Yes folks, it is October again - the season of the dreaded drastic diurnals for my local area.
This is the usual time when summer and winter forces are duking it out and leaving dead orchids in their wake. And add to that the occasional Santa Ana winds and you could have dead plants from your neighbor's garden landing in your yard.
Daytime highs can peak at 100F outside the greenhouse and then dip into 50F at night.
So during the day I have the greenhouse in "summer mode". Misters active, exhaust fan and HAFs running full blast, etc.
But after sunset its time for "winter mode", I shut off the water supply, bring the electric heater into the GH plug it in and make sure all the auto-vents have sealed shut.
The next morning, I remove the heater and open the water supply and the cycles starts all over again.
I cannot leave the heater inside the greenhouse during the day because I dont want to risk getting it wet or damp with the misters active. The last thing I want is a deep-fried gardener (ME!) in my greenhouse!
I anticipate this routine to go on for a few more weeks until summer finally gives up and I can permanently shut down the misters until next summer.
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