Plant elephant ear bulbs about 4–6 inches (10–15 cm) deep, or roughly 2–3 times the bulb’s height, with the growing tip/“stem” side facing up and the flatter root side down.

Quick Scoop

  • Aim for a planting depth of 4–6 inches in the ground; larger bulbs go a bit deeper, smaller ones a bit shallower.
  • A simple rule: measure the bulb from top to bottom and plant it about 2–3 times that height deep. This keeps it stable and prevents drying out.
  • In many guides, that ends up around 5 inches deep so the top of the bulb sits about 1 inch below the soil surface.
  • Space bulbs well (often 2–4 feet apart outdoors) so the big leaves have room to spread.
  • Make sure the spot is warm (after frost), soil is loose and well-draining, and water consistently—elephant ears love moisture.

Think of it like tucking a small potato into bed: not too shallow so it dries out, not so deep it struggles to sprout—just a snug 4–6 inch blanket of soil on top.

Bonus container tip

When planting in pots, you can follow the same depth rule (about 4 inches of soil over the top of the bulb), making sure the container is deep enough to allow that coverage plus good root space.

TL;DR: Plant elephant ear bulbs 4–6 inches deep (about 2–3× their height), with the tip up and about 1 inch of soil over the top, in warm, moist, loose soil.

Information gathered from public forums or data available on the internet and portrayed here.