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Irvine, CA Cannabis Regulations: Home Cultivation (2026)

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

Key Facts

Plant Limit
6 plants per household
Location
Indoors, locked, not visible from public
Outdoor Growing
Generally prohibited
HOA Rules
May impose additional restrictions
Age Requirement
21 years or older

Summary

Under California Proposition 64, adults 21 and older may cultivate up to six cannabis plants per household for personal use in Irvine. Plants must be grown indoors in a locked space not visible from a public place. Irvine's community association (HOA) rules may impose additional restrictions on cultivation in many of the city's planned communities. Outdoor cultivation is generally prohibited.

11362.2.

(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.

(b) (1) A city, county, or city and county may enact and enforce reasonable regulations to regulate the actions and conduct in paragraph (3) of subdivision (a) of Section 11362.1.

(2) Notwithstanding paragraph (1), a city, county, or city and county shall not completely prohibit persons engaging in the actions and conduct under paragraph (3) of subdivision (a) of Section 11362.1 inside a private residence, or inside an accessory structure to a private residence located upon the grounds of a private residence that is fully enclosed and secure.

(3) Notwithstanding paragraph (3) of subdivision (a) of Section 11362.1, a city, county, or city and county may completely prohibit persons from engaging in actions and conduct under paragraph (3) of subdivision (a) of Section 11362.1 outdoors upon the grounds of a private residence.

(4) Paragraph (3) shall become inoperative upon a determination by the California Attorney General that adult use of cannabis is lawful in the State of California under federal law, and an act taken by a city, county, or city and county under paragraph (3) is unenforceable upon the date of that determination by the Attorney General.

(5) For purposes of this section, “private residence” means a house, an apartment unit, a mobile home, or other similar dwelling. (Amended by Stats. 2017, Ch. 27, Sec. 130. (SB 94) Effective June 27, 2017. Note: This section was added on Nov. 8, 2016, by initiative Prop. 64.)

Source: California Proposition 64 — Adult Use of Marijuana ActView official code

Full Breakdown

Under Proposition 64, adults 21 and older may cultivate up to 6 cannabis plants per residence in Irvine. Cultivation must occur indoors or in a fully enclosed, locked structure not visible from public areas. Irvine maintains a conservative stance on cannabis, having banned all commercial dispensaries citywide. Odor must not create a nuisance for neighbors, which is particularly relevant given Irvine's dense planned community layout. Volatile solvents for extraction are prohibited. HOA CC&Rs may impose additional cultivation restrictions.

Violations & Fines

Exceeding plant limits: citation and removal. Public visibility: code enforcement action. Volatile extraction: criminal charges. Nuisance odor: HOA and city enforcement.

Frequently Asked Questions

Can I grow cannabis at home in Irvine?
Yes, adults 21 and older may grow up to six plants per household indoors in a locked space. Be aware that HOA rules in Irvine's planned communities may impose additional restrictions.
Can I grow cannabis outdoors in Irvine?
Outdoor cultivation is generally prohibited. Plants must be grown indoors in a secure, enclosed space not visible from public areas.

Sources & Official References

Other rules in Irvine

All Irvine rules

California rules heatmap·Compare Irvine to another location·View the California cannabis regulations overview

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Home Cultivation in Nearby Cities

How other cities in Orange County handle home cultivation.

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Orange, CA
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