Jack Herer autoflower cannabis plant with spear-shaped sativa buds

Autoflower seeds

HazexNorthern Lights #5xShiva SkunkxRuderalis

THC: 15-20%
Bloom: 9-10 wks from seed
Yield/sq ft: 1-1.3 oz
Level: Easy

Jack Herer Autoflower Seeds

From $65.00

Fresh pine, black pepper and a twist of citrus. A sativa-dominant autoflower that brings classic Jack Herer clarity to a compact plant ready 9-10 weeks from seed.

THC15-20%
Bloom9-10 weeks from seed
Height2-4 ft
LevelEasy

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SKU: BMS-JH-AUTO Categories: Autoflower Seeds, Beginner Seeds, Fast Flowering Seeds, Outdoor Seeds, Sativa Seeds

Quick answerJack Herer Auto is a sativa-dominant autoflower built from Haze, Northern Lights #5 and Shiva Skunk, with ruderalis added so it flowers on its own. It is known for a piney, spicy, herbal nose with a citrus edge, reported THC around 15-20%, and a finish 9-10 weeks from seed with no change to the light schedule.

Jack Herer Auto at a glance

THC15-20%Supplier reported. Clear and functional rather than knockout strong.

Flowering9-10 wksFrom seed, on 18/6 or 20/4

Indoor yield1-1.3 ozPer sq ft, small final pots

Height2-4 ftFits tents, closets and balconies

Outdoor harvest10-12 wksAfter sprouting, in any warm stretch

LifecycleSeed to harvest in about 10-12 weeksAutoflowering genetics, so there is no 12/12 switch and no waiting on fall

What is the Jack Herer Auto strain?

Jack Herer is named after the cannabis activist and author Jack Herer, best known for his book The Emperor Wears No Clothes. The original photoperiod version was first bred in the Netherlands in the 1990s from Haze, Northern Lights #5 and Shiva Skunk, and the name has been a fixture on sativa lovers’ lists ever since.

This autoflower version adds ruderalis to that recipe. Ruderalis switches a plant into flower based on age rather than day length, so it starts blooming on its own a few weeks after sprouting, under any light schedule. The trade-off is size: you get a compact plant of 2 to 4 feet instead of a towering photoperiod sativa.

What carries over is the character. Jack Herer Auto tends to build one dominant central cola with long, spear-shaped buds and a sharp pine and spice nose. If you are new to the format, our autoflower vs feminized guide explains how the two seed types differ.

HazeNorthern Lights #5 x Shiva Skunk

Haze x Northern Lights #5 x Shiva SkunkRuderalis

Jack Herer Auto

How it feels

Consumers often describe a clear, upbeat high that sharpens focus and gets ideas moving, with only a light body feel. It is generally reported as a daytime strain rather than a sleepy one.

First few minutesClean, alert lift
A quick rise in mood and energy, felt mostly behind the eyes.
At the peakFocused and creative
Many people report a heads-down, productive stretch with ideas flowing.
Later onBlissful, light finish
A mellow, contented glow that rarely turns heavy.

Commonly reportedCreativeUpliftedFocusedBlissful

Sativa-leaning strains can feel racy at higher doses, so start small. Commonly reported downsides include dry mouth, dry eyes and, for some people, jitteriness or anxiety at high doses. General reports, not medical guidance.

Aroma, flavor and terpenes

Sharp pine and black pepper lead, with a green, herbal middle and a little lemon peel on the finish. It smells fresh and resinous rather than sweet. Autos are small, but the scent still carries in late flower.

Flavor notesPineSpicyHerbalCitrus

TerpinolenePine, herbs, citrus

The fresh, layered top note common in Haze-family plants.

CaryophylleneBlack pepper, spice

Supplies the peppery, spicy bite.

PinenePine needles, resin

Reinforces the crisp, forest-like edge.

Terpinolene is volatile, so dry slowly at about 60°F and 60% humidity and give the buds a two-week jar cure to keep the bright pine notes intact.

