Cold soil can affect germination time.
If they haven't broke ground, there's no need for light, but if you use the lights for heating them 24/7...make sure to check on soil moisture more often. Don't keep the soil soaking, but don't let the soil dry completely till after they are well-rooted.
Rusty Trichome Reviewed by Rusty Trichome on . cold -------------------------------------------------------------------------------- hey guys im doing a cfl grow and i pre-waterd my pots and everything with luke-warm water and kept the lights on them but to the touch the soil/dirt is somewhat cold and my freshly cracked beans are in there..now i turned my heater on"electric heat yikes"expensive! to run lol but i put it on low will this hurt my babies with the soil being cold...any info would be good.. Rating: 5