Jack Herer
A spicy-pine sativa named for the cannabis activist — clear, functional, creative energy.
- Type
- Sativa
- Lineage
- Haze × (Northern Lights #5 × Shiva Skunk)
- THC
- 18–24%
- CBD
- <1%
- Flower time
- 9–10 wks
- Yield
- Moderate
- Height
- Tall
- Grow difficulty
- Intermediate
- Climate
- Both
Effects
Flavors & aroma
Dominant terpenes
Terpinolene
Herbal, floral, citrus, complexCommon in energetic sativa-leaning cultivars.
Pinene
Pine, rosemary, fresh forestAssociated with alertness and clear-headedness.
Caryophyllene
Black pepper, spice, woodThe only terpene that also binds cannabinoid receptors; peppery and warming.
Grower's notes
Multiple phenotypes exist; select for the one you like. Stretchy and vigorous — train early. A rewarding, aromatic daytime strain.
Grow guides for Jack Herer
Matched to this strain's intermediate difficulty, both climate, and tall structure.
Setting Up the Space: Ventilation, Odor & Electrical Safety
8 min read
Indoor vs. Outdoor: Choosing How You'll Grow
8 min read
Topping, FIM & Mainlining: Multiply Your Colas
9 min read · members
SCROG: Screen of Green for Maximum Canopy
7 min read
Temperature, Humidity, and VPD: The Environmental Triangle
8 min read
Transplanting Cannabis — When, Why, and How to Pot Up
7 min read
Companion Planting for Cannabis — Allies Your Garden Needs
7 min read · members
Living Soil & No-Till: Feed the Soil, Not the Plant
9 min read
Watering in Flower: Frequency, Runoff, and the Dry-Back Cycle
7 min read
LED Grow Light Mastery: PPFD Maps, Spectrum Tuning, and DLI Optimization
11 min read · members
Late Flower and Ripening: Weeks 7–10 and the Finish Line
9 min read · members
Mainlining (Manifold Technique): Building a Symmetrical Plant from Scratch
8 min read · members
Supercropping: The High-Stress Technique That Builds Bigger Branches
7 min read · members
Feeding in Flower: The Week-by-Week Nutrient Strategy
9 min read · members
Advanced Canopy Management: Even Light, Maximum Yield
9 min read · members
Growing in Cold Climates: Western New York and the Great Lakes Season
9 min read
Cannabis Pest Identification: Spider Mites, Thrips, Fungus Gnats, and More
9 min read
Bud Rot (Botrytis): Identification, Prevention, and Damage Control
7 min read
When to Harvest: Reading Trichomes Like a Grower
6 min read
Drying & Curing: Where Good Grows Become Great
9 min read · members
Educational profile · data varies by phenotype & grow · not medical advice · all strains