbicides: Roundup, Garlon | Tagged , , , | 9 Comments

It’s Spring! It’s Twin Peaks! It’s toxic Garlon herbicide!

It’s spring again, it’s Garlon time! We recently published a picture taken near the reservoir. Now someone’s sent me these. This is a worker  spraying Garlon 4 Ultra on Twin Peaks… wearing a protective suit — but without the required … Continue reading

Posted in Environment, Herbicides, Herbicides: Roundup, Garlon | Tagged , , | 3 Comments

UCSF, Mt Sutro Stewards, and the Fate of Sutro Forest

In an article about East Africa, conservationists WA Rodgers and ND Burgess spell out some of the difficulties faced in preserving coastal forests: the attitudes of the people. “At best the local inhabitants see their forest as a resource to … Continue reading

Posted in Environment, Mount Sutro Stewards, Mt Sutro Cloud Forest, Neighborhood impact, UCSF | Tagged , , , , , , | 2 Comments

Twin Peaks – Still Appalling – Mount Sutro’s Future?

Over a year ago, we drove up to Twin Peaks, an example of a mountain very like Mount Sutro — but without the trees. Everyone goes to Twin Peaks, but they’re usually there for the views (which are doubtless absolutely … Continue reading

Posted in Environment, Herbicides: Roundup, Garlon, Mount Sutro Stewards, Mt Sutro landslide risk, Neighborhood impact, UCSF | Tagged , , , , | 5 Comments

Twin Peaks: Fall Weather, Roundup and Garlon

Twin Peaks in the Fall. The blaze of wildflowers in the spring is a distant memory. The fog blows in, but unlike the verdant Sutro Forest, where the trees harvest its water and the understory and duff hold in the … Continue reading

Posted in Herbicides: Roundup, Garlon, nativism | Tagged , , | 2 Comments

Endangered Butterflies

A commenter on this website, ‘Jonathan’, suggested that a good reason to destroy the Mount Sutro Cloud Forest would be to bring back habitat for endangered butterflies. Besides the Mission Blue Butterfly (for which there’s an attempted reintroduction on Twin … Continue reading

Posted in Environment | Tagged , , , , , | 14 Comments

Mission Blue Butterfly- An Uncertain Experiment. Why?

This post was sparked by our discussion in comments with reader JMC, who advocates replacing the Sutro Forest with Mission Blue habitat (disturbed grassland with lupines and other flowering plants). Recently, a Mission Blue butterfly was spotted on Twin Peaks … Continue reading

Posted in Environment, nativism | Tagged , , | 5 Comments

Dialogue with Sutro Biker

This conversation with Sutro Biker started in the Comments. We felt it was interesting enough to have it in a separate post instead of buried at the bottom of a page. ************************************************************************ Sutro Biker (SB): I still can’t believe all the misinformation … Continue reading

Posted in Environment, eucalyptus, Herbicides, Herbicides: Roundup, Garlon, Mt Sutro Cloud Forest, nativism, Sutro Forest "Fire Risk", UCSF | Tagged , , , , , , | 7 Comments

Garlon in Our Watershed

Garlon is one of the two pesticides that UCSF proposed to use to prevent re-sprouting of felled eucalyptus, blackberry and vines. It is regularly used on Twin Peaks, one of the highest points in the city. We should mention that … Continue reading

Posted in Environment, eucalyptus, Herbicides, Herbicides: Roundup, Garlon, nativism | Tagged , , , , , | 22 Comments

Twin Peaks in Bloom

Twin Peaks is covered with wildflowers. Right now, it’s mainly the white clusters of sweet alyssum (Lobularia)… But the yellow oxalis (oxalis bes-caprae) is beginning to flower, too, and soon there’ll be drifts of it all over the mountain… [ETA … Continue reading

Posted in Environment, Herbicides: Roundup, Garlon, nativism | Tagged , , , , , | 1 Comment

The Appalling Example of Twin Peaks

We always love going up to Twin Peaks, the place for the iconic view of our magnificent city. Recently, though, we were on a different mission: To look at Twin Peaks, not from Twin Peaks. This is a “native area” … Continue reading

Posted in Herbicides: Roundup, Garlon, nativism | Tagged , , , , , , , , | 28 Comments