SPECIALTY TOPICS · GUIDE
Cannabis Cultivar Directory (Commonly Called Strains)
A directory of named cannabis cultivars, commonly called strains, with documented identity, reported lineage and laboratory data kept separate, and no invented percentages.
Content last updated . This page has not been medically reviewed.
Back to Cannabis & CannabinoidsWhat this directory is
This is a directory of named cannabis cultivars, which many people call strains. Each entry keeps four kinds of information apart: the name and its aliases, reported lineage, the retail label (indica, sativa or hybrid), and measured laboratory values. Each cultivar page then adds what research does and does not show.What it does not do
It does not give a typical THC or CBD percentage for any cultivar, because a laboratory result describes one sample or one dataset and composition varies between batches. It does not treat a retail label, a lineage story or a cultivar name as proof of genetics, potency or effects. It lists no products, sellers or prices, and it sells nothing.How to read an entry
Read How Cultivar Profiles Work first. A row of data is shown only when a source we could read supports it, with its sample or batch, laboratory, test date and method when those were stated. If an entry says no laboratory measurements are documented, that is exactly what we found, and it is not a statement that the cultivar is weak, mild or unremarkable. For names, aliases and naming conflicts see Cultivar Names, Aliases and Naming Conflicts, and for how to weigh ancestry claims see Lineage Claims and Breeder Attribution.Related guides
Indica vs Sativa vs Hybrid, Cultivar Names vs Laboratory Profiles, How to Read a Cannabis Certificate of Analysis and Cannabis Impairment and Driving.Browse cultivars
26 cultivars have a published profile with sources. 1995 more are listed names: each shows only the name, any aliases, and the source that documents the name, with no profile and no data yet. A listed name is not a statement about its genetics, potency or effects.
13 entries. There is no potency filter because comparable, clearly contextualized data does not exist. Retail labels are marketing categories, not measurements. The directory is not complete: thousands of names exist, and it grows only as names can be verified.
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UC-RGM
Listed name, no profile yet
Name documented in: Health Canada, List of Approved Cultivars for the 2026 growing season: Industrial hemp varieties approved for commercial production. Read 2026-10-22. Page text read through the fetch tool's summary...
Naming note: Cannabis/hemp cultivar name. Registry context: Industrial hemp cultivar on the Health Canada List of Approved Cultivars (2026 growing season); Industrial hemp cultivar on the Health Canada List of Approved Cultivars (2012 growing season, historical).
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UK Cheese
Listed name, no profile yet
Name documented in: A single nucleotide polymorphism assay sheds light on the extent and distribution of genetic diversity, population structure and functional basis of key traits in cultivated north American cannabis...
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UK Cheese Auto
Listed name, no profile yet
Name documented in: Contributeurs de Wikipedia, Liste des lignées de cannabis (French Wikipedia, CC BY-SA 4.0; the page itself is tagged "à sourcer", i.e. unsourced). Read 2026-10-22. Lowest-confidence source: names o...
Naming note: Listed on French Wikipedia in the Ruderalis/autoflowering section.
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Ultra Lemon Haze
Listed name, no profile yet
Name documented in: Contributeurs de Wikipedia, Liste des lignées de cannabis (French Wikipedia, CC BY-SA 4.0; the page itself is tagged "à sourcer", i.e. unsourced). Read 2026-10-22. Lowest-confidence source: names o...
Naming note: Listed on French Wikipedia in the Ruderalis/autoflowering section.
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Ultra Skunk
Listed name, no profile yet
Name documented in: Contributeurs de Wikipedia, Liste des lignées de cannabis (French Wikipedia, CC BY-SA 4.0; the page itself is tagged "à sourcer", i.e. unsourced). Read 2026-10-22. Lowest-confidence source: names o...
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UltraSour
Listed name, no profile yet
Name documented in: Development and validation of a minimal SNP genotyping panel for the differentiation of Cannabis sativa cultivars (Cull et al.). BMC Genomics, 2025; PMID 39875833; DOI 10.1186/s12864-025-11263-z. R...
Naming note: Licensed-producer cultivar (Canada); sample name as given by the producer
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Ultraviolet
Listed name, no profile yet
Name documented in: Contributeurs de Wikipedia, Liste des lignées de cannabis (French Wikipedia, CC BY-SA 4.0; the page itself is tagged "à sourcer", i.e. unsourced). Read 2026-10-22. Lowest-confidence source: names o...
