Jack Herer Auto


Jack Herer Auto has everything any grower desires. It is a simple and undemanding plant that offers top quality harvests in only 65 days from germination. With a final size of one meter, it is very discreet and suitable for terraces and balconies. The huge buds are covered with a thick layer of resin with a pleasant herbal, woody and spicy aroma that is only a prelude to the best is yet to come. A few puffs will be enough for a wave of positive sensations to invade your being, filling you with energy and happiness.

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Jack Herer Auto is our autoflowering version of one of the most delicious and potent marijuana varieties ever created, winner of multiple awards, cups and mentions that corroborate its enormous quality.

This Sativa-dominant strain was born as a tribute from Sensi Seeds to their friend Jack Herer, cannabis activist and author of works such as The Emperor is Naked, where he tells us what a future with cannabis as a substitute for fossil fuels would be like.

For its development, the 3 most influential strains in history such as Skunk, Haze and Northern Lights #5 were used in a precise combination that is still difficult to decipher today.

Nowadays there are many seed banks that have their own versions or works from a selection of Jack Herer. From Advanced Seeds or Greenhouse, to Critical Jack Herer, Black Jack or Jack 47.

How to grow Jack Herer Auto

It is a fast growing plant, very easy and resistant both indoors and outdoors. It stays below a height of 1 meter, ideal for small terraces or balconies where it will not attract the attention of the most curious eyes.

Autoflowering cannabis strains all have a very similar behavior. They grow for about 3-4 weeks and then start to flower regardless of the size and the amount of hours of light they receive.

During this short phase, the plants should grow without interruptions such as those caused by transplanting. We recommend that you opt for a pot of at least 20 liters from the very beginning. And of course a good substrate.

From germination, the buds are harvested in only 65 days. Anyone can grow up to 3 consecutive crops throughout the entire outdoor growing season.

Characteristics of Jack Herer Auto

The flowers are very large, compact and resinous. Its Skunk influence makes its smell in bloom is very intense. Indoors we recommend using a good anti-odor system.

The aroma and flavor is delicious, classic old school Dutch. There are clear notes of spices, fresh herbs, pepper and pine wood.

The effects are very powerful, a gale of positive, creative, energetic and happy sensations will run through your body, keeping you high for long hours.

Production is very, very high considering its compact size. The tallest plants will offer you up to 200 grams. Indoors, with LED lighting of 300-350 W, yields will be 450-550 grams per m².

What we like the most

  • Very easy to grow.
  • XXL production.
  • It is harvested in only 65 days.
  • Genuine old school flavor.
  • Euphoric, energetic and happy effects.
  • Price.

What we like least

  • It is very fragrant in bloom.

Frequently Asked Questions

Below you will find the answers to the most frequently asked questions from growers interested in this cannabis strain:

When does Jack Herer Auto start flowering outdoors?

After 3-4 weeks from germination, the plants begin to flower.

How long does it take to harvest a Jack Herer Auto from germination?

It is a very fast autoflowering marijuana strain. In total, it is harvested in only 65 days.

How to grow a feminized Jack Herer Auto?

It is very easy to grow, resistant and discreet. Avoid transplants, as they can slow down its growth. It is better to go for a large pot right from the start.

What are the effects of Jack Herer Auto in bulk?

The effects are very cerebral, energetic, euphoric, creative and especially happy.

Additional information




Mostly Sativa


Jack Herer x Ruderalis



Recommended crop

Interior and exterior

Full life cycle

Short: less than 75 days



Indoor production

450-550 g/m2

Outdoor production

100-200 g/plant

Outdoor height

1 m

Aromas and flavours

Herbal, Pepper, Pine, Spices, Wood


Creativity, Energy, Euphoria, Happiness


15% – 20%


Low: < 1%.


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