Green Diamond by Pro Seed

Green Diamond strain photo
Flower ±56 daysTHC 14%Cross Unknown Strain

Green Diamond, from breeder Pro Seed, is a hybrid strain descended from Unknown Strain. Indoors it typically finishes flowering in around 56 days after the flip to 12/12. Reported THC is 14%. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Green Diamond grows against.

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Similar strains

White WickaPro Seed · ±56 daysSweet MistressPro Seed · ±64 daysFemme FatalePro Seed · ±58 daysAphroditePro Seed · ±49 daysBella DonnaPro Seed · ±63 daysPurple PrincessPro Seed · ±50 daysAll Pro Seed →
BreederPro Seed
Flowering time±56 days
THC14%
EnvironmentIndoors
LineageUnknown Strain

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🧬 Explore the family: Unknown Strain

Ancestry Pedigree

Growing Green Diamond: what to expect

As a hybrid, expect a moderate stretch after the flip (around 100%) — but watch the plant, not the label: phenotypes within Green Diamond can lean either direction. Growers familiar with Unknown Strain 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.

Green Diamond FAQ

How long does Green Diamond take to flower?

Green Diamond 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 Green Diamond an indica or a sativa?

The breeder doesn't specify — treat it as a hybrid and read the plant.

What are the parents of Green Diamond?

Green Diamond was bred from Unknown Strain by Pro Seed.

How strong is Green Diamond?

Reported THC for Green Diamond is 14%. Actual potency depends heavily on environment, harvest ripeness, and cure quality.

What environment does Green Diamond 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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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.