Provenance
Identity and sources
| Breeder | Old School Genetics |
|---|---|
| Recorded genetics | 10K Jack × A5 Haze |
| Source page | old-school-genetics.com ↗ |
| Last read | 15 Sept 2026 |
| Read via | structured data on the breeder page |
Each value links to the page it was read from. A breeder's figure is their claim, not a lab result.
Cultivation
Grow info
| Seed type | Regular |
|---|---|
| Flowering type | Photoperiod |
| Flowering time | 10–13 wk |
Lineage
Genetics & lineage
As written by the breeder. Linked names are cataloged here.
Data trust
Where this row came from
- Source
- old-school-genetics.com ↗
- Fields with a published source
- 5
- Fetched
- 15 Sept 2026
We never copy values between breeders. Old School Genetics's Jack A5 is not another breeder's Jack A5.
Lab data
No lab report here yet
Have a lab report for Jack A5?
Breeders publish claims; a COA is a measurement. We cannot read them off anybody’s website — of 160 products checked, none carried one — so the only way they get here is if somebody sends one.
Same catalog
More from Old School Genetics
- Regular
Albany Sour clone only × Blue Ribbon Sour
- Flowering
- 9–10 wk
Yield: Medium to high
Alien Rock Candy × Oreoz
- Flowering
- 8–9 wk
Yield: Medium–High
Animal Mints × Permanent Marker
- Flowering
- 8–10 wk
Yield: Medium
Shared genetics
Similar strains
Share a parent with this strain
- Regular
A5 Haze × Papúa Nueva Guinea
- Flowering
- 14–20 wk
- THC
- 15–20%
- CBD
- 0–0.1%
- I/S
- 20/80
- HybridFeminized
Thai Chiang Mai × A5 Haze (Northern Lights #5 × Original Haze male A)
- THC
- 13.5–19.5%
- CBD
- 0%
- I/S
- 10/90
Yield: Medium
- Feminized
Green Oldtimer’s Haze #19 × A5 Haze (Northern Lights #5 × Original Haze male A)
- Flowering
- 13–16 wk
- THC
- 15%
- I/S
- 10/90
Yield: High, particularly on lateral branches, making it SCROG and pruning-friendly
- Regular
A5 Haze × Zamaldelica I+D
- Flowering
- 11–14 wk
- THC
- 17–23%
- I/S
- 20/80
