Black Jack F1 Fast Version by Sweet Seeds
Growers reach for Black Jack F1 Fast Version as an indica-leaning option, a cross of SAD Sweet Afgani Delicious Auto × Jack Herer out of Sweet Seeds. Indoors it typically finishes flowering in around 53 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Black Jack F1 Fast Version grows against.
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Similar strains
| Breeder | Sweet Seeds |
|---|---|
| Type | indica/sativa |
| Flowering time | ±53 days |
| Environment | Outdoors |
| Lineage | SAD Sweet Afgani Delicious Auto × Jack Herer |
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Growing Black Jack F1 Fast Version: what to expect
As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with SAD Sweet Afgani Delicious Auto or 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.
Black Jack F1 Fast Version FAQ
How long does Black Jack F1 Fast Version take to flower?
Black Jack F1 Fast Version typically flowers in around 53 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Black Jack F1 Fast Version an indica or a sativa?
Black Jack F1 Fast Version is listed as indica/sativa.
What are the parents of Black Jack F1 Fast Version?
Black Jack F1 Fast Version was bred from SAD Sweet Afgani Delicious Auto × Jack Herer by Sweet Seeds.
What environment does Black Jack F1 Fast Version 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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