Prohibited Species: Castaic vs Los Angeles
How do prohibited species rules compare between Castaic, CA and Los Angeles, CA?
Castaic and Los Angeles have similar restriction levels.
Castaic, CA
Los Angeles County
The LA County Agricultural Commissioner maintains a list of noxious weeds and invasive plant species. California's noxious weed list (Food & Agriculture Code §5004) applies countywide. Additionally, the county's landscaping and water-efficient ordinance discourages high-water-use ornamental species.
View full Castaic rules →Los Angeles, CA
Los Angeles County
California regulates invasive plants through the California Food and Agricultural Code and the Department of Food and Agriculture's noxious weed list. Los Angeles County Agricultural Commissioner enforces quarantines for specific pest plants. The California Invasive Plant Council (Cal-IPC) maintains an inventory of invasive plants with threat ratings.
View full Los Angeles rules →Key Facts Comparison
| Fact | Castaic | Los Angeles |
|---|---|---|
| Authority | Ag Commissioner | - |
| State Law | CA Food & Ag Code §5004 | - |
| Noxious Weeds | Giant reed, pampas grass | - |
| Water Ordinance | Title 22 §22.52.2200 | - |
| Regulatory Body | - | CDFA + LA County Ag Commissioner |
| CDFA Ratings | - | A (eradicate), B (manage), C (monitor) |
| Key Invasives | - | Giant reed, Pampas grass |
| Cal-IPC | - | Maintains threat inventory |
Highlighted rows indicate differences between cities.
Castaic FAQ
What plants are prohibited in LA County?
Plants on California's noxious weed list (Food & Agriculture Code §5004) are prohibited or subject to eradication orders. These include giant reed, pampas grass, and yellow starthistle, among others.
Does LA County regulate landscaping water use?
Yes. Under the Water Efficient Landscape Ordinance (Title 22), new landscaping over 500 square feet must comply with state MWELO standards, limiting high-water-use turf and encouraging drought-tolerant plants.
Los Angeles FAQ
What plants are banned in Los Angeles?
California bans CDFA-listed noxious weeds. In the LA area, invasive species like Giant reed, Pampas grass, Scotch broom, and Cape ivy are flagged. The Cal-IPC inventory provides a comprehensive list of plants rated by threat level.
Where can I find the list of invasive plants for LA?
Check the Cal-IPC plant inventory at cal-ipc.org, the CDFA Noxious Weed List, and the LA County Agricultural Commissioner's invasive weeds page for region-specific information.
Compare other topics
See how Castaic and Los Angeles compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool