How To Remove Mildew From Exterior Painted Wood Near Plants?


To remove mildew from wood siding, hardi-plan, or stucco, use the following solution:

  1. 1/3 cup all-purpose laundry detergent.
  2. 1 quart household chlorine bleach (must be fresh)
  3. 3 quarts warm water.
  4. An alkaline cleaner such as washing soda or a cleaner containing trisodium phosphate can be added for extra cleaning.


Use one of these home remedies for mildew and mold to eliminate it from wood surfaces. To kill mold with vinegar, pour undiluted vinegar into a spray bottle and spray the moldy area directly. Allow the vinegar to sit for up to one hour. Wipe the area clean with a damp towel and allow the wood to air dry.

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Frequently Asked Questions

How do you remove mold from painted wood outside?

With a simple cleaning solution of dishwashing soap and warm water.

  1. Add a teaspoon of soap to a spray bottle filled with water and shake it up.
  2. Spray the affected area and use a soft-bristled brush to gently scrub away the mold, sponging up any excess liquid as you clean.
  3. Dry the surface completely with a towel.

How do you remove green mold from painted wood?

Mix a cup of baking soda in a gallon of warm water and apply it with a scrub brush to remove green mold from the wood. Work the solution into the wood with the brush to lift the fungus out of the wood. The mixture can be used to wash the whole deck, or just applied to the moldy areas. Rinse with fresh water when done.

How to get rid of powdery mildew on leaves?

Wait at least a week to apply another spray treatment, and do this only if you do not see improvement on your leaves from the first treatment. Wipe leaves with a clean cloth to partially remove mildew. Before spraying your infected leaves, wipe them with a clean, dry cloth to get some of the mildew off first.

How long does it take for mildew to go away from wood?

If the stain lightens or disappears after two or three minutes, it's mildew. If not, it's probably just dirt. Mildew can discolor and slowly harm wood surfaces but there are much more dangerous molds that can damage the structure of your home.

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