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Islip, NY Cannabis Regulations: Personal Cultivation Limits (2026)

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

Key Facts

Per-person limit
3 mature + 3 immature plants
Per-residence cap
6 mature + 6 immature plants
Possession limit
5 lbs on the property
Minimum age
21
Sale of home-grown cannabis
Prohibited, § 8-13(B)
Max penalty
$2,000 per day, § 8-14

Summary

Adults 21 and older in Islip may grow cannabis at home, but Town Code § 8-13 caps it at three mature and three immature plants per person, six mature and six immature per residence, and five pounds of cannabis on the property.

A. Individuals 21 or older may plant, cultivate, harvest, dry, process and possess up to three mature cannabis plants and three immature cannabis plants at their private residence at any one time. ... D. No more than six mature and six immature cannabis plants may be cultivated within any private residence, regardless of the number of individuals 21 or older who reside there. Individuals may lawfully possess up to five pounds of cannabis in their private residence or on the grounds of their private residence, so long as they take reasonable steps designed to ensure that the cannabis is in a secured place not accessible to any person under 21.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4826765; v112 updated 2026-02-24; through 02-24-2026).

Full Breakdown

Section 8-13 sets Islip's local limits on home cannabis growing, layered on top of state law. ' Subsection D caps the household total regardless of how many adults live there: 'No more than six mature and six immature cannabis plants may be cultivated within any private residence,' and residents 'may lawfully possess up to five pounds of cannabis in their private residence or on the grounds of their private residence,' provided it's kept secure and inaccessible to anyone under 21. Subsection B bars any sale of home-grown cannabis and prohibits using compressed gas solvents such as propane or butane to process or extract it.

Subsection C requires cannabis to be stored securely so it isn't accessible to minors. 15 'is prohibited until the NYS Office of Cannabis Management issues regulations for home cultivation and storage', tying the local limits to the pace of state rulemaking. The article was adopted by Local Law No. 7-2022 and took effect on filing with the New York Secretary of State.

Violations & Fines

Growing more than three mature and three immature plants per adult, or more than six mature and six immature plants per residence regardless of occupants, exceeds § 8-13's limits. Selling home-grown cannabis, using compressed gas solvents to process it, or failing to secure it from minors also violates the article; Chapter 8 violations carry civil penalties of up to $2,000 per day under § 8-14.

Frequently Asked Questions

How many cannabis plants can I grow at home in Islip?
Up to three mature and three immature plants per adult 21 or older under § 8-13(A), capped at six mature and six immature plants per residence total under § 8-13(D), no matter how many adults live there.
How much home-grown cannabis can I keep in Islip?
Section 8-13(D) allows up to five pounds of cannabis on the residence or its grounds, as long as it's stored securely so it isn't accessible to anyone under 21.
Can I sell cannabis I grew at home in Islip?
No. Section 8-13(B) states home-cultivated cannabis 'cannot be sold to anyone and is only intended for personal use,' and bans using compressed gas solvents like propane or butane to process it.

Sources & Official References

Other rules in Islip

All Islip rules

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