Reviewed Sep 2026Adult-use legal

Cannabis in Windsor Mill

Adult use legal since July 1, 2023 (Question 4, 2022)

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The rules

Plain-language summary. The regulator is Maryland Cannabis Administration (MCA).

Legal status
Adult use legal since July 1, 2023; medical program continues
Minimum age
21 for adult use with government photo ID; medical patients 18+ (minors with a parent/guardian caregiver)
Purchase and possession
Personal-use amount: 1.5 oz flower, 12 g concentrate, or products up to 750 mg THC; over that and up to 2.5 oz is a civil offense
Home grow
2 plants per household out of public view (21+); registered patients may grow 2 more, max 4 per residence
Public use
Smoking cannabis prohibited in any public place and in vehicles; no possession on federal property
Taxes
12% sales tax on adult-use cannabis since July 1, 2025 (previously 9%)
Medical card
Register via Maryland OneStop, obtain provider certification; physical ID card $25 (printable copy free)
Delivery
Standard dispensaries may deliver medical cannabis through June 30, 2027 (HB 622, 2026); some stores advertise adult-use delivery in select counties
Out-of-state visitors
Adults 21+ with valid ID may buy; carrying cannabis across state lines is illegal

Summary, not legal advice — rules change; check local law. Last reviewed Sep 2026.

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