Special Crystal Haze by Bulk Seed Bank

Special Crystal Haze strain photo
Type mostly sativaFlower ±74 daysTHC 19%Cross Super Silver Haze

Bred by Bulk Seed Bank from Super Silver Haze, Special Crystal Haze is a sativa-leaning cannabis variety. Indoors it typically finishes flowering in around 74 days after the flip to 12/12. Reported THC is 19%. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Special Crystal Haze grows against.

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BreederBulk Seed Bank
Typemostly sativa
Flowering time±74 days
THC19%
EnvironmentOutdoors
LineageSuper Silver Haze

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🧬 Explore the family: Super Silver Haze

Ancestry Pedigree

Super Silver Haze
Green House Seeds
Original Haze
Cultivators Choice
Haze
Unknown or Legendary
Colombia Sativa
Original Strains
Colombia Sativa
Original Strains
Colombia Sativa
Original Strains
Original Haze
Cultivators Choice
Purest Indica
Clone Only Strains
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
Hawaii Sativa
Original Strains

Growing Special Crystal Haze: 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 Super Silver Haze 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.

Special Crystal Haze FAQ

How long does Special Crystal Haze take to flower?

Special Crystal Haze typically flowers in around 74 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Special Crystal Haze an indica or a sativa?

Special Crystal Haze is listed as mostly sativa.

What are the parents of Special Crystal Haze?

Special Crystal Haze was bred from Super Silver Haze by Bulk Seed Bank.

How strong is Special Crystal Haze?

Reported THC for Special Crystal Haze is 19%. Actual potency depends heavily on environment, harvest ripeness, and cure quality.

What environment does Special Crystal Haze 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 Special Crystal Haze? 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.