Chem 91 S1. preserves Chem 91 rather than crossing it. The cut (the SKVA cut - the original Chemdog '91 and the clone the family takes its name from) was reversed onto itself, so both sides of every seed trace to it. It carries pungent turned earth and diesel with pine and citrus behind it. A clone-only plant has no other way of surviving in seed.
91 identifies the Chem used here. Numbered cuts come out of a population that was grown and sorted, and the number rides with the plant that was kept. Two crosses that both say Chem are only the same cross if the number matches too.
Genetic Lineage
- Mother and Father: Chem 91, selfed. The SKVA cut, the original Chemdog '91 and the clone the whole Chem family is named after. Parentage: one of thirteen seeds from a bag bought at a Grateful Dead show in 1991. Skunk VA was given a cut in 1995 and has held it since, which is why the line survives.
- Preservation, not novelty. A cut this old has no seed history - it has been passed hand to hand. A self is the only route to a packet, and the only way the line outlives the people currently holding it.
- Reading a pack of a self. There is no second parent introducing anything new. Selfing surfaces traits the clone carries quietly, so expect range rather than uniformity, and that spread is the point.
Flavor and Aroma Profile
- The Aroma. Pungent turned earth and diesel with pine and citrus sitting behind.
- The Taste. Greasy and mouth-coating, fuel then earth and pine, finishing sour.
Cultivation and Growth Traits
- Plant Structure. Loose and open rather than compact, moderate to heavy stretch, branches that soften under weight late.
- Before the flip. Decide the shape now. These lines do not tidy themselves up once they are running.
- Flowering Time. Chem 91 runs sixty-three to seventy days. Start checking trichomes a week before you expect to be ready.
Effects and Experience
- The Mind. Growers describe Chem 91 as alert and head-forward, sativa-leaning rather than heavy.
- The Body. Reported in line with that. This is not a plant described as pulling in two directions.
In the pack
Feminized seeds from Humboldt CSI. Nearly everything CSI put out is built from cuts they hold themselves rather than from other people's seed lines, which is why their catalogue reads like a list of clones instead of a list of brands. Original Humboldt CSI stock.
Chem 91 S1. – Humboldt CSI
- Brands CSI Humboldt
- Product Code: 0101011010
- Availability: Out Of Stock
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$150.00
Tags: cannabis seeds, feminized seeds, Humboldt CSI, CSI Humboldt, Chem 91, strain guide

