Personal Cultivation Limits: Ontario vs Rancho Cucamonga
How do personal cultivation limits rules compare between Ontario, CA and Rancho Cucamonga, CA?
Ontario and Rancho Cucamonga have similar restriction levels.
Ontario, CA
San Bernardino County
Adults 21 and older may grow up to six cannabis plants per private residence in San Bernardino County, but unincorporated areas require indoor cultivation inside a fully enclosed secure structure.
View full Ontario rules →Rancho Cucamonga, CA
San Bernardino County
Adults 21 and older may grow up to six cannabis plants per private residence in San Bernardino County, but unincorporated areas require indoor cultivation inside a fully enclosed secure structure.
View full Rancho Cucamonga rules →Key Facts Comparison
| Fact | Ontario | Rancho Cucamonga |
|---|---|---|
| Plant limit | Six per residence | Six per residence |
| Outdoor cultivation | Prohibited unincorporated | Prohibited unincorporated |
| Age requirement | 21 and older | 21 and older |
| Landlord permission | Required for renters | Required for renters |
Highlighted rows indicate differences between cities.
Ontario FAQ
Can I grow on my back patio?
Not in unincorporated SBC. Cultivation must occur in a fully enclosed, lockable structure not visible from outside. Greenhouses with locking doors and opaque walls generally qualify if odor is contained.
What about Joshua Tree or Yucca Valley?
Yucca Valley and Twentynine Palms set their own rules. In unincorporated Joshua Tree, county Chapter 84.34 applies. Verify local zoning before planting any cannabis.
Rancho Cucamonga FAQ
Can I grow on my back patio?
Not in unincorporated SBC. Cultivation must occur in a fully enclosed, lockable structure not visible from outside. Greenhouses with locking doors and opaque walls generally qualify if odor is contained.
What about Joshua Tree or Yucca Valley?
Yucca Valley and Twentynine Palms set their own rules. In unincorporated Joshua Tree, county Chapter 84.34 applies. Verify local zoning before planting any cannabis.
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