Grow like Dr. Bruce Bugbee

The science of light, VPD, and plant physiology.

Photobiology research (PPFD / PAR)VPD and transpiration scienceCO2 and environmental controlWidely shared university lectures

The method

Measure, don't guess. Optimize the environment with data — light intensity and spectrum, VPD, and CO2 — and match every input to what the plant can actually use at that moment.

What to take from Dr.

Measure your PPFD

A light meter (or PAR app) turns guesswork into a dialed canopy.

Balance the inputs

More light only helps if water, nutrients, and CO2 keep up.

VPD drives transpiration

The temp/humidity relationship controls how the plant drinks and grows.

Spectrum is nuanced

Full, efficient white light beats chasing miracle 'purple' spectra.

Grow like Dr. — the simple path

  1. 1Measure PPFD across your canopy
  2. 2Match light intensity to the growth stage
  3. 3Control VPD with temp and humidity together
  4. 4Add CO2 only when your light level can use it
  5. 5Verify changes with data, not vibes

Guides that put this into practice

Educational profile of publicly shared methods. Lake Erie Cannabis is not affiliated with, sponsored by, or endorsed by Dr. Bruce Bugbee. All trademarks belong to their owners. All growers