Canna lily seeds: can they be planted directly in the ground? My Favorite Thing about ZZ Plant! Tell Me Yours Honeycomb Mid Century Modern Indoor Metal Pot Planter with 3 Leg Metal Base 13 inch H x 10.25 inch W, 21556 Tall winterberry was the starting point for these festive holiday containers. Just because the planters aren't huge doesn't mean the arrangement can't be big! This is especially true when using cut greens.