cannabis problems

  1. A

    White spots on leaves

    Hello, I hope someone can help me with this, white spots on leafs, flowering stage, buds are healthy. Some problems with ph balance, it’s a bit higher than 7, temperature is 23-24, humidity 40-50%. Also on my second plant there is tiny tiny white dots and rust spots on bigger fan leafs:( Leafs...
  2. J

    Boron & Calcium Deficiencies - Plant Problems & Solutions

    Boron Deficiency Problem: A boron deficiency in cannabis is relatively rare, and is usually accompanied by other types of nutrient or pH problems that appear as problems with the leaves. The first signs of a cannabis boron deficiency is abnormal or thick growth tips along with brown or...
  3. M

    Please help - My seedling's leaves are turning yellow and falling off

    Dear friends, Although i am new to this forum i have been lurking around for many months now, and i love it( lots of great info and great community) This is my first grow and i am having major problems with my seedlings. They have stopped growing or are growing very very slow. ( Leafs...