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Yet again I am opening my garden on the village Open Gardens day! I really need to get seed planting and have a heated (5C absolute max) greenhouse. I also have a fantastically big heated propagator. The problem I found 2 years ago was starting the really early seeds off no problem but when they had to come out of the 'prop' they struggled with the 'cool' greenhouse. Any suggestions please?
Build yourself a mini greenhouse within your greenhouse using twin or triple walled polycarbonate. Then add some heat mats on the inside to easily keep the temperature at 10c, or whatever temperature you want by using a thermostat.
Vulneratus Non Victus - Wounded But Never Beaten
I'd recommend a heat mat. I have a 90cm bio green with fully adjustable temperature in my greenhouse. A "grow bag tray" sits on top and I can get 6 full sized seed trays on it. It provides useful heat when the propogator lids come off but I heat my greenhouse (6ft x 8ft) to 12c also.
It does provide a few extra degrees. I also find that spiders and insects also notice that extra heat...esp vine weevil. So worth looking out for that.Libby wrote:Excellent idea a greenhouse within a greenhouse, never thought of that, definitely worth a look. Thanks