CA AB1833

Prohibits production, processing, sale, or possession of mushrooms in California labeled as "California Mushroom," "California Grown," or similar terms unless 100% of the mushroom is grown in California.

Defines "grown" to include mushrooms that are inoculated, incubated, and harvested in California.

Requires the Department of Food and Agriculture to assess civil penalties for violations: $5,000 minimum for first violation, $10,000 for second violation, and $20,000 for third and subsequent violations.

Mirrors existing California law regarding olive oil labeling and origin requirements.