Prohibited Species: Mesa vs Phoenix
How do prohibited species rules compare between Mesa, AZ and Phoenix, AZ?
Mesa and Phoenix have similar restriction levels.
Mesa, AZ
Maricopa County
Maricopa County regulates certain plants under the Arizona Native Plant Law (ARS §3-904) and noxious weed regulations. Palo Verde, saguaro, and other protected native plants cannot be removed without permits. Several weed species are regulated by the Arizona Department of Agriculture.
View full Mesa rules →Phoenix, AZ
Maricopa County
Arizona regulates invasive plants through the Arizona Department of Agriculture's prohibited and regulated plant pest list. Maricopa County restricts certain allergen-producing species. Phoenix prohibits planting Mulberry trees (Morus genus) and Olive trees (Olea europaea) due to severe pollen allergies.
View full Phoenix rules →Key Facts Comparison
| Fact | Mesa | Phoenix |
|---|---|---|
| Native Plant Law | ARS §3-904 | - |
| Saguaro Protection | Permit to remove | - |
| Key Invasive | Buffelgrass | Buffelgrass (fire threat) |
| Saguaro Fine | Up to $100,000 | - |
| Banned Trees | - | Mulberry and Olive (fruiting types) |
| Reason | - | Severe allergenic pollen |
| City Code | - | Section 24-46 |
Highlighted rows indicate differences between cities.
Mesa FAQ
Can I remove a saguaro cactus from my property in Maricopa County?
Not without a permit. Under Arizona Native Plant Law (ARS §3-904), saguaros and other protected native plants require a salvage permit from the Arizona Department of Agriculture before removal.
What invasive plants are a problem in Maricopa County?
Buffelgrass is the most significant invasive plant in the Sonoran Desert. It spreads rapidly and promotes wildfires. The Arizona Department of Agriculture also regulates Russian knapweed, yellow starthistle, and giant salvinia.
Phoenix FAQ
What plants are banned in Phoenix?
Phoenix bans fruiting Mulberry trees and fruiting Olive trees due to allergenic pollen (City Code Section 24-46). Fruitless varieties are exempt. The state also regulates invasive species like Buffelgrass and Tamarisk.
What is Buffelgrass and why is it a problem?
Buffelgrass is an extremely invasive grass from Africa that is transforming the Sonoran Desert by creating fire-prone grasslands where fire was historically rare. It threatens native desert plants and wildlife habitat.
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