🪐 Multiverse Beans — Education

The Only VPD Chart You Need

Accurate Vapor Pressure Deficit values for every growth stage. Hover any cell for guidance.Slide the controls to find your VPD.

🌱
Clones & Seedlings
0.4 – 0.8 kPa
70–78°F · 65–80% RH
🌿
Vegetative
0.8 – 1.2 kPa
72–82°F · 55–70% RH
🌸
Flowering
1.2 – 1.6 kPa
75–82°F · 40–55% RH
🔬
All Stages
Full Range
Universal reference
Temp
VPD Type
Room VPD · °F · All stages
Too Low <0.4
Low 0.4–0.8
Optimal 0.8–1.2
High 1.2–1.6
Danger 1.6–2.0
Extreme >2.0

📐 Your Grow Room

Temperature 77°F
Relative Humidity 60%
1.05
kPa — Vapor Pressure Deficit
🌿 Optimal
Veg sweet spot. Max nutrient uptake & leaf expansion.

Quick Reference

VPD = SVP(Tleaf) − (RH ÷ 100) × SVP(Tair)
Tetens equation · Leaf temp offset of −3°F when "Leaf" mode selected

Ready to grow? Browse premium genetics from 80+ breeders — free seeds on every order.

🛒 Shop Best Sellers
Environment dialed in? Keep it there
🛡️ Set up prevention calendar 🍽️ Build your feeding schedule 🏗️ Size your equipment right