Resources

Free grower guides and tools

Everything we have put together to help you keep males, HLVd, and wasted veg time out of your grow. The guides are free: drop your email and we send the download.

Guides

Downloads growers keep coming back to

Written by the lab and the growers we work with. Pick one, enter your email, and check your inbox for the download.

9 Reasons to Test for HLVd checklist
Checklist

9 Reasons to Test for HLVd

The symptoms you can see, the reasons to test when nothing looks wrong, and when routine screening is due. One page you can print and pin up in the grow room.

For: anyone bringing in cuts or keeping mother plants

Get the checklist

The Easy Way to Make Cannabis Seeds at Home guide
Guide

The Easy Way to Make Cannabis Seeds at Home

The complete guide to making your own regular seeds, from choosing a male to storing the finished seed. Written with Ben Owens of The Hobby Grow.

For: growers who want seed security no matter what happens to the seed market

Get the guide

Washer Pheno Hunter Guide
Guide

Washer Pheno Hunter Guide

How to find the plants built for solventless extraction: trichome structure and density under a loupe, harvest timing for hash, disease warning signs, and a four-phenotype journal with wash stats. 710 Edition, 19 pages.

For: hash makers and pheno hunters picking which plants earn a full run

Get the guide

Tools

Run your own numbers

Gender Testing Cost Calculator

Plug in your plant count, expected male rate, and what your grow costs to run, and see what you spend growing out males compared with testing them early. Home and commercial modes, with an optional revenue view.

  • Cost of the run with and without testing
  • Expected males and weeks saved
  • Per-plant savings at each test pricing tier

Open the calculator

30-50%of regular seeds turn out male. The calculator shows what feeding them until they show costs you.
Watch & listen

Latest from the media page

Jackson on podcasts and grow shows, talking sex testing, HLVd, and what the lab sees.

Cannabis sex testing, HLVd, plant genetics and more with Jackson Farmer

Podcast · High on Home Grown

Cannabis sex testing, HLVd, plant genetics and more with Jackson Farmer

Jackson joins the Percys Grow Room podcast for a deep dive into DNA-based sex testing, HLVd detection, and what plant genetics can tell home growers.

Watch or listen

Can you wash off powdery mildew with hydrogen peroxide?

Video · Garden Talk Clips

Can you wash off powdery mildew with hydrogen peroxide?

Does the hydrogen peroxide trick actually work on PM? Jackson explains how it spreads, what treatments really do, and where pathogen testing fits.

Watch or listen

These plant pathogens can completely destroy your garden

Video · Garden Talk #154

These plant pathogens can completely destroy your garden

Nearly 50 minutes on Hop Latent Viroid, powdery mildew, and the other pathogens that wipe out gardens: detection, prevention, and why proactive testing pays.

Watch or listen

See every appearance on the Media page →

Ready to test?

Send a leaf snip, get a DNA result while your plants are still seedlings, and put the guides to work in your grow.