"Sativa" is a label on a jar. It is not a chemical test result. Stores in the US sell flower marked sativa at 18% THC and flower marked indica at 24% THC. Lab studies of strain names find weak links between the printed name and the cannabinoids inside. For daytime use, read the lab sheet. The word on the jar tells you little.
THC numbers on flower
Most flower in US stores tests between 15% and 25% THC. Flower sold as high THC runs 25% to 30%. One gram of 28% flower holds about 280 mg of THC. A 0.3 g bowl holds about 84 mg. Inhalation delivers part of that. Estimates for smoked THC delivery range from 10% to 25%.
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States set the margin between the printed number and the lab value. Ask for the batch test date. Terpene content sits on the same sheet.
Terpenes sold for daytime
Terpinolene, pinene, and limonene show up in strains that stores label as daytime. Terpinolene smells of pine and citrus. Pinene smells of pine. Limonene smells of citrus peel. Total terpenes in flower often land between 1% and 3% by weight.
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Dose and timing
A low THC dose is 1 mg to 2.5 mg. A standard edible serving in most states is 5 mg or 10 mg. Inhaled effects start in 1 to 5 minutes. Edible effects start in 30 to 120 minutes and can last 4 to 6 hours. Wait two hours before a second dose.
Risks
High THC doses raise the odds of anxiety, fast heart rate, and short-term memory trouble. Daily use of high potency products is linked to cannabis use disorder. People with a family history of psychosis face higher risk. Driving while impaired is illegal in every state.
Questions for the counter
- What is the THC percentage and the batch test date?
- What is the total terpene percentage?
- What is the package date?
- Is there a lower potency or smaller package size?