Peat pots. Square pots can be more tightly packed than round pots. Saves space and conserves moisture. 18 fit in a standard 1020 Tray. Peat Jiffy Pots can be put directly in the ground without disturbing seedlings. 3" square, 3⅛" tall. 8788 Jiffy® Pots 3" Square Item DiscountedFrom Quantity A: 36 pots $8.25 OMRI Certificate B: case of 1260 $226.00 OMRI Certificate