Temperatures and stonefruit winter kill

Came across this. Maybe it has been discussed here? Don’t think i’ve seen it.

http://horttech.ashspublications.org/content/21/6/767.full

Keep in mind that they had a warm spell in late Jan when temps were between 50F-60F… Those buds probably lost their winter hardiness after that and would have been smoked by those negative teens…

Blazingstar does not like cold…i have no idea what China Pearl…

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More info is always good, thanks!

Some of these are North Carolina varieties. They are on my list should my Redhaven not cooperate.

https://yancey.ces.ncsu.edu/peachtreevarietydescription/

There is also this publication to come out of MSU after the 2014 polar vortex v 1.0 winter.