Lennon by Pyramid Seeds

Lennon strain photo
Type mostly sativaFlower ±80 daysTHC 18%Cross Jack Herer

Lennon, from breeder Pyramid Seeds, is a sativa-leaning strain descended from Jack Herer. Indoors it typically finishes flowering in around 80 days after the flip to 12/12. Reported THC is 18%. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Lennon grows against.

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BreederPyramid Seeds
Typemostly sativa
Flowering time±80 days
THC18%
EnvironmentOutdoors
LineageJack Herer
DescendantsAuto Lennon, Amnesia Gold

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🧬 Explore the family: Jack Herer · Auto Lennon · Amnesia Gold

Ancestry Pedigree

Jack Herer
Sensi Seeds
Northern Lights Nr5
The Seed Bank
Purest Indica
Clone Only Strains
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
Hawaii Sativa
Original Strains
Skunk Nr1
Sensi Seeds
Skunk Nr1
The Seed Bank
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains

Growing Lennon: what to expect

As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Jack Herer will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.

Lennon FAQ

How long does Lennon take to flower?

Lennon typically flowers in around 80 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Lennon an indica or a sativa?

Lennon is listed as mostly sativa.

What are the parents of Lennon?

Lennon was bred from Jack Herer by Pyramid Seeds.

How strong is Lennon?

Reported THC for Lennon is 18%. Actual potency depends heavily on environment, harvest ripeness, and cure quality.

What environment does Lennon like?

Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.

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Facts compiled from public breeder listings. Growing Lennon? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.