Peat Pots BEST for rooting cuttings! 3" x 3" peat pots are the best choice for rooting rose cuttings. You know when your cutting is ready for moving on when the roots grow through the pot. Then you plant in a larger pot or to the garden, peat pot and all! G774 3" x 3" Peat Pots quan. 100, $23.95 P&H $6.25 Quantity to order: