Grow Guide

Fertilizer is food for marijuana plants. The best fertilizers for marijuana are often homemade. There are also many weird and wonderful things you can add to your marijuana fert...

Sulfur deficiencies are very rare in cannabis plants, but they can happen. When they do, plants can suffer significant growth problems. The grower can be left with no plant at a...

When a manganese deficiency occurs in plants, their leaves will start to turn yellow. The marijuana leaves will then turn brown and eventually die. If left untreated, the defici...

Iron may not be one of the primary nutrients for cannabis, but an iron deficiency will greatly inhibit a plant’s growth. It will first appear as bright yellow leaves. This disco...

Phosphorous is one of the major nutrients marijuana plants need. A lack of phosphorous will affect root growth and slow overall plant growth. If left untreated it can potentiall...

Calcium may not be a macro nutrient for the marijuana plant. But a calcium deficiency can have very serious effects and if left untreated, could have a negative effect on the ul...

In cannabis plants, potassium is a macro nutrient. Without it, a marijuana plant’s leaves are likely to yellow, brown, show burnt tips. These symptoms are of course a sign of po...