This mob spawns at due east from the PoK book and you'll find them. You'll have to go over a big hill, maybe two. You can find them around -685, 223, -53 as well.
seed pods are for Hardy Seed Quest given by Farmer D'Resh in the inn (crescent reach) also any other mob that drops seed pods. reward is 30 lvl regen (potion of recovery) x 10 aka Elixer of Healing IX, heals between 270 and 328 hp every 6 seconds for 30 secs.