Container Plants Archives Desert Gardening 101 This is HANDS DOWN my most used plant essential on watering day! These hanging catch trays can hang from any 4 9 planter (potentially even larger depending on the depth of the planter) and Good things come in twos! More often than not we're planting two window boxes at the same time. Even though it's for practical reasons primarily (most philly row homes have two front some flowers of anthurium on a white background Stock Photo Alamy