How to Clean Fiberglass Planters: A Step-By-Step Guide

Since fiberglass planters are incredibly durable and low maintenance, they are an ideal choice for plant displays in both indoor and outdoor environments. However dust, dirt and other debris will eventually accumulate and need to be cleaned off their surfaces. Here are step-by-step instructions on how to clean fiberglass planters to help maintain their look and overall longevity.

How to Clean Fiberglass Planters

To maintain the exterior appearance of your fiberglass planter, cleaning them every so often will keep dust and dirt down and help to keep arrangements and displays looking their best.

Materials Needed:

  • Water
  • Mild soap
  • Soft, Bristled Brush
  • Soft Sponge or Cloth

Planter Exterior

  1. Gently brush off any dried dirt or debris from the planter with a soft bristled brush.
  2. Dampen a soft sponge or cloth, and gently wipe down any residual dirt or debris.
  3. Use warm soapy water and a soft sponge for any lingering soil.
  4. Rinse with water to remove any soapy residue.

Planter Interior

  1. Empty planter of any soil, top dressings and sub-irrigation.
  2. Brush off residual dirt from the planter interior as thoroughly as possible.
  3. Use warm, soapy water and a soft sponge or cloth to wipe off any lingering dirt and debris.
  4. For stubborn stains, gently use soapy water and a soft bristled brush to clean the planter material.
  5. Rinse out the planter interior with water to remove any remaining soap.

A Few Tips to Maintain Planter Longevity

Keep your fiberglass planters looking better longer by keeping a few basic maintenance tips in mind.

  1. Visually check fiberglass planters every so often for scratches or chips. Though aesthetic damage doesn’t affect the structural integrity of the planter, water and dust can get under the finish. Leaving them untreated can lead to a diminishing exterior appeal. Small cracks can simply be covered by paint. 
  2. For larger blemishes or repairs, sand and fill with an epoxy. After the epoxy dries, make the finish flush and level by using a fine-grit sandpaper, and cover with matching paint. If you need assistance finding matching paint, please reach out. Once it’s applied, it may look a bit different as it hasn’t had time to age. However, over time it should reach the same hue as the rest of your planter.
  3. Consider applying a high-grade wax to your planters every so often to help maintain the planter’s finish. Use quality marine-grade wax to preserve a planter’s look and improve its longevity.

By properly caring and maintaining fiberglass planters, it’s easy to extend their durability and aesthetic appeal.

Allison is a budding plant person looking to share what she learns from horticulture and other subject matter experts. She earned her Bachelor's degree in Public Relations from Anderson University and is a SEO and Outreach Specialist at NewPro Containers. Her experience in PR and marketing has given her the skills to distill key facts and advice clearly and concisely across various platforms and mediums. When she is not researching new plants to add to her growing collection, she enjoys going on motorcycle rides and watching road-trip movies.

Fiberglass Planters

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