ChloroFileJack Herer
Hybrid variety from 34 Street Seed Co., flowering in 9-10 wks. Reference data for planning a grow, not a measurement of your plant.
Catalogue data last updated 17 October 2026.
20 breeders sell Jack Herer
34 Street Seed Co. is one of them. Photoperiod versions finish anywhere from week 7 to week 12. Compare every version side by side.
Where it came from
| Lineage | Northern Lights x Haze x Skunk |
What growers describe
Reported by catalogs and growers, not measured from a plant.
Reported effects
- Relaxed
- Talkative
Flavors
- Lemon
- Orange
- Pine
- Skunk
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 34 Street Seed Co.’s version and not a guarantee for any seed you buy.
| Total THC | 15.23% median · 13 samples |
| THCA | 16.87% median · 13 samples |
| Δ9-THC | 0.33% median · 13 samples |
| Total CBD | 0% median · 13 samples |
| CBD | 0% median · 13 samples |
| Latest test | 2020-07-17 |
Schedule and VPD targets
Vapour pressure deficit targets by stage, measured from leaf temperature rather than air temperature. The same bands ChloroFile charts against.
| Stage | When | VPD target |
|---|---|---|
| Seedling | Weeks 1-2 | 0.4 - 0.8 kPa |
| Vegetative | Until you flip | 0.8 - 1.2 kPa |
| Early flower | Flower weeks 1-3 | 1.0 - 1.5 kPa |
| Late flower | Flower weeks 4-10 | 1.2 - 1.6 kPa |
Counting from the flip, expect to harvest between week 9 and week 10.
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.
- Dark PhoenixGreen House Seed Co. · similar potency
- Jack Flash #5Sensi Seeds
- Big Devil XL AutoSweet Seeds
- Sir JackExotic Seed
If you liked this
No shared parentage, but they line up on type, flowering time and reported character.
- Dream QueenHumboldt Seed Company · similar effects
- JealousyBarney's Farm · similar effects, similar potency
Also close in the catalogue
From the older ranking, which puts shared parentage first and then breeder and cultivar family, without recording which of them applied.
- Jack HererPev Seeds
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.