Units: 100 Peat Pots, just transplant directly into the ground. Pot dimensions : 4.5 Inch Round At the Top and 4 Inch Deep Avoiding most of the root shock These pots are used by nurseries Peat Pots are great for use in any garden indoors or outdoors and they can be easily transplanted directly into the grownd avoiding most of the root shock . Pot dimensions : 4.5 Inch Round At the Top and 4 Inch Deep.