How to Get Olive Tree Stains Off the Patio

Olive trees are slow-growing trees that can reach about 40 feet in height. These trees have strong wood and can resist the worst conditions such as rocky soil, drought and insect infestations. It's not uncommon to encounter olive trees that have been alive for hundreds of years. Having an olive tree on your property truly is a gift, as olive trees provide lamp oil, moisturizer and food. However, fallen olives can stain wood porches and patios in an unsightly manner. Luckily, you don't have to live with such stains, but can remove them strategically.

Small basin
1/2 cup granulated oxalic acid-based cleaner
Putty knife
Scrub brush
Hose

Instructions

- 1
  Pour 1/2 cup granulated oxalic acid-based cleaner into a small basin. Add a small amount of hot water, just enough so that the cleaner and water form a pastelike consistency.
- 2
  Scoop up a wad of the paste with your putty knife and smear it on the stains, applying a thick coat. Allow the oxalic acid to soak into the stains for five to 10 minutes.
- 3
  Dampen the bristles of a scrub brush with hot water. Shake it out and scrub down the stains. They should be gone or nearly gone. If not, you'll need to repeat with another coat of cleaning paste.
- 4
  Rinse off the surface with cold water from the hose in the highest pressure you can deliver it.

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