How Much Epsom Salt Do I Put In A Tree Stump?

How Much Epsom Salt Do I Put In A Tree Stump?

The amount of Epsom salt needed to treat a tree stump depends on the size of the stump itself. Epsom salt (magnesium sulfate) is used to dry out the stump and accelerate its decomposition.

Here’s a general guideline on how to use Epsom salt for this purpose…

Step-by-Step Guide:

  1. Drill Holes – Start by drilling deep holes in the top of the stump using a 1-inch (2.5 cm) drill bit. The holes should be about 8 to 12 inches (20 to 30 cm) deep and spaced a few inches apart across the entire surface of the stump. For the sides of the stump, drill holes slanting down to connect with the holes drilled from the top.
  2. Apply Epsom Salt – Fill each hole with Epsom salt, packing it as densely as possible.
  3. Add Water – After filling the holes with Epsom salt, pour water over the stump, wetting the salt to help it dissolve and penetrate into the wood. The water helps to transport the Epsom salt deeper into the stump.
  4. Cover the Stump – Cover the stump with a plastic tarp or similar covering. This helps to retain moisture, ensuring the Epsom salt remains moist and active. The covering also helps to keep rainwater from washing the salt away and can create a greenhouse effect, further promoting decay.

Amount of Epsom Salt:

  • For a Small Stump (up to 12 inches in diameter) – You may need about 1 to 2 pounds (0.45 to 0.9 kg) of Epsom salt.
  • For a Medium Stump (12 to 24 inches in diameter) – Start with 2 to 4 pounds (0.9 to 1.8 kg) of Epsom salt.
  • For a Large Stump (more than 24 inches in diameter) – You might need 4 pounds (1.8 kg) or more, adjusting the amount based on the stump’s size and the number of holes you can drill.

Additional Tips:

  • Reapplication – Check the stump every few weeks, adding more Epsom salt to the holes as needed. This may be necessary as the salt dissolves and the stump starts to decompose.
  • Patience Required – The process of decomposing a tree stump with Epsom salt takes time—often several months to a year or more, depending on the stump’s size and density.

Using Epsom salt is a cost-effective, environmentally friendly way to remove a tree stump, but it requires patience. The effectiveness of this method can vary based on factors like the type of tree, the size of the stump, and environmental conditions.