Q: Would Lenten rose thrive through winter in pots outside on covered porch?
A: Lenten rose should be fine in a 12″ or larger pot. Be sure the pot is supported off the porch floor so it drains after watering. Fertilize lightly in spring.
One of my favorite hellebore cultivars is ‘Ivory Prince’. It has ivory white blooms initially but they turn an intense lime green after a few weeks. It’s really a show-stopper when planted in a shady streetside bed.