If a watermelon stain is left untreated for a long time, it will oxidize and change colors.

Once the stain changes from pink to yellow or brown, it can become very difficult to treat.

Treat the Stain

Check the Stained Area

Check the stained area.

How to Remove Watermelon Stains

The Spruce / Michela Buttignol

If the stain remains, do not machine dry the garment and move to the next step.

Older watermelon stains may oxidize and if they have been dried, the heat has likely set the stain.

First, flush the stain in cold water.

materials for removing watermelon stains

The Spruce / Letícia Almeida

Then wash it in the washing machine in warm water and a heavy-duty laundry detergent.

Use warm water and oxygen bleach to soak thewhite garmentfor at least a few hours if not overnight.

Rinse well and repeat if necessary.

removing excess stain solids

​The Spruce / Letícia Almeida

flushing the stained garment with water

​The Spruce / Letícia Almeida

pretreating the stain with stain remover

​The Spruce / Letícia Almeida

cherry stain on a shirt

The Spruce / Jorge Gamboa

mixing an oxygen bleach solution

​The Spruce / Letícia Almeida