Temperate, wet climate → year-round grass. Rolling green hills, pastures, bogs dominate the view from air and ground.
Dairy and beef cattle graze on emerald swards. 80%+ agricultural land = grass. Green = wealth, sustenance, rural life.
Pre-Christian: green = nature, fertility, renewal, the Otherworld. Sacred groves, fairy lore, seasonal festivals (Bealtaine, Lughnasadh).
Green = freedom, sovereignty, Gaelic Catholic identity.
Green | White | Orange — Green = Gaelic/Catholic/nationalist; Orange = Protestant/Williamite; White = peace between them.
Global green-wearing ritual. Chicago River dyed green. Landmarks illuminated. The world "goes green" for Ireland's patron saint.
Green isn't just a color for Ireland—it's a condensed biography: land, labor, faith, fight, flag, festival.