Jack Herer

Sativa variety from Seedstockers, flowering in 8-12 wks. Reference data for planning a grow, not a measurement of your plant.

SativaType
FeminizedSeed
8-12 wksFlowering
23-26%THC

20 breeders sell Jack Herer

Seedstockers is one of them. Photoperiod versions finish anywhere from week 7 to week 12. Compare every version side by side.

Grow information

How it grows

GrownIndoor, Outdoor
DifficultyBeginner Friendly

Traits are recorded only where the catalog stated them outright.

Reported

What growers describe

Reported by catalogs and growers, not measured from a plant.

Reported effects

  • Active
  • Relaxed
  • Talkative

Flavors

  • Candy
  • Earthy
  • Spicy
  • Lemon
  • Orange
  • Pine
  • Skunk

Aromas

  • Earthy
  • Spicy
  • Sweet
Lab tested

Measured samples

Medians of public flower-lot lab results for samples sold under the name Jack Herer, from the Cannlytics Hawaii dataset (CC BY 4.0). Market samples sharing the cultivar name, not a measurement of Seedstockers’s version and not a guarantee for any seed you buy.

Total THC15.23% median · 13 samples
THCA16.87% median · 13 samples
Δ9-THC0.33% median · 13 samples
Total CBD0% median · 13 samples
CBD0% median · 13 samples
Latest test2020-07-17
Planning

Schedule and VPD targets

Vapour pressure deficit targets by stage, measured from leaf temperature rather than air temperature. The same bands ChloroFile charts against.

StageWhenVPD target
SeedlingWeeks 1-20.4 - 0.8 kPa
VegetativeUntil you flip0.8 - 1.2 kPa
Early flowerFlower weeks 1-31.0 - 1.5 kPa
Late flowerFlower weeks 4-121.2 - 1.6 kPa

Counting from the flip, expect to harvest between week 8 and week 12.

Related

Where to look next

Grouped by how each one is related to this variety rather than ranked into a single list, because those are different questions.

Crosses made from this

Varieties that name this one as a parent.

If you liked this

No shared parentage, but they line up on type, flowering time and reported character.

  • Power PlantBSB Genetics · similar flowering time, similar potency
  • CandyLandGarden of Green · similar flowering time, same type

All Seedstockers varieties · All breeders

Track one of these

ChloroFile carries this whole reference offline. Pick a variety when you add a plant and it fills in the type, seed type, and flowering window, then logs what actually happened against it.

See what it does