Plant Problems

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...

A magnesium deficiency in a marijuana plant can be a serious problem. When a plant is suffering from it, the veins of the leaves will start to look light green or yellow in colo...

Growing a marijuana plant is exciting! However, it can also be a delicate balancing act, providing just enough of what the plant needs to grow. Any marijuana nutrient deficiency...