Genetics
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Hybrid retail shopping label — not genetics

Steamboat Willy Strain

Steamboat Willy is a hybrid strain (Black Domina × Romulan). ~27% THC.

Median THC
27%
Flowering
Breeder releases
0
Avg rating

Chemotype genetics-true

THC
27%
Chemotype
Type I
THC-dominant

Chemotype — the cannabinoid and terpene profile — is the lab-verifiable signal that stays true to a cultivar’s genetics, which is why scientists classify cannabis by chemical profile (a “chemovar”) rather than by name (Hazekamp & Fischedick 2012). Cannabinoid type is set largely by a single gene (the THC:CBD ratio); about 96% of commercial flower is Type I, THC-dominant. Terpene profiles are sourced from Certificates of Analysis (COA) and roll out as Areto’s lab-verified data comes online.

Genetics & Lineage

Parents
This strainSteamboat Willy

Strain profile

This is a community-sourced cultivar profile — type, cannabinoid, terpene, effect and lineage data compiled from public reporting. Breeder seed releases appear here as they are matched into the catalog.

Frequently asked questions

What are the genetics of Steamboat Willy?
Steamboat Willy comes from Black Domina × Romulan.
Is Steamboat Willy indica or sativa?
Steamboat Willy is classified as hybrid.
How much THC does Steamboat Willy have?
Across breeder releases, Steamboat Willy tests around 27% THC.