If you’re looking for a houseplant to grace your windowsill from spring to fall, hostas are a perfect choice. They will need some winter care, which you’ll read about later.
Best Care Tips for Indoor Hostas
Since hosta roots grow horizontally, for purely aesthetic reasons, the width of the pot should be greater than the height and the width should be no wider than 3” in diameter than the current root size of the hosta. This gives the hosta roots a chance to spread out and still nicely display the hosta's lateral and fan-shaped leaves. If you put a small hosta in too big of a pot, the hosta would be subject to root rot.
Regular potting soil amended with some peat moss for greater water retention is recommended.