Native Plants: Castro Valley vs Hayward
How do native plants rules compare between Castro Valley, CA and Hayward, CA?
Hayward has fewer restrictions than Castro Valley.
Castro Valley, CA
Alameda County
Native and drought-tolerant plants are encouraged throughout Alameda County. State MWELO requires climate-appropriate plants for new landscapes, and EBMUD/ACWD offer rebates for lawn-to-native conversions.
View full Castro Valley rules →Hayward, CA
Alameda County
Hayward supports native and drought-tolerant landscaping. New projects must comply with the state Model Water Efficient Landscape Ordinance.
View full Hayward rules →Key Facts Comparison
| Fact | Castro Valley | Hayward |
|---|---|---|
| MWELO threshold | 500 sqft new landscape | - |
| Rebates | EBMUD, ACWD lawn conversion | - |
| Suggested natives | Live oak, toyon, Ceanothus | - |
| Fire-wise list | CAL FIRE maintains | - |
| Technical help | ACRCD free | - |
| MWELO trigger | - | 500 sq ft or larger |
| Turf cap | - | Limited by MWELO |
| Rebate | - | Up to 2 dollars/sq ft |
| Good species | - | Ceanothus, toyon, oak |
| Irrigation | - | Smart controller required |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Do I have to plant natives?
No, but MWELO requires climate-appropriate species in new and major renovation landscapes, and rebates are tied to low-water-use plant palettes.
Are natives fire-safe?
Many but not all; chamise and dry grasses are flammable, while coast live oak and redwood are relatively fire-resistant; use CAL FIRE Ready For Wildfire plant guidance.
Hayward FAQ
Does MWELO apply to my remodel?
Yes if the landscape area is 500 sq ft or more and requires a permit or is part of a new development.
Where can I learn about native plants?
East Bay CNPS chapter and EBMUD water-wise gardening classes are free to the public.
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