Naming note: Listed on French Wikipedia as a clone-only line.
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Umpqua
Listed name, no profile yet
Name documented in: Correlations among morphological and biochemical traits in high-cannabidiol hemp (Cannabis sativa L.) (Stack et al.). Plant Direct, 2023; PMID 37347078; DOI 10.1002/pld3.503. Hemp (high-CBD) cultiv...
Naming note: Industrial hemp cultivar (high-CBD)
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Uniko B
Listed name, no profile yet
Name documented in: Health Canada, List of Approved Cultivars for the 2026 growing season: Industrial hemp varieties approved for commercial production. Read 2026-10-22. Page text read through the fetch tool's summary...
Naming note: Cannabis/hemp cultivar name. Registry context: Industrial hemp cultivar on the Health Canada List of Approved Cultivars (2026 growing season); Industrial hemp cultivar on the Health Canada List of Approved Cultivars (2012 growing season, historical); Hemp variety on the Dutch RVO list of permitted hemp varieties for 2026 (EU Common Catalogue varieties eligible for CAP support); Hemp variety on the Dutch RVO list of permitted hemp varieties for 2025; Hemp variety on the Dutch RVO list of permitted hemp varieties for 2024; Hemp variety in the EU Common Catalogue as of 15 March 2026 (list republished by WIBank Hessen for CAP direct payments).
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USO 14
Listed name, no profile yet
Name documented in: Health Canada, List of Approved Cultivars for the 2026 growing season: Industrial hemp varieties approved for commercial production. Read 2026-10-22. Page text read through the fetch tool's summary...
Naming note: Cannabis/hemp cultivar name. Registry context: Industrial hemp cultivar on the Health Canada List of Approved Cultivars (2026 growing season); Industrial hemp cultivar on the Health Canada List of Approved Cultivars (2012 growing season, historical).
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USO 31
Listed name, no profile yet
Name documented in: Health Canada, List of Approved Cultivars for the 2026 growing season: Industrial hemp varieties approved for commercial production. Read 2026-10-22. Page text read through the fetch tool's summary...
Naming note: Cannabis/hemp cultivar name. Registry context: Industrial hemp cultivar on the Health Canada List of Approved Cultivars (2026 growing season); Industrial hemp cultivar on the Health Canada List of Approved Cultivars (2012 growing season, historical); Hemp variety on the Dutch RVO list of permitted hemp varieties for 2026 (EU Common Catalogue varieties eligible for CAP support); Hemp variety on the Dutch RVO list of permitted hemp varieties for 2025; Hemp variety on the Dutch RVO list of permitted hemp varieties for 2024; Hemp variety in the EU Common Catalogue as of 15 March 2026 (list republished by WIBank Hessen for CAP direct payments); Example variety named in the UPOV Test Guidelines for Hemp, Cannabis (TG/276/2, 2025); variety type AS; Hemp fiber variety evaluated in the University of Vermont Extension 2023 industrial hemp fiber variety trial.
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Utopia Haze
Listed name, no profile yet
Name documented in: Wikipedia contributors, Cannabis Cup, past-winners lists. Wikipedia (CC BY-SA 4.0). Read 2026-10-22. Only strain/flower categories used (not hash, products, glass, booths). | Wikipedia, Cannabis Cu...
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UW
Listed name, no profile yet
Name documented in: Contributeurs de Wikipedia, Liste des lignées de cannabis (French Wikipedia, CC BY-SA 4.0; the page itself is tagged "à sourcer", i.e. unsourced). Read 2026-10-22. Lowest-confidence source: names o...
Naming note: Listed on French Wikipedia as a clone-only line.
Frequently asked questions
Why are some cultivars missing?
Only cultivars with enough readable, citable sources are published. Others stay in draft until their identity and lineage claims can be supported.
Why is there no potency filter?
Laboratory results describe a single sample or dataset, and they are not comparable across sources. A filter would imply a ranking that the data cannot support.
Does a cultivar name tell me what a product contains?
No. Names are not regulated in a consistent way, and the same name can describe different plants and different batches. Only a laboratory report for the specific batch describes that batch.
Are these cultivars recommended for any condition?
No. Nothing here recommends a cultivar for a symptom or condition. Personal descriptions are labeled as anecdotes, and research is described separately.