Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . Lots of calls are coming to Extension offices about vegetable plants that have lush and plentiful foliage but are not setting fruits, especially beans and tomatoes. There are several factors at play. One is high night time temperatures. Tony Melton explains that plants cool themselves by a process called transpiration – basically sweating. Special structures called stomata, located on the underside of leaves,