UHF by Red Scare
UHF is an indica-leaning cannabis strain from Red Scare, bred by crossing Afghani × GMO Fuel. Indoors it typically finishes flowering in around 70 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real UHF grows against.
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Similar strains
| Breeder | Red Scare |
|---|---|
| Type | indica/sativa |
| Flowering time | ±70 days |
| Environment | Outdoors, Greenhouse |
| Lineage | Afghani × GMO Fuel |
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🧬 Explore the family: Afghani · GMO Fuel
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Growing UHF: 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 Afghani or GMO Fuel 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.
UHF FAQ
How long does UHF take to flower?
UHF typically flowers in around 70 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is UHF an indica or a sativa?
UHF is listed as indica/sativa.
What are the parents of UHF?
UHF was bred from Afghani × GMO Fuel by Red Scare.
What environment does UHF 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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