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California Native Plant Society

Santa Clara Valley Chapter

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Fountain Thistle Work Party 
Saturday, June 25, 2022 10:00am
Contact Don at This email address is being protected from spambots. You need JavaScript enabled to view it.

Join Ken Himes and Don Thomas for an in-person conservation project to protect the native fountain thistle. Fountain thistle (Cirsium fontinale var. fontinale) is a rare federally endangered plant that grows in an unusual specialized habitat, serpentine seeps, and is found only in a few locations on the Peninsula. Once almost completely displaced by jubatagrass (Andean pampas grass), the fountain thistle has largely recovered as a result of the work done by CNPS volunteers.

In keeping with our over 10-year tradition of working with Jake Sigg and the Yerba Buena Chapter, we are going to continue our biannual fountain thistle restoration project.

Although our efforts have made the recovery of fountain thistle a restoration success story, the plant is under ongoing threat from jubatagrass and other invasive non- native plants, such as yellow star-thistle, sow thistle and wallaby grass (Rhytidosperma caespitosum) and by woody plants trying to convert the area to shrubland or woodland.

We’ll meet at the end of Lessingia Court in San Mateo. For more info., contact Don at don_This email address is being protected from spambots. You need JavaScript enabled to view it.. Optional camaraderie over Greek pizza afterwards.

Location San Mateo
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Upcoming Events

Sat Jun 03 @ 8:00AM -
Lake Cunningham Native Garden
Mon Jun 05 @ 7:00PM - 08:30PM
Field Trip Planning Meeting (Zoom)
Sat Jun 10 @ 8:00AM -
Lake Cunningham Native Garden
Tue Jun 13 @ 7:00PM - 08:30PM
Conservation Committee
Wed Jun 14 @ 7:00PM - 08:30PM
The Power of Native Plants, a talk by Juanita Salisbury
Sat Jun 17 @ 8:00AM -
Lake Cunningham Native Garden
Wed Jun 21 @ 7:30PM - 09:00PM
Pollinator Restaurants & Building Community, a talk by Jennifer Dirking
Thu Jun 22 @ 7:00PM -
CNPS SCV Board Meeting
Fri Jun 23 @ 7:00PM - 08:50PM
Photography Group - Photo Sharing Meeting
Sat Jun 24 @ 8:00AM -
Lake Cunningham Native Garden