Fast & Vast by Heavyweight Seeds

Fast & Vast strain photo
Type ruderalis/indica/sativaFlower ±56 daysCross White Dwarf × Afghani

Fast & Vast, from breeder Heavyweight Seeds, is an indica-leaning strain descended from White Dwarf × Afghani. Indoors it typically finishes flowering in around 56 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Fast & Vast grows against.

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BreederHeavyweight Seeds
Typeruderalis/indica/sativa
Flowering time±56 days
CBD0.8%
EnvironmentOutdoors
LineageWhite Dwarf × Afghani

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🧬 Explore the family: White Dwarf · Afghani

Ancestry Pedigree

White Dwarf
Buddha Seeds
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Colombia Sativa
Original Strains
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains

Growing Fast & Vast: 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 White Dwarf or Afghani 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.

Fast & Vast FAQ

How long does Fast & Vast take to flower?

Fast & Vast typically flowers in around 56 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Fast & Vast an indica or a sativa?

Fast & Vast is listed as ruderalis/indica/sativa.

What are the parents of Fast & Vast?

Fast & Vast was bred from White Dwarf × Afghani by Heavyweight Seeds.

What environment does Fast & Vast 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 Fast & Vast? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.