- Author: Karey Windbiel-Rojas
- Author: Belinda J. Messenger-Sikes
![Products containing carbaryl, like some Sevin products, won't be sold in retail nursuries and garden centers.](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/72659small.png)
Starting August 1, 2020, all pesticides containing the active ingredient carbaryl will be designated as restricted materials in California, except for baits labeled only for agricultural use.
Once this regulation goes into effect, only licensed pesticide dealers can sell restricted carbaryl products and only licensed pesticide applicators will be allowed to purchase and use pesticides containing carbaryl.
After August 1, 2020 it will be unlawful to possess or use carbaryl products without an appropriate pesticide applicator license and permit. This includes home gardeners and maintenance gardeners (if they are not licensed to apply pesticides). There will not be a sell-through period for existing...
- Author: Belinda J. Messenger-Sikes
- Author: Karey Windbiel-Rojas
![Figure 1. Product labels often look very similar even when the ingredients change. On the left is the product containing zeta-cypermethrin; the one on the right contains carbaryl.](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/54978small.jpg)
We all have our favorite products, whether it's laundry detergent, shampoo, or a pesticide you know works against the pests in your home or garden. But what happens when a company changes the ingredients in a product? Does it work, smell, or lather differently?
You may visit a store looking for a pesticide product by name, not realizing that several popular pesticide brands have recently changed their active ingredients (the materials in pesticide products that actually...