How Much Light Does Basil Need? PPFD & DLI

Likes heat and frequent watering. Prune the top to make it bushier.

  • Peak PPFD: 350–600 µmol/m²/s
  • Peak DLI: 14–22 mol/m²/d
  • Air temperature: 22–28 °C
  • Relative humidity: 50–65 %
  • VPD target: 0.8–1.2 kPa
  • Do not leave the substrate dry for more than 2 days

Targets per growth stage

StageFrom dayPPFDDLIPhotoperiodpHEC
Seedling0100–200 µmol/m²/s6–12 mol/m²/d16 h5.8–6.20.8–1.2
Growth14300–500 µmol/m²/s12–18 mol/m²/d16 h5.8–6.21.4–1.8
Mature30350–600 µmol/m²/s14–22 mol/m²/d16 h5.8–6.21.6–2.2

Watering

Loves warmth and frequent waterings. Prune the top for bushy growth.