Potted Planter with Drainage Hole. The unique mesh bottom provides excellent drainage to protect plant roots. Reusable Seedling Tray Pot. These durable flower pots can be reused multiple times. Maximize Space Utilization. The square design maximizes volume, and the large size is ideal for transplanting or growing larger plants, or for greenhouse propagation. Beautiful, thick plastic basin. It can be kept in the sun for several seasons without becoming brittle. Suitable for sizing seedlings, cuttings, or succulents. Deep Basin. Large pots for cuttings and annuals. Extra-deep pots allow for a longer growing time before transplanting.