Do Outdoor Rugs Get Moldy? What You Need to Know Before You Buy Discover whether outdoor rugs really get moldy and how to avoid it before buying. This guide explains materials, placement, airflow, and care tips to keep your patio fresh in the UK climate. Learn what to look for when choosing outdoor rugs from Bedding Mill and prevent damp, musty messes all year round. Read the full blog for all the essential tips!