Hi everyone ! My Pelargoniums are still in full bloom here in zone 5. I
> have them in windowboxes on the deck (17 boxes). My question is: The
> temps around here might go down in the low 30ies next week .... Can the
> plants take a couple of nights of light frost? Or do I already have to
> take them to the basement for the winter ?
> Thanks ! Rosie z5
>
Cover them in zone 5 to keep them from freezing until at least the middle of October or later. You should get quite a few frost free days with warm spells until then. It's still a bit early to put them in the basement and expect them to survive until next spring.
John