World Seagrass Day celebrates the importance of seagrass, a vital marine plant that provides habitat, oxygen, and food for countless marine species. Seagrass also helps combat climate change by capturing carbon. This day highlights the need for conservation and awareness of these underwater meadows that are crucial for ocean health.

• Global Release
• First Release Feb 27, 2026
• Feb 26 → Mar 1 Annually
• Stamp Series International Days
• https://en.wikipedia.org/wiki/World_Seagrass_Day