Grow Your Own - SeedSupreme Blog

Cannabis manganese deficiency shows up first on the newest top growth as yellowing between the veins, dotted with small brown or tan spots. In most grows the manganese is already in the medium, the plant…

Yellowing on the middle of the plant with strange red, pink or orange edges is the classic tell of a molybdenum deficiency in cannabis. It looks a lot like a nitrogen problem at first glance, which is…

Few things worry a grower like a plant that suddenly starts yellowing up top. Cannabis iron deficiency is a frequent culprit, though it tends to look worse than it really is. The fix is usually simple…

A cannabis magnesium deficiency starves leaves of the chlorophyll they need to turn light into energy. Left unchecked, it stunts growth, kills off lower leaves and shrinks your final harvest. It hits hardest…

If your weed leaves have turned dark green, glossy and started curling downward like little claws, you're probably dealing with nitrogen toxicity. It's one of the most common feeding mistakes growers make…

A calcium deficiency in weed shows up as big brownish blotches on new growth. Left unchecked, it weakens stems, stunts new leaves and cuts into bud density. Many growers conflate this problem with a cal-mag…

A potassium deficiency in plants can stunt vegetative growth, weaken stems, and quietly cut into yield if left uncorrected. It's one of the most common cannabis nutrient problems you'll run into - and…

Dark, spotted lower leaves and reddening stems usually point to one thing: a cannabis phosphorus deficiency. Phosphorus (P) is the macronutrient your plants burn through fastest in flowering, so a shortage…

You pull out your stash, and something looks off. Maybe there's a dusty film, a fuzzy patch or a musty smell that wasn't there before. Moldy weed is more common than people think, and smoking it can leave…

Nutrient burn turns healthy cannabis leaves brown and crispy, usually starting on the tips. It happens when your plant takes in more fertilizer salt than its roots can handle. Cannabis nutrient burn is…

Spider mites are one of the most common pests you'll find on cannabis plants, and often the most damaging, since many growers miss them until it’s too late. Left unchecked, they sap plant vigor, cut your…

Cannabis growth follows a predictable sequence of stages from seed activation through post-harvest curing. The main cannabis growth stages are germination, seedling, vegetative growth, pre-flower, flowering…

Cannabis is a plant genus that includes marijuana and hemp, and people use the term cannabis to describe the plant, its seeds, flower, resin, compounds, strains and related products. Beginner growers learn…

The cannabis seedling stage begins after a seed germinates and the young plant starts forming roots, cotyledons, and its first true leaves. During this stage, a weed seedling needs gentle light, careful…

Buying cannabis seeds works best when you start with a plan, not just a strain name. This weed seeds buying guide takes the decision one layer at a time, then points you to the right category, seed bank…

Thrips are one of the sneakiest pests you'll find on cannabis plants. They're small, quick and easy to miss until the damage is already spreading. Left untreated, thrips on plants can stunt growth and…

The cannabis flowering stage is the phase when a cannabis plant shifts from vegetative growth into bud development. During flowering, the plant forms bud sites, pistils, trichomes, resin, aroma, and eventually…

Photoperiod cannabis seeds grow into plants that flower in response to changes in light cycle. They are the classic seed type behind most cannabis cultivation, and they give growers direct control over…