Hello. I am making a mini bog. I need help on making it. It is a small gardening bowl, about 14" across. I am putting in peat/perlite mix and a top dressing of spahgnum. The plants I am putting in are Sarracenia Purpurea. I live in NH, so I plan on leaving them out year-round, except I will move them into pots in the winter. The bowl is clay. Is this okay?