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    The Ultimate Vapor Pressure Deficit (VPD) Guide

    "Why devote an entire guide to VPD?" you might ask. The answer is that the vapor pressure deficit (VPD) is extremely important for growing plants.

    VPD helps you identify the correct range of temperature and humidity to aim for in your grow space. With VPD you can achieve the best results while avoiding pest and environmental problems. VPD also controls plant transpiration rates, stomata opening, CO2 uptake, nutrient uptake, and plant stress.

    If you master VPD, you master your environment, and become a better grower.

    VPD Chart Maker and Calculator

    VPD Chart Maker and Calculator

    VPD and Indoor Growing

    Indoor growing comes with huge advantages. You get to have control over the environment that your plants grow in. Environment is one of the essential “knobs” you can twist in order to get better results in your grow, and VPD is the key part of that formula.

    Take the Guesswork Out Of VPD

    VPD Chart Maker and Calculator

    Learn how to dial in your grow room's environment using VPD.

      Sign up to receive our customizable VPD chart maker and calculator, product info, giveaways, and discounts.

      Peter Koverda

      Peter Koverda

      Co-founder and CTO at Pulse

      6 Responses

      Peter Koverda

      Peter Koverda

      June 30, 2020

      Hi Justin, here’s a link to the dew point guide: https://hello.pulsegrow.com/dew-point

      gazoo

      gazoo

      June 30, 2020

      Is there a Color breakdown for the zones
      Example for VEG There is the Green zone with a brighter yellow zone before and after.
      Curious Is the first yellow zone for maybe EARLY VEG and the second Yellow after the green zone
      for Late Veg. I ask because I have other charts that are set up that way ?

      Thanks in advance

      Robert Hayden

      Robert Hayden

      June 30, 2020

      How do you measure VPD without taking IR readings of your leaf temp?

      Thomas davis

      Thomas davis

      June 30, 2020

      Like to buy the chart an in the near future get the device . thankyou

      Carlo

      Carlo

      March 16, 2020

      I find it strange that in the VPD chart on the x axis 0 is on the right and on the y axis lower numbers are on top.
      Both axes should be the other way around.
      But the story as a whole is very interesting.
      Thank you.

      Justin

      Justin

      March 13, 2020

      Can’t find dew point page can you send me a link

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