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StainMatrixOutdoor Stains

How to Remove Grass Stains

Pick your fabric for a 3-step textile-chemistry guide

Treat before washingChlorophyll and tannin bind to fibres. Pre-treat before any washing.

Cotton quick fix

  1. 1Let the stain dry completely — seriously, don't touch it wet
  2. 2Brush off the dry bits with a stiff brush, then spray on a stain remover and let it sit 15 minutes
  3. 3Wash in cold water and check the stain is gone before the dryer
Full cotton guide →

Why Grass stains are tricky

Plant-based stains contain chlorophyll pigments and tannin compounds that continue oxidizing after contact, deepening their bond with fabric fibers over time.

How to prevent Grass stains

Applying a stain guard to sports clothing and jeans makes grass much easier to remove. Do not rub wet grass into the fabric — blot to remove surface pigment first. Enzyme pre-treatment is far more effective than plain detergent on chlorophyll.

Similar stains to treat