By Odaatpat
Ontario,
Canada 
i'm in the process of insulating my large containers before adding the soil..i'm using bubble wrap for the sides..my question..how do you insulate the bottom..what about providing drainage? TIA
15 Jun, 2016
Answers
I use chunks of polystyrene from packaging. it makes the pots less heavy to move around too.
15 Jun, 2016
You don't cover drainage holes in pots with insulating material, so if you do, punch holes in it so as to enable water to drain through. I'm assuming there are holes in the pot...
15 Jun, 2016
thanks, Kennyboy, Seaburngirl, & Bamboo..i knew i'd have to provide drainage..didn't think of polystyrene chunks..good solution..many thanks, all, for your quick response..
15 Jun, 2016
you're welcome.
15 Jun, 2016
hi have you thought about chunks of polystyrene for insulation and it would help in the drainage as well.good luck.
15 Jun, 2016