15 Surprising Uses for Pine Cones Every Gardener Should Know

or crushed pine cones around the base of perennials, shrubs, and trees.
Avoid direct contact with plant stems to prevent rot.
Combine with shredded leaves or bark for improved texture.
2. Natural Weed Barrier
If weeds are a recurring headache, pine cones can help. Their tough, spiky texture makes it difficult for weeds to push through, especially when used in raised beds or around ornamental plants.

Why it works: The dense layer blocks sunlight and physically prevents germinating weeds from establishing.

How to use:

Spread a thick layer (2–3 inches)