Here are a few I am use to playing with
Here is a red Coreopsis , and some regular Feverfew How about the Frozen water .so far they really don't seem to care ,
Petunia , Has taken 24 degrees , been frozen at least a dozen times , and it does not look to good of course , but a petunia still growing here in Dec. Still alive , ???
Rick ,, I like the Hydrogen peroxide other thread , interesting it is sometimes
Green plants outside are still looking good some days
