In my mind, I’ve always associated hollyhocks with summer holidays at the beach. Even this year, my beach vacation was punctuated with oooh-ing! and aaaah-ing! over the majestic hollyhock torches that were dotted around the small coastal town we were staying in. They seem to thrive in the sandy soil and the humid weather. It probably also helps that the sea breeze keeps the air around these rust-prone plants flowing freely. Back home, my own hollyhocks had had a short season in the sun. They were just opening up before we left in June and were already done flowering by mid-July. (Every year, I swear that I won’t go traveling when the garden is in full swing. And every February, in the fog of seasonal affective disorder, I end up booking a summer holiday.) Now the question is, what do I do with my hollyhocks (Alcea rosea) once they’re done blooming? At this time of year, f...