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Rhode Island Statewide Rule

Rhode Island Cannabis Home Cultivation Limits Set Statewide

Some RestrictionsApplies statewide across Rhode Island (2026)

Key Facts

Statute
Section 21-28.11-22
Plant limit
3 mature, 3 immature
Applies per
Dwelling unit, not person
Age
21 and older
Home storage
Up to 10 ounces
Last verified: September 5, 2026Source: Rhode Island General Assembly

Summary

The Rhode Island Cannabis Act, R.I. Gen. Laws Chapter 21-28.11, lets adults 21 and older cultivate a limited number of cannabis plants at home. Section 21-28.11-22 allows up to three mature and three immature plants per dwelling unit.

(a) Notwithstanding any other general or special law to the contrary, except as otherwise provided in this chapter, a person twenty-one (21) years of age or older shall not be arrested, prosecuted, penalized, sanctioned or disqualified under the laws of the state in any manner, or denied any right or privilege and shall not be subject to seizure or forfeiture of assets for: (1) Possessing, using, purchasing from a licensed cannabis retailer, or processing one ounce (1 oz.) or less of cannabis, or the equivalent amount in the form of cannabis concentrate; (2) Within any residence, possessing, cultivating or processing not more than a total of three (3) mature cannabis plants and up to a total of three (3) immature cannabis plants per dwelling unit for personal use and as long as all security requirements as promulgated by the commission are complied with. These limits shall apply no matter how many persons reside at the premises;

Source: Rhode Island General AssemblyView official code

Full Breakdown

Under R.I. Gen. Laws Chapter 21-28.11 (the Rhode Island Cannabis Act of 2022), adults 21 and older may possess up to one ounce in public and store up to ten ounces at home. Section 21-28.11-22 permits home cultivation of no more than three mature and three immature cannabis plants per dwelling unit, a per-household limit rather than per person. Plants must be grown out of public view in a secure space inaccessible to anyone under 21. Medical patients and caregivers operate under separate, more permissive tagged-plant rules.

Violations & Penalties

Exceeding the plant limit or improper storage can bring civil fines, forfeiture of plants, and possible criminal charges for distribution outside the personal-use scheme.

Frequently Asked Questions

Can my Rhode Island city ban home cannabis growing?
The Cannabis Act authorizes adult home cultivation statewide within statutory limits; it does not expressly grant municipalities power to ban personal cultivation, though landlords may restrict growing in rentals.
How many cannabis plants can I grow at home?
Up to three mature and three immature plants per dwelling unit under Section 21-28.11-22, grown out of public view in a secure area inaccessible to anyone under 21.

Sources

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