Northern Flame by Secret Valley
A sativa-leaning cross of Mostly Sativa, Northern Flame — released by Secret Valley — shows up in a lot of tents for good reason. Indoors it typically finishes flowering in around 60 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Northern Flame grows against.
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Similar strains
| Breeder | Secret Valley |
|---|---|
| Type | mostly sativa |
| Flowering time | ±60 days |
| Environment | Outdoors |
| Lineage | Mostly Sativa |
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🧬 Explore the family: Mostly Sativa
Ancestry Pedigree
Original Strains
Growing Northern Flame: 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 Mostly Sativa 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.
Northern Flame FAQ
How long does Northern Flame take to flower?
Northern Flame typically flowers in around 60 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Northern Flame an indica or a sativa?
Northern Flame is listed as mostly sativa.
What are the parents of Northern Flame?
Northern Flame was bred from Mostly Sativa by Secret Valley.
What environment does Northern Flame 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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Facts compiled from public breeder listings. Growing Northern Flame? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
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