Abacus by Yin Yang
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Abacus lands on the indica-leaning side of the spectrum, Yin Yang's take on the Hindu Kush Indica × Unknown Strain line. Indoors it typically finishes flowering in around 65 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Abacus grows against.
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Similar strains
| Breeder | Yin Yang |
|---|---|
| Type | mostly indica |
| Flowering time | ±65 days |
| Environment | Outdoors, Greenhouse |
| Lineage | Hindu Kush Indica × Unknown Strain |
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🧬 Explore the family: Hindu Kush Indica · Unknown Strain
Ancestry Pedigree
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Growing Abacus: 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 Hindu Kush Indica or 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.
Abacus FAQ
How long does Abacus take to flower?
Abacus typically flowers in around 65 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Abacus an indica or a sativa?
Abacus is listed as mostly indica.
What are the parents of Abacus?
Abacus was bred from Hindu Kush Indica × Unknown Strain by Yin Yang.
What environment does Abacus 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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