Being i have plenty of room and lights its real easy.All you need is a male plant and female, let male start producing pollen and collect like i did in a bag.Then pollenate the female by putting bag over Branch of flowering female i did at 3 weeks flower are about.I didnt want a zillion seeds are the hole plant to have seeds hence the bag method.I then put her under a 400 hid till end of flower all by herself.You have to be careful not to transfer pollen from hands, clothes,etc to other flowering plants are you will have more beans than you would ever use,real easy to get over 100 seeds from a small plant lol trust me i did.Take a SHOWER a wash clothes before returning to flowering room very IMPORTANT..