Origin of Wrigley Field ivy

The Chicago Cubs

Left field wall at Wrigley Field without the Ivy. They're doing brick maintenance. : r/baseball

Ivy Art Print

Wrigley Field - Everything you need to know - Swift-n-Savvy

Ivy at Wrigley Field? It was snatched from Indy

Why are Wrigley Field's outfield walls covered in ivy?

Could Wrigley Field's ivy wall be a registered nontraditional trademark for the Cubs?

Origin of Wrigley Field ivy

A Chicago Cubs visual primer - O Street