The strain-name problem
Strain names aren’t trademarks, registrations or lab results. They’re labels, and anyone can apply any label to any plant. Cuttings get passed between growers and renamed along the way. A popular name sells, so it gets attached to whatever is available. Seeds sold under one name can produce plants that vary widely. By the time flower reaches a shelf, the name may have drifted a long way from the plant it originally described.
This isn’t a hunch. When researchers have run genetic tests on retail cannabis, they’ve found the same pattern. A 2019 study in the Journal of Cannabis Research genotyped 122 samples of 30 strains bought from dispensaries in three states and found that samples sharing a strain name were often genetically inconsistent when they came from different facilities (Schwabe & McGlaughlin, 2019). An earlier large-scale study in PLOS ONE concluded that marijuana strain names often do not reflect a meaningful genetic identity (Sawler et al., 2015).
The upshot for a shopper: two jars with the same name, from two different sellers, may not be the same plant. And the reverse happens too — the same plant can be sold under different names.
Why a lab report alone can’t fix it
A Certificate of Analysis is essential, and we publish one for every batch. But a COA measures chemistry: how much THCa and Delta-9 THC a sample contains, which terpenes are present, and whether it passes screens for pesticides, heavy metals, residual solvents and microbes. It answers “what’s in this, and is it clean?”
It doesn’t answer “is this the strain it says it is?” Two unrelated cultivars can post similar potency numbers, and the same cultivar can test differently from one harvest to the next depending on how it was grown, dried and cured. Terpene panels help, but they shift with growing conditions too. Identity is a genetic question, so it needs a genetic answer.
How DNA verification works
The principle is the same one used to identify crop varieties in agriculture. A small sample of plant tissue is taken, its DNA is extracted, and a panel of genetic markers is read to produce a profile — effectively a genetic fingerprint of that plant. That profile is then compared against reference genetic profiles for the named strain.
If the profile matches the reference for the name, the cultivar can carry that name in our catalogue. If it doesn’t match, it doesn’t get the name — no rounding, no “close enough”, no substitute sold under a better-known label. That is what our tagline, verified genetics, no substitutes, means in practice.
- Genetic testing confirms identity: that this plant is the strain on the label.
- Third-party lab testing (the COA) confirms composition and safety: potency, Delta-9 THC compliance and contaminant screens.
- We need both before a strain goes on sale.
What DNA verification doesn’t tell you
It’s worth being precise about the limits. DNA doesn’t measure potency, freshness or how well a batch was grown and cured — that’s what the COA and good cultivation are for. It also doesn’t predict how a strain will feel to you; individual responses vary, and the indica/sativa labels themselves are only loosely linked to genetics. What it does is remove one big unknown: whether the name is true.
Our verification program covers the flower cultivars we sell. For vape blends, concentrates and hash, the batch COA is the document to rely on.
What you can check yourself
You shouldn’t have to take our word for any of this, so here is what to look at before you buy — from us or anyone else:
- Open the certificate for the batch on our lab results page and confirm the batch number matches the product.
- Check the lab’s accreditation (ISO/IEC 17025 is the standard to look for) and the test date.
- Confirm Delta-9 THC is at or below 0.3% on a dry-weight basis, and read the THCa and total THC figures.
- Make sure the contaminant panels are present and passing, not just the potency numbers. Our COA guide walks through each section.
- Ask how the seller knows the strain is what they say. If the answer is “that’s what the grower called it”, you’ve learned something. Questions about one of ours? Contact us.
Shop strains that are what they say they are
Every strain in our THCa flower collection has been DNA-verified and lab-tested. Browse by type — indica, sativa or hybrid — or see our highest-THCa batches. For a longer read on the research, see DNA-verified cannabis strains: why names lie.
Questions about DNA verification
Is DNA verification the same as a COA?
No. A COA measures chemistry — potency, Delta-9 THC and contaminants. DNA verification confirms genetic identity: that the plant is the strain named on the label. We require both.
Does DNA testing tell me how strong a strain is?
No. Potency varies by harvest and is measured on the batch COA, published on our lab results page.
Can two different strain names be the same plant?
Yes. Cuttings are often renamed as they change hands, so the same genetics can circulate under several names. Genetic testing catches this; a potency test can’t.
Do you DNA-verify vapes, hash and concentrates?
Our DNA verification covers the flower cultivars we sell. For vapes, hash and concentrates, rely on the batch COA.
Why doesn’t every seller DNA-test strains?
There’s no legal requirement to — strain names aren’t regulated — and testing adds time and cost to every new cultivar. We think a name should be proven before it’s sold.
Does DNA verification mean a strain will have a particular effect?
No. It confirms identity, not experience. Individual responses vary, and heated THCa is intoxicating — 21+ only, start low, and don’t drive after use.
The name on the jar is the plant inside it.
DNA-verified, third-party lab-tested THCa flower. Adults 21+.
Shop THCa flowerSources: Schwabe A.L. & McGlaughlin M.E. (2019), “Genetic tools weed out misconceptions of strain reliability in Cannabis sativa: implications for a budding industry,” Journal of Cannabis Research 1:3; Sawler J. et al. (2015), “The Genetic Structure of Marijuana and Hemp,” PLOS ONE 10(8): e0133292. This page is for general education and is not medical or legal advice.