N def- intraveinal chlorosis. That mean in between the veins you get yellow shading.
Acidic- Lots of symptoms, can present as deficiencies, or leaves turning burnt and crispy.
Root rot- entire plant wilts and dies.

Have you considered the possiblity that some other creature is consuming your cannabis before you get a chance to? What about thrips? Pics please!
stinkyattic Reviewed by stinkyattic on . One of Three problems Ok I am new to growing and have a few plants outside. I didn't check the soil before I planted the plants they are now between 2 and 5.5 feet tall I planted outside in The end of may. Just recently about a week or a little more ago i noticed the leaves were starting to get yellow spots on them. This only happened about a week ago and I'm not sure what it is. I have 3 guesses nitrogen defficiency, possibility of the soil being too acidic, or maybe even root rot(they are near a creek but not too Rating: 5