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The only way any palms could grow in this area unprotected is to place them in desirable areas sheltered from north winds and against a south facing wall. Really, only Sabal Minor and Needle Palm have a chance to make it multiple years, especially with a little mulching at its base. There was a windmill palm that survived for years unprotected in Niagara on the Lake, but it succumbed to the polar vortex around 2014 or so, so it is possible, but not easy.
The only way any palms could grow in this area unprotected is to place them in desirable areas sheltered from north winds and against a south facing wall. Really, only Sabal Minor and Needle Palm have a chance to make it multiple years, especially with a little mulching at its base. There was a windmill palm that survived for years unprotected in Niagara on the Lake, but it succumbed to the polar vortex around 2014 or so, so it is possible, but not easy.
Sabal Minor survived Youngstown, do you have any idea how cold it gets there?
If you didn’t receive link just search Ilex opaca native range. Ilex opaca is native to the humid-subtropical climate in US crazy Cape Cod is in the native range! Cape Cod is Oceanic and not humid-subtropical because it’s summers are cooler.
But under the 0°C isotherm is Dfb. Because of the Ilex Opaca being native I consider it oceanic abd the -3°C isotherm use. Unbelievable places. Lets make a thread talking about what can be grown in certain regions that many thought they couldn’t.
About the Virginia and NZ, come on NZ’s winters are very mild but still inside the oceanic climate with the warm summer category b, Virginia has colder winters but still inside the temperate range with the hot summers a, practically subtropical. Under trewartha only a few areas qualify, but under Köppen nowhere in NZ is until you reach Norfolk Island which is already almost tropical but doesn’t have b category anymore. Virginia it is. Laugh guys, in Virginia under Trewartha only Norfolk is subtropical, and under Köppen in NZ only Norfolk Island
After all I take Virginia, the way Trewartha classifies
Oceanic and subtropical does not make any logical sense. Richmond cannot be in same category as London, their summers are too different, Richmond’s winters are colder, but no too much. Also Isles of Scilly can’t be in same category as Atlanta. Richmond and Atlanta should be same category. I know that London might seem odd with NZ and Richmond(there are even colder examples) with places like Orlando might seem to different, but their simple characteristics make sense to say that Orlando and NZ are the warmer versions, NZ as Oceanic and Orlando as humid-subtropical.
What Trewartha classifies as Oceanic in Virginia and some other places does not make any sense, it is still humid-subtropical lime the other cities around.
The only way any palms could grow in this area unprotected is to place them in desirable areas sheltered from north winds and against a south facing wall. Really, only Sabal Minor and Needle Palm have a chance to make it multiple years, especially with a little mulching at its base. There was a windmill palm that survived for years unprotected in Niagara on the Lake, but it succumbed to the polar vortex around 2014 or so, so it is possible, but not easy.
Btw needle palms are hardy to zone 5 even Montreal has chances, if in Billings 4b they go lucky, Montreal even better.
Not always Virginia has humid-subtropical in all parts of state, the Cfb Oceanic and Dfb warm-summer humid continental are just microclimates of highlands, Cfb lacks the heat of Cfa in summer, and Dfb does not take up the milder winters of Cfa and Cfb.
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