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🌿Cannabis-Kultur

Grow Tools

Interactive tools for cannabis cultivation — from VPD calculations to environment optimization.

Identify Nutrient Deficiencies

Click on a nutrient for symptoms, affected plant parts, and remedies.

N

Nitrogen

Macronutrient

Lower leaves turn light green, then yellow

P

Phosphorus

Macronutrient

Dark green to purple leaves

K

Potassium

Macronutrient

Brown, burnt leaf edges

Ca

Calcium

Macronutrient

New leaves deform, edges turn brown

Mg

Magnesium

Macronutrient

Interveinal chlorosis (veins green, surface yellow)

Fe

Iron

Micronutrient

Young leaves turn completely yellow/white

Zn

Zinc

Micronutrient

Small, twisted new leaves

pH & Nutrient Availability

Move the slider and see how pH affects nutrient uptake.

6.2
Optimal Range (5.8–6.5)
Availability