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Santa Ana, CA Cannabis Regulations: Personal Cultivation Limits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified May 2026

Key Facts

State cap
Six plants per residence
Local rule
Indoor only
Age
21 and over
Statute
H&S 11362.2 + SAMC 18.51

Summary

Adults 21 and over in Santa Ana may cultivate up to six cannabis plants per private residence under California Proposition 64, but Santa Ana requires indoor cultivation only.

(a) Personal cultivation of cannabis under paragraph (3) of subdivision (a) of Section 11362.1 is subject to the following restrictions: (1) A person shall plant, cultivate, harvest, dry, or process plants in accordance with local ordinances, if any, adopted in accordance with subdivision (b). (2) The living plants and any cannabis produced by the plants in excess of 28.5 grams are kept within the person's private residence, or upon the grounds of that private residence (e.g., in an outdoor garden area), are in a locked space, and are not visible by normal unaided vision from a public place. (3) Not more than six living plants may be planted, cultivated, harvested, dried, or processed within a single private residence, or upon the grounds of that private residence, at one time.

Source: Santa Ana Municipal CodeView official code

Full Breakdown

California Proposition 64, codified in Health and Safety Code section 11362.2, lets adults 21 and over grow up to six plants for personal use at their primary private residence. Santa Ana implements this through Title 18.51 by requiring all personal cultivation to take place inside a fully enclosed, secured structure that is not visible from public view. Outdoor backyard grows are prohibited even if compliant with the six-plant cap. Plants must be kept away from children and reasonable security must prevent diversion. The six-plant cap is per residence, not per resident.

Violations & Fines

Outdoor cultivation of any cannabis, exceeding the six-plant limit per home, or growing in an unsecured area accessible to minors.

Frequently Asked Questions

Can two adults grow twelve plants together?
No. The six-plant cap is per private residence, not per adult. Two roommates living together share the same six-plant limit.
Can I use my balcony or patio?
No. Santa Ana requires fully enclosed indoor cultivation. Open balconies, patios, and yards are not allowed even if screened from view.

Sources & Official References

Other rules in Santa Ana

All Santa Ana rules

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