I was only thinking of using a heater because it adds CO2 to the air.

So, what kind of seeds?
OhNoYaDont Reviewed by OhNoYaDont on . Greenhouse advice please I have decided to try a greenhouse grow and have a few questions. First some needed data: I will be building a PVC pipe ghse. Want to go "in ground" probably in February. I live in Northern California (Redding). It is normally about 40F at night and a high of 65F during the day. I plan on having clear plastic and will heat with a kerosene heater to keep the temp resonable (just hate to see the ladies shivering, nipples hard and all that...) I have all the details worked out (venting, Rating: 5