Male vs. Female Cannabis Flowers: What's Actually There

Cannabis is usually dioecious: individual plants produce either staminate (male) flowers or pistillate (female) flowers. The two are easy to tell apart once you know what structures are visible—and, just as importantly, which ones aren’t. Most confusion online comes from misapplied terms, so this guide sticks to the real parts you can see with the naked eye and how they develop.

VPD With Leaf Temperature: How to Aim for Transpiration That Helps, Not Hurts

Many growers ship great harvests without ever looking at VPD. That’s fine. VPD is a tool, not a religion. If you do use it, you’ll get better results by basing it on leaf temperature rather than air temperature, because leaves are almost always cooler than the surrounding air when they’re transpiring.