watch Nigel Saunders on youtube.
hes renowned bonsai and tropicals grower, from Toronto Canada lol
uses a small greenhouse and a plant room if not for his garden.
he keeps the greenhouse adequate with a small buddy heater/electric
and he grows tropicals in it. i thknk for the winter he might bring a lot of those to conservatory, but check out his videos. he does winter tours of the little greenhouse, etc.
