Jack Frost by Loompa Farms
Bred by Loompa Farms from Jack Herer × Frost Berry Blast, Jack Frost is a sativa-leaning cannabis variety. Indoors it typically finishes flowering in around 68 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Jack Frost grows against.
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Similar strains
| Breeder | Loompa Farms |
|---|---|
| Type | mostly sativa |
| Flowering time | ±68 days |
| Environment | Outdoors |
| Lineage | Jack Herer × Frost Berry Blast |
| Descendants | Here's Johnny |
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Growing Jack Frost: what to expect
As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Jack Herer or Frost Berry Blast 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.
Jack Frost FAQ
How long does Jack Frost take to flower?
Jack Frost typically flowers in around 68 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Jack Frost an indica or a sativa?
Jack Frost is listed as mostly sativa.
What are the parents of Jack Frost?
Jack Frost was bred from Jack Herer × Frost Berry Blast by Loompa Farms.
What environment does Jack Frost 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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