1: Learn how to safely smother poison ivy with cardboard.

2: Cardboard is an eco-friendly and effective way to kill poison ivy.

3: Cut cardboard to fit over the poison ivy patch.

4: Place cardboard over the poison ivy and secure with rocks.

5: Leave cardboard in place for several weeks to block sunlight.

6: Without sunlight, the poison ivy will eventually die off.

7: Remove the cardboard and dispose of the dead poison ivy.

8: Replant the area with desirable plants to prevent regrowth.

9: Repeat the process as needed to keep your garden poison ivy-free.