Home Cultivation: Ontario vs Rancho Cucamonga
How do home cultivation rules compare between Ontario, CA and Rancho Cucamonga, CA?
Ontario and Rancho Cucamonga have similar restriction levels.
Ontario, CA
San Bernardino County
Ontario residents 21 and older may grow up to 6 cannabis plants indoors per residence under Proposition 64, but outdoor cultivation is banned by OMC Chapter 9 ordinance.
View full Ontario rules →Rancho Cucamonga, CA
San Bernardino County
California Proposition 64 permits up to six cannabis plants per residence for adult personal use. Rancho Cucamonga requires indoor-only cultivation under Municipal Code, and outdoor cultivation is prohibited.
View full Rancho Cucamonga rules →Key Facts Comparison
| Fact | Ontario | Rancho Cucamonga |
|---|---|---|
| Indoor plant limit | 6 per residence | - |
| Outdoor cultivation | Prohibited in Ontario | Prohibited |
| Age | 21 or older | - |
| Secured area | Locked, enclosed, not visible | - |
| Landlords | May ban under Civil Code 1947.5 | - |
| Plant limit | - | 6 per residence |
| Indoor requirement | - | Fully enclosed only |
| Commercial operations | - | Prohibited citywide |
| Contact | - | (909) 477-2750 Planning |
Highlighted rows indicate differences between cities.
Ontario FAQ
Can I grow cannabis in my Ontario backyard?
No. Ontario Municipal Code prohibits all outdoor personal cannabis cultivation. You may only grow up to 6 plants indoors in a secured, locked area not visible to the public.
Can my landlord ban me from growing cannabis?
Yes. California Civil Code 1947.5 specifically allows landlords to prohibit cannabis cultivation and smoking in rental units through the lease.
Rancho Cucamonga FAQ
Can I grow cannabis in my backyard?
No, Rancho Cucamonga requires indoor cultivation only; outdoor plants in yards are not permitted even under Proposition 64.
How many plants can I legally have?
Up to six plants total per private residence under Proposition 64, regardless of how many adults live there.
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