LeafWorks Cannabis & Hemp DNA Sex Test

Want to identify male cannabis & hemp plants early in the growing cycle?


Save up to 8 weeks and reduce operational costs by up to 20% with the LeafWorks Cannabis & Hemp DNA Sex Test. You can identify male cannabis & hemp plants as early as 7 days post germination.

The LeafWorks Cannabis & Hemp DNA Sex Test is 99% accurate and because we use more biomarkers than the competition, we greatly reduce false positive test results allowing you to confidently remove male plants quickly.

  • Turnkey collection and submission kit is provided for every order
  • Simply mail your cannabis or hemp plant samples using the collection cards provided
  • Up to 4 plants collected per card
  • National and international orders accepted
  • Tests available for licensing
  • Order up to 25 cards: $60 per card; only $15.00 per plant
  • Order 25 to 250 cards: $50 per card; only $12.50 per plant
  • Order over 250 cards: $40 per card; only $10.00 per plant
Test results

3-7 business days after the lab receives your samples, depending on volume of cards to be processed.
LeafWorks only accepts samples through the LeafWorks DNA submission kit. We will not test or receive Schedule I tissue.

Customer Reviews
5.0 Based on 7 Reviews
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Filter Reviews:
    Cody W.
    United States United States

    Ease of Use & Quick Turnaround

    Great experience. Would recommend LeafWorks to anyone interested in commercial scale DNA *** Testing for cannabis.

    Dominic P.
    United States United States

    Amazing product, even more amazing customer service!!

    I ordered a plant dna *** test for my medicinal plants, and got results very quickly. Our post office lost my kit that I had sent back; I reached out to the team at leafworks, and had a new kit sent out to me the same week. And within days, I had my results. Of the 4 plants I tested, only one was female. So glad I didn’t invest time and money into the make plants, at just 2 weeks old, the males got pulled and the one female was used for cloning. Now I have almost 10 clones from the one plant, and no time or resources lost. I will absolutely be using leaf works against and again. I cannot stress the value of their service enough!! Highly recommend!!

    A LeafWorks Inc. Customer
    Matthew B.
    United States United States

    Test was great

    Clear instructions, and liked getting to bang the leaves with a hammer. More expensive then I wished, as I would’ve tested more. But good quality and well thought out packaging and method.

    Matthew R.
    United States United States

    Fantastic service

    I’m not one to usually leave reviews but I feel the need to for this company. Leafworks has been a HUGE pleasure to work with. My previous *** test provider (who shall remain nameless) was incredibly slow, way past their promised TAT. To the point where my crop production had to be put on hold until they could get their excrement together. Leafworks on the other hand has gotten me results the same day as received, but typically 2-3 days. I usually mail 100 or so tests and they always come back fast and accurate. Never have I received an “inconclusive” test from Leafworks like I have from two other vendors. Please keep up the killer service, Leafworks. I will have plenty of business for you in the foreseeable future. Thanks

    United States United States

    Great service, great responsiveness

    We have been working with Leafworks for gender testing for several years and have great confidence in Eleanor and her team.