Sweet ZZ by Royal Queen

Sweet ZZ strain photo
Type mostly indicaFlower ±56 daysTHC 22%Cross Grape Ape × Grapefruit

Sweet ZZ, from breeder Royal Queen, is an indica-leaning strain descended from Grape Ape × Grapefruit. Indoors it typically finishes flowering in around 56 days after the flip to 12/12. Reported THC is 22%. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Sweet ZZ grows against.

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BreederRoyal Queen
Typemostly indica
Flowering time±56 days
THC22%
EnvironmentOutdoors
LineageGrape Ape × Grapefruit
DescendantsZZ Punch, Sweet ZZ Automatic

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🧬 Explore the family: Grape Ape · Grapefruit · ZZ Punch · Sweet ZZ Automatic

Ancestry Pedigree

Grape Ape
Apothecary Genetics
Grand Daddy Purple
Unknown or Legendary
Skunk
Unknown or Legendary
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Colombia Sativa
Original Strains
Mendo Purps
Unknown or Legendary
USA Mostly Indica
Original Strains
Grapefruit
Clone Only Strains
Indica Sativa
Original Strains

Growing Sweet ZZ: 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 Grape Ape or Grapefruit 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.

Sweet ZZ FAQ

How long does Sweet ZZ take to flower?

Sweet ZZ 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 Sweet ZZ an indica or a sativa?

Sweet ZZ is listed as mostly indica.

What are the parents of Sweet ZZ?

Sweet ZZ was bred from Grape Ape × Grapefruit by Royal Queen.

How strong is Sweet ZZ?

Reported THC for Sweet ZZ is 22%. Actual potency depends heavily on environment, harvest ripeness, and cure quality.

What environment does Sweet ZZ 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 Sweet ZZ? 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.