Plant-based pesticide PureCrop1 opens downtown Tiburon office

Joyce Griffin says she’s a believer in nontoxic plant-based pesticide. PureCrop1. The Belvedere resident used the spray on her struggling rose bush three mornings in a row and then two times a week over three weeks. She says the plant is now thriving and producing beautiful roses. Griffin, 83, and her son, Brian Nielsen, are part owners of the company, and Griffin serves as a public-relations representative. Now PureCrop1 has moved into Tiburon, recently opening a sales office at 1680 Tiburon Blvd., Suite 5. (Diane Smith photo / For The Ark)

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