Native Plants: Anaheim vs Irvine
How do native plants rules compare between Anaheim, CA and Irvine, CA?
Anaheim and Irvine have similar restriction levels.
Anaheim, CA
Orange County
Anaheim encourages native and water-efficient plants through its Landscape Water Efficiency Ordinance (AMC 10.19). New landscaping projects must meet water budget calculations using drought-tolerant species where feasible.
View full Anaheim rules →Irvine, CA
Orange County
Irvine encourages native and drought-tolerant plants through its Sustainability in Landscaping ordinance (IMC Title 5, Division 7) and MWELO compliance. New landscapes must meet water efficiency standards favoring low-water-use species.
View full Irvine rules →Key Facts Comparison
| Fact | Anaheim | Irvine |
|---|---|---|
| ETAF Residential | 0.55 | - |
| ETAF Non-Res | 0.45 | - |
| Native Plants | Encouraged | Encouraged through ordinance |
| Code | AMC Ch. 10.19 | - |
| MWELO | - | Required for landscapes over 500 sq ft |
| HOA Restriction | - | Cannot prohibit drought-tolerant plants |
| Code Section | - | IMC Title 5, Division 7 |
| Rebates | - | IRWD turf replacement rebates |
Highlighted rows indicate differences between cities.
Anaheim FAQ
Does Anaheim require native plants?
Not strictly required, but strongly encouraged through water efficiency standards. New landscaping must meet MAWA calculations favoring low-water-use species.
What is the water budget requirement?
New landscapes use an ETAF of 0.55 (residential) or 0.45 (non-residential) under AMC 10.19. Lower water-use plants help meet this budget.
Irvine FAQ
Does Irvine encourage native plant landscaping?
Yes. The city's Sustainability in Landscaping ordinance and IRWD rebate programs encourage native and drought-tolerant landscaping.
Can my HOA require a green lawn in Irvine?
No. Under California Civil Code Section 4735, HOAs cannot prohibit drought-tolerant landscaping.
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