Duration by dose
As a rough guide for adults: 2.5 mg tends to run 2 to 4 hours; 5 mg about 4 to 6 hours; 10 mg roughly 6 to 8 hours; and 20 mg can stretch 8 to 12 hours with next-morning grogginess for some people. These are typical ranges, not rules. Tolerance compresses them for frequent consumers and stretches them for people who rarely consume. Inhaled cannabis, by contrast, usually fades within 2 to 3 hours — which is why an edible taken casually in the evening can still be with you late at night.
The shape of the curve
A typical edible session has four phases: a quiet stretch of 30 to 90 minutes while nothing seems to be happening, a ramp as effects arrive, a plateau at peak that can last one to three hours depending on dose, and then a long, gradual taper. The taper is the part people forget to plan for. You may feel fully clear-headed and still be less sharp than usual, which is one more reason never to drive after consuming at any dose.
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What makes effects last longer
Bigger doses obviously last longer, but so do fatty meals taken alongside the edible, chocolates and baked goods that digest slowly, and multi-serving packages eaten in one sitting. Alcohol makes the whole experience unpredictable and should be avoided. Low tolerance extends perceived duration too — the same 10 mg that feels routine to a daily consumer can dominate an occasional user's entire evening.
Planning your day around an edible
Work backward from when you need to be clear. If you have commitments in eight hours, a 10 mg dose is a poor fit. For sleep, dose well before bed so the peak lands before you lie down rather than at 3 a.m. For a social evening, 2.5 to 5 mg keeps things manageable for most beginners. And if you overshot, our guide on what to do if you took too much THC covers what genuinely helps while you wait it out.
Choosing products for a shorter session
If long duration is the problem, lower-dose formats are the answer. THC beverages, low-dose gummies, and tinctures let you dose in small increments. Good Grades carries all three, lab-tested with clear per-serving milligrams, available in store at 162-03 Jamaica Ave, for pickup, and for delivery where we serve. Valid 21+ government ID required.
Effects vary by person, tolerance, product type, and whether you have eaten recently. Start with a low dose and wait before taking more. Cannabis products are for adults 21+ only.
This page is general information, not medical advice. Cannabis is not offered here to treat, cure, or prevent any disease or condition. Good Grades is a licensed New York cannabis dispensary serving Queens customers through in-store shopping, pickup, and delivery where available.