I'm a new cacti grower. My saguaro seedlings are coming along nicely and are about 6 months old. Do I need to let them go dormant in the winter months? Or do anything different since the are so young? Thank you for any help.

I'm new to Cactus growing. I did my research and started growing Saguaro seedlings about 6 months ago. Everything has been going good and have many seedlings of varying sizes. Since being uncovered, I have been giving them a nice watering from the bottom about once a week, while spraying the tops ev...