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Cannabis Plant Problem Solver

Figure out your indoor cannabis plant problem!

Are LOWER leaves turning yellow and soft, maybe brown splotches, then drying out and dropping off?

Are you using composted super soil made for a plant like cannabis?

Do you grow hydro (roots sit in water)?

Have you been managing your pH? (measuring pH of water going IN and OUT of your system?)

It's likely your soil hasn't been properly amended, or something didn't go right during the composting process.

Plants droop when the roots are not getting enough oxygen. In hydro, wilting means high heat, Root Rot, or not enough bubbles in the reservoir.

Do you have bugs or mold? White powder or bites on leaves?

Do leaf tips look brown or burnt?

Before you try anything else, check and adjust pH so plants can absorb nutrients.

Get rid of pests and mold!

Are leaves discolored or unhealthy?

Your plants are getting too much nitrogen. Reduce the levels of nitrogen.

Are the leaves dark green with tips turned sharply down?

Are you using cannabis-friendly nutrients with a separate "Grow" & "Bloom" formula?

Do plants START drooping right after watering?

Your plants are getting too much too much nitrogen. Reduce the levels of nitrogen.

This is "nutrient burn" which means your plants are getting too much nutrients in general.

Have you been managing your pH? (measuring pH of water going IN and OUT of your system?)

Your plants may be getting the wrong ratios of nutrients. Before anything else, provide plants with base nutrients made for a setup like yours.

Overwatering and/or not enough drainage.

Do plants STOP drooping right after getting water?

Do leaf tips look brown or burnt?

Before you try anything else, check and adjust pH so plants can absorb nutrients.

Under-Watering - plant needs more water!

Is it under 70°F (20°C) in grow space?

Your plants are getting too much nitrogen. Reduce the levels of nitrogen.

Are the leaves dark green with tips turned sharply down?

Plants are too cold, insulate grow space or get a heater.

Is it above 85°F (30°C) in grow space?

Your plants are getting too much too much nitrogen. Reduce the levels of nitrogen.

This is "nutrient burn" which means your plants are getting too much nutrients in general.

Improve your exhaust system and add extra air circulation.

Is the relative humidity between 40-60% (veg) or under 45% (flower)?

Did anything change around the time the problem started happening?

You may want to adjust your humidity for healthier growth.

Change it back!

View full list of "Plant Problems by Picture"