Thanks for the thermostat link. I saw your link last year and ordered two. I had been paying $40 for the ones at HD and they weren't covered.
Did you use a solar cover? Or any other insulation?.

I don't use any other insulation. There were a few times when I went out to the gh around midnight and there was ice on the ceiling! .. but as I said, I didn't lose 1 plant and no one got frostbit. I might also add that I have 2ltr bottles painted black and filled with water underneath shelves and large plants .. but the plants that were not near the bottles, like my cannas did fine.

X

I left cannas outside all winter, in 1 gallon pots and they did fine. Cannas are a lot hardier than most people think. They must have good drainage though

Straying just a bit off topic, does that apply to water cannas too? It would be a mixed blessing: no need to pull them up and overwinter them inside, but this plant is so prolific, I'm afraid it could get invasive if winter hardy. I've left them in their pots, which are sunk into the bog garden, but was considering just planting them straight into the bog next spring ... now reconsidering.

I'm going to have to look up the difference between zones 7 and 8.

OT. I'm in zone 7.
I leave my canna's in the ground. I also have some in large pots.(see picture) I just cover the pots with a pile of leaves. I do take in the Nancy's Revenge. I leave most of my other EE's in the ground. Black Magic, Big Dipper, uprights.
Even the one's in gallon pots come back but do not grow well unless I transplant them into the ground or larger pots. You know how it is. You buy stuff and it just never gets planted.
I doubt they will get envasive if they die down each winter. You may have to seperate them but mine do not get out of control.
{{gwi:298132}}

Cactus..
I didn't know you had an equally amazing pool as well!

I want to move in with you. : )

Lovely!

~mamabirrd

Hey! You're cutting in Line! It starts WAY over there ->