2. Macronutrients

Macronutrients are the main nutrients that cannabis plants require in larger quantities. These nutrients are crucial for the growth, flowering, and overall health of the plants.

Nitrogen (N)

• Function:Promotes vegetative growth and leaf development.
• Deficiency symptoms:Yellowing of the leaves, especially the older leaves.

Phosphorus (P)

• Function:Supports root development and the flowering phase.
• Deficiency symptoms:Dark green or purple discoloration of the leaves, delayed flowering.

Potassium (K)

• Function:Improves the overall health and resilience of the plant.
• Deficiency symptoms:Brown leaf tips and edges, weak growth.

Calcium (Ca)

• Function:Strengthens cell walls and supports root health.
• Deficiency symptoms:Deformed new leaves and weak roots.

Magnesium (Mg)

• Function:Promotes photosynthesis and activates many plant enzymes.
• Deficiency symptoms:Yellowing between the leaf veins, slow growth.

Sulfur (S)

• Function:Supports the formation of amino acids and proteins.
• Deficiency symptoms:Yellowing of younger leaves, delayed growth.