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Santa Clara County goes door-to-door to recover Costco plants tied to invasive pest
By Robert Handa at NBC Bay Area (KNTV, NBC)
· July 13, 2026
· 2 min read
Santa Clara County agricultural officials are taking extreme measures Monday—including going door-to-door—to track down more than 1,000 grapevine plants sold at Costco that may be harboring an invasive pest.
The glassy-winged sharpshooter is a small insect capable of spreading Pierce’s disease...
Key takeaway Approximately 1,300 grapevine plants were shipped to the area from Fresno and Southern California and were subsequently purchased by local Costco shoppers in April and May.
Why this matters in The San Francisco
The door-to-door recovery effort in Santa Clara County to contain the potential spread of the glassy-winged sharpshooter highlights the intricate connection between the region's agricultural industry and residential areas. With a significant portion of the county's grape and wine industries located in South County, the risk of Pierce's disease transmission poses a substantial threat to local farmers and the economy. The proactive approach by county officials demonstrates an understanding of the delicate balance between urban and rural areas in the San Francisco Bay Area. As the recovery efforts expand to San Jose, it will be crucial to monitor the cooperation between residents and agricultural officials, as well as the effectiveness of the containment measures in preventing the spread of the invasive pest. The success of this operation will have a direct impact on the livelihoods of local growers and the overall health of the regional agricultural sector.
About this story
Original reporting by NBC Bay Area (KNTV, NBC) . The San Francisco surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
For the complete original report, visit NBC Bay Area (KNTV, NBC) . Have a tip or correction? Contact our newsroom .
Category: library ·
Published: July 13, 2026 ·
Source: NBC Bay Area (KNTV, NBC) ·
Reading time: 2 min
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Frequently asked about this story
What is this story about? Santa Clara County agricultural officials are taking extreme measures Monday—including going door-to-door—to track down more than 1,000 grapevine plants sold at Costco that may be harboring an invasive pest.
The glassy-winged sharpshooter is a small insect capable of spreading Pierce’s disease...
When was this published? This article was first published on July 13, 2026 by NBC Bay Area (KNTV, NBC) and curated for The San Francisco readers.
Who reported this story? This story was reported by Robert Handa at NBC Bay Area (KNTV, NBC). To learn more about how The San Francisco selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more library coverage from The San Francisco, or browse our daily briefing and topic hubs .
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