Plant Problems

Iron deficiency in cannabis usually appears as pale or yellow new growth while the older leaves remain relatively green. The most recognizable symptom is interveinal chlorosis, ...

Phosphorus deficiency in cannabis slows root growth, limits vegetative development, and reduces flower production. Early signs appear on older leaves, which darken before develo...

Potassium deficiency in cannabis can cause yellow leaf edges, rusty spots, burnt tips, curling leaves, and slower flower development. However, these symptoms can also resemble n...

Magnesium deficiency in cannabis is one of the most common nutrient problems growers encounter, yet it is also one of the easiest to misdiagnose. While yellow leaves are often t...

Nitrogen deficiency in cannabis is a common nutrient issue during vegetative growth, when plants require high nitrogen to build leaves, stems, and branches. If left untreated, i...

Cannabis nutrient deficiencies can appear as yellow leaves, brown spots, burnt edges, slow growth, or distorted new foliage, but these symptoms do not always mean the plant need...

As cannabis users, what we really care about is bud, but in terms of cannabis growing, healthy roots and stems are crucial to the overall health of the plants. Indoor growing gi...