How to grow Jack Herer Auto

Rated easy. Autoflowers run on their own clock, so the rules are simple: plant straight into the final pot, keep the lights on 18/6 or 20/4 the whole run and train gently, if at all.

Indoors

Light schedule: 18/6 or 20/4, seed to harvest
Container: 3-5 gallon final pot from day one
Early growth: 72-80°F, 55-65% RH
Flower climate: 68-80°F, 40-50% RH
Training: LST in weeks 2-4 only; no topping
Feeding: Light; autos burn easily

Outdoors

Plant out: Once nights stay above 50°F
Size: 2-4 ft, one main cola
Harvest: 10-12 weeks after sprouting
Runs: Two or more per season in warm zones
Best fit: Short seasons, patios, balconies
Watch for: Heat waves; shade pots in the afternoon

Read the full indoor grow guide

Jack Herer Auto suits first-time growers and anyone short on space. It stays 2 to 4 feet tall, is ready 9 to 10 weeks from seed indoors and needs no separate veg room or 12/12 flip. Rated easy, most problems come from treating it like a photoperiod plant.

Start in the final pot

Autoflowers live on a fixed timeline, and any setback in the first few weeks costs yield you cannot win back. Germinate, then plant straight into a 3 to 5 gallon fabric pot so there is no transplant shock. Use a light, airy mix and water in small circles around the seedling until the roots spread.

Light schedule

Run 18/6 or 20/4 from sprout to harvest. There is no flip: the ruderalis genetics move the plant into flower on their own a few weeks after sprouting. Aim for roughly 600-900 PPFD under LED once the plant is established.

Training

Skip topping. Jack Herer Auto naturally builds one long central cola, and cutting it costs recovery time the plant does not have. Use gentle low-stress training during weeks 2 to 4 only: bend the main stem sideways and tie it down so side branches catch more light. Once flowers set, leave the shape alone.

Feeding and harvest

Feed lightly. Small autos burn easily, so start at reduced strength and raise it only if lower leaves pale. Judge harvest by trichomes, not the calendar: mostly cloudy heads give the brightest effect, while a few amber heads add a softer finish.

Seed to jar in about 15 weeks

A typical indoor run on 18/6 or 20/4. There is no veg length to plan; the plant sets its own pace and is usually ready 9 to 10 weeks after it sprouts.

Germinate1 wkSeedling1 wkEarly growth2 wkFlower7 wkDry and cure4 wk

Week 1Week 15

Germinate weeks 1-1
Paper towel, then the final pot
Seedling weeks 2-2
Gentle light, 65-70% RH
Early growth weeks 3-4
LST in weeks 2-4 only
Flower weeks 5-11
Starts on its own, no flip
Dry and cure weeks 12-15
60°F, 60% RH, then jars

Growing Jack Herer Auto outdoors in the US

Outdoors, Jack Herer Auto is ready about 10 to 12 weeks after sprouting, no matter what the calendar says. That makes it a practical pick where summers are short, such as the northern Midwest, northern New England and the high country of Colorado and Utah. Plant out once nights stay above about 50°F and it will finish well before the first fall frost.

In longer-season states you can stack runs. A spring planting is done by early summer, a second round can follow right behind it, and in the South and Southwest a third run can often fit into fall, though late runs stay smaller as days shorten. Each plant stays 2 to 4 feet and can produce roughly 3.5 to 5 ounces, so it also works in containers on a patio, deck or balcony. Our outdoor planting guide lists frost dates by USDA zone.

Check your state’s home-grow rules and plant limits before you start, since they vary widely.

Will it finish where you live?

ExcellentInland California and the Southwest

A long frost-free season fits two or three runs; give pots afternoon shade in peak heat.

ExcellentColorado Front Range and Utah valleys

Plant in late May or June and it finishes well before high-elevation frost.

