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Jack Herer × Lemon Kush — focused citrus sativa.
Lemon Jack is a Jack Herer × Lemon Kush cross — sativa-dominant with a chemical-lemon aroma and a focused, head-forward effect curve. Customers reach for it when they want a clear citrus head-up that leans more talkative than racey. Mid-morning to mid-afternoon session pick.
Genetics
Lemon Jack's parents, descendants, and sister strains in the catalog.
Aromatic chemistry
Both are lemon-forward sativas. Lemon Jack comes through Jack Herer — more focused and head-forward. Lemon Haze comes through Silver Haze — longer ceiling, more head-up. Different feel, similar nose.
Lemon Jack is a sativa — head-up and uplifted in character, with the energetic profile customers expect from sativa-dominant flower. The lineage is Jack Herer × Lemon Kush.
Lemon Jack hits sharp lemon up front, light pine through the middle, and earth on the exhale. The smell out of the jar reads the same way — distinctive once you've had it once or twice.
Lemon Jack tests in the 17–22% THC range — a moderate, mainstream potency band. Most customers find it predictable without being overwhelming.
Lemon Jack reads as a daytime strain — head-up and uplifted, the kind customers commonly reach for in the morning or early afternoon when there's still a to-do list.
Verified May 16, 2026 against 2 sources.
21+. Cannabis affects people differently — your experience may vary. Not medical advice. Effects described are common customer reports, not promises. Seattle Cannabis Co., Seattle, WA.