HOW TO PLANT ELEPHANT EAR BULBS. In this video you'll learn the difference between Alocasia and Cloocasia Elephant Ear bulbs, and also how to plant elephant ear bulbs in your garden. Colocasia are the original elephant ears with downward facing leaves resembling the shape of an elephant ear.
Answers. 1  It is good, make sure the ceiling is 5 blocks high or more, also i would recommend making an area about 50x50 to 75x75 so as to make sure they will spawn, also, no water is needed and light level doesn't matter... although it would limit the amount of other mobs spawning. User Info: GoIdenAce.
They can also spawn in swamp biomes between layers 50-70 in light levels of 7 or less. Slimes will not spawn within 24 blocks (spherical) of any player, and will despawn over time if no player is within 32 blocks and instantly if no player is within 128 blocks.