Check the tempereatures in greenhouses during the day as well as during the night, not too cold but not too hot either. Greenhouses this Month
Now is a good time to fix and replace any shed roof leaks, broken glasshouse panes, or worn glazing putty! Repair Shed Roof Leaks and Glasshouse Panes
Does your greenhouse heater still work? Now is a good time to get electric or gas heaters serviced if necessary! Greenhouse Heaters: Does Your Heater Work?
Tender plants should be brought into a heated greenhouse for the winter: have you already finished doing this? Bring in Tender Plants!
Insulate your greenhouse: you could use plastic bubble wrap! However the wrap will reduce light levels somewhat! Insulating Greenhouses 01 Comment
Greenhouses should be damped down on hot days! Some tips for purchasing a new greenhouse: http://j.mp/Mh6JCg Damp down Your Greenhouse
Do you have a greenhouse? There are some good reasons to build one! Some considerations: http://j.mp/IPgZif Building a Greenhouse