Itoh stems rotting and falling right out
I planted some Itohs this spring that were growing in a greenhouse, and so were about a foot or so tall already when planted in late April here in Toronto.
One in particular (a Bartzella) is struggling: the stems are breaking and falling right out at ground level or just below. it really seems like either the stems are really weak and cannot support the plant especially after it rains, or else this corner of my garden is too wet and the stems are rotting right at around ground level. So far 4 of the 8 major stems have fallen right out, and the rest look like they could go soon too.
What should I do? Is this plant doomed or will it come back next year? Will any other type of peony survive/thrive on this particular spot (marginally full sun at about 6 hrs, tends to stay a bit soggy since it as the lower end of my front walkway)?