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Hi, everyone,

My cherry tree thrives under my T8 grow lights, where the seller thinks it can stay all year. Should I put it into the cold frame with the Junipers when the outdoor temperature falls below 20 degrees Fahrenheit? Chris O'Bryan suggests storing my Chinese elm there during the winter. It looks unhealthy on the plant stand. Most leaves look dark green with few new leaves, an several dead ones. If both trees require the same conditions, I should produce them. Thanks.

Bill

If it is a prunus cherry it definetely needs to go into dormancy. It is a temperate decidious tree. So if your in your setup is in a heated place it definetely needs to go outdoors.

What protection you need to provide depends on your winters. I live in a mild part of sweden. The tree can definetely survive winter outdoors. But my area is very wet in authum and winter. So I keep my trees in an unheated greenhouse. Mostly to avoid cracked pots when water freezes and expands. And to be able to enjoy them as well.

Tropfrog wrote: What protection you need to provide depends on your winters. I live in a mild part of sweden.?

What is the climate like there? Our image of Sweden is lots of snow and frozen temperatures, like Minnesota and the Dakotas where so many Swedes settled. Of course that is continental climate with only a little balance from the Great Lakes.?

Climate here in Alabama is sort of ridiculous. Mid November and I am still wearing short sleeve shirts. It cooled off for a week and the tropicals came in, but then temps came back up.

In south western sweden we have oceanic climate according to K?ppen climate classification. Pretty much same as UK, but slightly colder. Relativelly mild winters and summers. The true winter is very short and gets shorter every year. The typical winter arrives in january or februari and lasts for 2-8 weeks. Snow staying on the ground for an extended time is quite rare. Maybe every 5 years or so. Some years we get dry winds from the east. Then it can be below -10 for weeks. But typically it is dry and no snow during the deep freeze periods.

Summers is normally 20-25 degrees and lasts for 2-3 months. Temperature above 30 is very rare.

Yearly mean temperature is 7,5 degrees and average rain fall is 915mm with most of it coming in october to january.

The most common day on the year is around 10 degrees and cloudy. On sunny days?everyone go outdoors, no matter temperature.

Traveling just one hour inland will take us two growing zones down. This is were we can enjoy sunny winter days and do skiing.

Tropfrog wrote: In south western sweden we have oceanic climate according to K?ppen climate classification. Pretty much same as UK, but slightly colder. Relativelly mild winters and summers. The true winter is very short and gets shorter every year. The typical winter arrives in january or februari and lasts for 2-8 weeks. Snow staying on the ground for an extended time is quite rare. Maybe every 5 years or so. Some years we get dry winds from the east. Then it can be below -10 for weeks. But typically it is dry and no snow during the deep freeze periods.

Summers is normally 20-25 degrees and lasts for 2-3 months. Temperature above 30 is very rare.

Yearly mean temperature is 7,5 degrees and average rain fall is 915mm with most of it coming in october to january.

The most common day on the year is around 10 degrees and cloudy. On sunny days?everyone go outdoors, no matter temperature.

Traveling just one hour inland will take us two growing zones down. This is were we can enjoy sunny winter days and do skiing.

That is not what I would have pictured for Sweden. ?

The?northern?midwest US has bitter winters with snow on the ground most of the time and very low temps, not getting above freezing for months. We had always thought that area was settled by Swedes because the very cold climate was so much like home. ?Maybe they came from a different area??

I know that there were Norwegians, too. A town in South Dakota is named after the town in southern Norway where a large group arrived. In the 70s there were some old-timers there who played Hardanger fiddles, which originated in the Hardanger fjord area. ?

Sweden is on my list of travel destinations, but not real high. I may have to raise it.

Despite very off topic:
Sweden is a very long country, 1600 km south to north and the mild oceanic climate is only covering a very small fraction of it. Below map of growing zones show the situation. I would never consider move away from the brown area. Which means that my options is very limited:


G?teborg to Bor?s is only 60 km and it is two zones colder. The people that emigranter to the mid west USA mostly came from the sm?land highlands. That is the light green area around J?nk?ping, 150 km and 4 growing zones from here. A bad winter there is really bad. Staying below -20 for months.