‘Do you use Roundup?’ Why so many Napa vineyards have abandoned Monsanto’s controversial weed killer
- Posted on December 2, 2025
- By San Francisco Chronicle
- 1 Views
‘Do you use Roundup?’ Why so many Napa vineyards have abandoned Monsanto’s controversial weed killer

A nonprofit that provides a prominent sustainability certification to Napa Valley vineyards just announced a major milestone.