1st off...read and study plant biology to a degree and how plants grow. 2nd....read and study some more 😂 plus above all else.....read! Then when you understand the fundamentals of conditions like water, nutrients, temperature, wind, soil, soil temperature and pH then you can read some more lol no. Get some seeds and grow, make a diary and don't be afraid to ask questions on this site 👍👌👊🤘 GL brother