ExcellentMidwest

A 10-12 week plant fits neatly inside short, warm summers, with room for two runs farther south.

GoodNortheast

Finishes before fall rain; airy sativa buds handle humid weeks better than dense colas.

GoodSoutheast and Gulf Coast

Plenty of season for multiple runs, but July humidity and storms call for good spacing.

Check your state's home-grow rules before you plant. Laws by state

Who Jack Herer Auto is for

First-time growersEasy, compact and on autopilot: no light flip, no veg timing and no topping.
Fans of a clear-headed highPeople who want the focused, creative profile Jack Herer is known for, in a fast plant.
Short-season growersFinishes 10-12 weeks after sprouting, so northern gardens can still harvest outdoors.
Small-space growersAt 2-4 ft it fits closets, small tents and balcony planters.

Keep exploring

Autoflower seedsFast, compact plants on any light schedule Sativa seedsUplifting, creative strains Autoflower vs feminizedWhich seed type fits your grow What is terpinolene?The terpene behind the fresh pine nose Harvest date calculatorPlan your harvest from your sprout date

Jack Herer Auto strain data sheet

Genetics

Seed type: Autoflower
Genetics: Sativa-dominant hybrid (with ruderalis for autoflowering)
Lineage: Haze x Northern Lights #5 x Shiva Skunk x Ruderalis

Potency & profile

THC: 15-20% (supplier reported)
CBD: 0.1-1%
Commonly reported effects: Blissful, Creative, Focused, Uplifted
Flavors: Citrus, Herbal, Pine, Spicy
Dominant terpenes: Caryophyllene, Pinene, Terpinolene

Growing

Flowering time: 9-10 weeks from seed
Height: 2-4 ft
Difficulty: Easy
Climate: Mild to warm, 68-80°F, 40-50% RH in flower
Best USDA zones: 3-10 (short seasons OK)
Outdoor harvest: 10-12 weeks after sprouting

Yield

Indoor yield: 1-1.3 oz per sq ft
Outdoor yield: 3.5-5 oz per plant

Ranges are typical for this strain and vary with phenotype, environment and technique.

Jack Herer Auto FAQ

Is Jack Herer Auto indica or sativa?

Jack Herer Auto is a sativa-dominant hybrid with ruderalis added for autoflowering. It keeps the Haze-driven character of the original, with a clear, creative effect, but grows as a compact plant instead of a tall sativa.

How strong is Jack Herer Auto?

Our supplier reports THC around 15-20%, with CBD between 0.1% and 1%. That is solid potency for an autoflower, though phenotype, light intensity and harvest timing all move the final number.

How long does Jack Herer Auto take to flower?

Indoors, most plants are ready 9 to 10 weeks from seed, with no switch to 12/12 needed. Outdoors, plan on a harvest about 10 to 12 weeks after sprouting.

How much does Jack Herer Auto yield?

Indoors, a good setup can produce roughly 1 to 1.3 ounces per square foot. Outdoors, each plant can produce roughly 3.5 to 5 ounces, depending on sun, pot size and how smoothly the first few weeks go.

Is Jack Herer Auto good for beginners?

Yes, it is rated easy. It stays 2 to 4 feet tall, needs no light schedule change and forgives small mistakes, as long as you avoid transplanting and heavy feeding.

What does Jack Herer Auto smell like?

Pine and black pepper lead, with an herbal middle and a light citrus finish. Terpinolene, caryophyllene and pinene are the terpenes most often reported.

Where does Jack Herer Auto grow best outdoors in the US?

Almost anywhere with 10 to 12 sunny, frost-free weeks. It is especially handy in short-season areas like the northern Midwest, the Northeast and the Rockies, and in warmer states you can fit more than one run per season.

Who was Jack Herer?

The strain is named after Jack Herer, a cannabis activist and author best known for the book The Emperor Wears No Clothes. The original photoperiod Jack Herer was first bred in the Netherlands in the 1990s, and this autoflower version builds on that classic.

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