Determine the height of your pumpkin tower. Gather pumpkins, choosing a variety of sizes and colors. Measure the height of the pumpkins to make sure you have enough to accommodate the desired height of your tower.

Purchase rebar and cut to the desired height of the tower, adding 12-18 inches that will be set into the ground for stability. So, if you want a 5-foot tower, your rebar will need to be at least 6-feet long.

Sink the rebar into the ground. Hit the top of the rebar with a sledgehammer to drill the bar further into the ground, if necessary.

Choose the largest pumpkin for your base; it can be round or flatter. Remove the stem by tapping it lightly with a hammer or sawing it off. Sometimes you can pull the stems off by hand.

Drill a hole in the middle of the pumpkin, both top and bottom, penetrating through the shell. You don't need to drill all the way through the pumpkin since the center is soft. Use a drill bit that creates a hole as close to the size of the diameter of the rebar. Don't avoid this step. If you try to force the pumpkin onto the rebar without drilling a hole, the pumpkin could crack.

Slide the pumpkin onto the rebar and guide the pumpkin to the bottom. You'll be able to spin the pumpkin once it's on the rebar, allowing you to face the pretty side of the pumpkin where it's most likely to be viewed.

Continue the process until you've added all pumpkins to your rebar. Try to place the biggest pumpkins on the bottom and the smaller pumpkins at the top, for added stability of your pumpkin tower. For the top pumpkin, leave the stem attached and drill a hole in the bottom only. Slide this pumpkin to the top of your stack to complete the tower.

Note: you can place pumpkins on the rebar sideways. If you choose to do this, leave the stem attached and drill a hole on opposite sides of the pumpkin.