Plant requirements
Everything a plant needs during it's grow cycle!
Iceberg Lettuce (Lactuca Savita)
Seed types
- Danilo (bought at Hornbach)
Plant requirements
Germination phase
- Germination temperature: 20 - 24 degC
- Germination: 7 - 10 days
- Make sure you keep germinating seeds in cooler temperatures. Gradually adjust them to warmer temperatures before transplanting them to your hydroponic system
Seedling phase
- Seedlings: 100 μmol/m²/s (PPFD)
- Seedlings lighting interval: 18 hours
- Seedling development: 2 - 3 weeks
Transplanting phase
- Use similar conditions during transplanting (temp, light)
- Transplanting: >3 - 4 true leaves + grown to 5 - 8 cm tall + long enough roots
Mature phase
- Vegetative/Mature Stages: 200-300 μmol/m²/s (PPFD)
- Mature stage: 12-16 hours of light per day, with 8-12 hours of darkness
- Sowing to harvest: 7 - 10 weeks
General requirements
- Light height: 8 - 12 inch (20 - 30 cm)
- DLI of 11.5 mol/m2/day
- Best grow temperature: 10 - 21 degC
- Bolting above: 21-24 degC!
- Nutrient Root Zone Temperature: 15 - 21 degC
- Nutrient volume: 4 - 6 liter
- pH range: 5.5 - 6.5
- EC range: 0.8 - 1.2 mS/cm
- Nutrients: Plenty of nitrogen (N), some phosphorus (P), but not much potassium (K)