yes, once your plant is in its vegetative stage you have no problems using neem. try to spray under the leaves. You can use until 2 weeks before harvest, just spray your plants with clean water afterwards and maintain a clean enviroment
I planted these the first week of april. I transplanted them into huge pots to get nice big plants for a healthy harvest. Although they are grow very well in size a lot of leaves are turning yellow and dieing. Now I don't add any fertilizer of any kind, just water and good soil. The only thing I...