
Beach Rose, Rosa rugosa, is an introduced plant to New England from Asia. Arriving in 1854 and became naturalized after 1900.
It is a tough plant that can withstand the coastal salt spray. It's large pink flowers are sweetly scented.

Info from .... Wikipedia
What a delicate and beautiful rose clearly hardy to grow in those conditions
You should have them up by you...
I must pay more attention :) most likely they are here as well