There are 5 reasons why cannabis plants stop growing are:
1. Seeds are of low quality
2. Root Health is weak
3. The plant is not getting enough sunlight
4. Overwatering is too dangerous for plants
5. Calcium Deficiency
You have to take some active steps to avoid these problems in your plant...
Terpenes a Cannabis compound that is used for relaxation and stress relief. For example, Myrcene is usually used for making Strains like Blue dream and Granddaddy Purple.