Yup, fall has officially arrived in RI...we got a touch of frost on Sunday night. My dahlias, ageratum, nasturtiums, and the peppers in the vegetable garden were lightly hit. I was really suprised the pond plants are fine. It makes sense why the water lettuce and others didn't get damaged. Water cools down much more slowly than air and it protected the plants. I think the water is going to be skimmed clean of floaters this weekend before they are reduced to mushy slime.
I was up at a client's house in Gloucester and man, they were hit HARD with frost. Their hydrangeas and annuals were pretty much fried with little hope of recovering. Newport and the surrounding areas weren't bothered at all with the drop in temperatures. That completely blows my mind we can have that much difference in temperatures in such a small state. That's what makes gardening so interesting in Rhode Island!
(Don't tell anyone, but I'm ready for some fall/winter weather after this growing season. Bring on my long winter's nap!)