ARE PETUNIAS HARDY ENOUGH TO PLANT IN MAY IN NEW ENGLAND, AND IF SO, CAN THAT TAKE A FROST IF WE GET ANOTHER ONE THIS YEAR?
Petunias can withstand light frost once they're established, but if they are moved directly outdoors from a greenhouse, they can be nipped by a light frost. It's safest to wait to plant them until after all danger of frost has passed. Or be prepared to cover them in case frost occurs.
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