pH Fluctuations
Quick Summary: Handling pH is vital for marijuana plants to be able to use up nutrients through their roots. When the pH around the roots leaps up and down, it can worry
Phosphorus Deficiency
Issue: A marijuana phosphorus deficiency normally appears on leaves from the lower/older parts of the plant. The lower leaves might turn dark green or yellow, and begin getting areas or huge splotches
Planthoppers
Melanoliarus planthopper on a marijuana leaf (Source: Whitney Cranshaw) Typically among the primary signs is a white fuzzy development that is typically misinterpreted for mold or white grainy mildew. Nevertheless, it is
Potassium Deficiency
What Does a Marijuana Potassium Deficiency Appear Like? Leaf Issue / Signs: With a cannabis potassium deficiency, you’ll normally see signs on older leaves, however not constantly. In some cases you’ll see
Root Problems
Cannabis Plants With Root Problems Show Many Symptoms Cannabis may appear overwatered or droopy Curling or cupping of leaves Wilting – either individual stems wilt or the whole plant may wilt Slow
Root Rot
Cannabis Root Rot – Slimy, brown, twisted or unhealthy roots are caused by unwanted pathogens in your hydroponic tank! The marijuana plant on the left is healthy, and the plant on the
Slugs or Snails
Slugs or Snails Attacking Your Cannabis Plants? Get Rid of Them Quick! Ewwww slugs and snails are eating the leaves and buds of my cannabis plants!!!! Although not the most common cannabis
Manganese Deficiency
Problem: Leaves may become yellow in between the veins, with mottled brown spots on the affected leaves. These brown dead patches may spread and eventually kill the leaf. Leaves may also shred
Over-Watering
Problem: After watering, your plants start drooping. Usually the droopyleaves will feel firm and appear curled down (the whole leaf will be curled, not just the tips, which is often a sign