A probably cultivated adult with fruit and nearby wild seedlings (entered as a separate observation).
One of several seedlings along the ditch at the front of the garden near a fruiting adult plant (perhaps planted).
The sign says Arbutus unedo "rubra".
Arbutus unedo, commonly called Strawberry Tree, Apple of Cain, or Cane Apple, is an evergreen shrub or small tree in the family Ericaceae, native to the Mediterranean region and western Europe north to western France and Ireland. Due to its presence in South West Ireland, it is known as either an Irish strawberry tree, or a Killarney strawberry tree.