How to Fix Cannabis Sulfur Deficiency: Pale New Leaves & Corrective Feeding
Cannabis sulfur deficiency is uncommon, but when it shows up it slows growth and pales out the newest leaves at the top of the …
Troubleshooting
How to Fix Cannabis Zinc Deficiency: Yellow New Growth, Small Leaves & pH
Cannabis zinc deficiency shows up as yellowing between the veins on new top growth, paired with small, twisted leaves and tight spacing between the …
How to Fix Cannabis Nitrogen Toxicity: Dark Green Claw Leaves & Overfeeding
Dark green, glossy leaves with tips curling downward mean your cannabis plant has too much nitrogen, not too little. This guide shows you how …
How to Fix Cannabis Potassium Deficiency: Brown Edges, Burnt Tips & Bud Growth
Cannabis potassium deficiency shows up as brown, crispy edges on the lower leaves, burnt tips, weak stems, and buds that stop filling out. Potassium …
How to Fix Cannabis Molybdenum Deficiency: Yellowing, Red Edges & pH
Cannabis molybdenum deficiency shows up as yellowing mid-plant leaves with a tell-tale orange, red or pink color creeping along the edges. It looks alarming, …
How to Fix Cannabis Copper Deficiency: Yellow Tips, Wilting & Trace Nutrients
Cannabis copper deficiency shows up as yellow or white leaf tips, a metallic blue-gray sheen, and stalled new growth. It ranks among the rarest …
How to Fix Cannabis Manganese Deficiency: Spots, Yellowing & pH Lockout
Cannabis manganese deficiency shows up as yellowing between the veins of new leaves, with small brown specks scattered through the yellow patches. It looks …
How to Fix Cannabis Magnesium Deficiency: Yellow Veins, Cal-Mag & Epsom Salt
Magnesium deficiency in marijuana plants shows up as yellowing between the veins on the lower, older leaves while the veins themselves stay green. Magnesium …
How to Fix Cannabis Calcium Deficiency: Brown Spots, New Growth Damage & Cal-Mag
Calcium deficiency in cannabis weakens cell walls and stunts new growth, starting with small brown or rust-colored spots on the youngest leaves near the …
How to Fix Cannabis Nutrient Burn: Brown Leaf Tips, Nute Burn & Flushing
Cannabis nutrient burn scorches your leaf tips when the roots take in more nutrients than the plant can use. It shows up as yellow …
How to Fix Cannabis Nitrogen Deficiency: Yellow Leaves, Causes & Recovery
Cannabis nitrogen deficiency is one of the most common feeding problems growers face, and it announces itself the same way: the oldest, lowest fan …
Cannabis Deficiencies: Identify and Fix by Leaf Symptom
Cannabis nutrient deficiencies show up first on the leaves, and the leaf tells you most of what you need to know. A pale lower …
How to Identify, Prevent, and Deal With Hermaphrodites in Your Cannabis Grow
Introduction It happens to the best of us: at some point, most cannabis cultivators have found seeds of unknown origin in their lovingly tended …
Everything You Need to Know About pH for Growing Cannabis
To adjust pH for marijuana plant, know the reasons, correct steps, and necessary equipment.
Citrus Yellow Vein Clearing Virus in Cannabis
As cannabis cultivation increases around the world, scientists are identifying more pathogens that affect the plant. Many growers have heard of the latest pathogens, …
How To Use Hydrogen Peroxide in Cannabis Cultivation
You may have walked past a bottle of 3% food-grade hydrogen peroxide at the chemist (pharmacy) or the local grocery store and never even …
Integrated Pest Management for the Beginner Cannabis Grower
One blight that every cannabis cultivator faces at some point is pests. The term pest can describe many nuisances but primarily entails insects such …
Cannabis Nutrient Lockout
Nutrient lockout is a fairly common problem in indoor cannabis cultivation due to the use of fertilizers containing nutrient salts. Excess nutrient salts can …
Hypochlorous acid and cannabis growing
In this age of cannabis cultivation, you’ll find many products for the different issues cultivators face. You’ll also find many conflicting reports on those …
What is cannabis wind burn? How to treat and prevent it.
To cultivate cannabis successfully, your plants need to have the right environmental conditions. Good air circulation around your plants is one of the most …
What is Beet Curly Top Virus in Cannabis?
Every year cannabis cultivation becomes more widespread across the world, and with that, growers experience new blights. In fact, new pathogens appear every year. …
Hop Latent Viroid: A cannabis disease growers should know about
The presence of Hop Latent Viroid in cannabis has been a hot topic in the cannabis community for the past few years. This particular …
How to Fix Wilting and Drooping Leaves on Cannabis Plants
If you’re a cannabis grower, you know that keeping your plants healthy and happy is key to a successful harvest. And if you’ve noticed …
Brown Spots on Weed Leaves
Brown spots on weed leaves are a common issue in the cannabis growing community. While they may not be attractive, they can wreak havoc …
