Kalinka (Russian) - I think this is about a tree or shrub

The Cherry Tree Carol

In The Shade Of The Old Apple Tree

Cherry Pink and Apple Blossom White

Blackjack Oak

"He's Young But He's Daily Growing" is also known as "Trees, They Grow High."

Wildwood flower also mentions some trees (e.g., the myrtle)

Buffy Saint-Marie's "Piney Wood Hills"

Cinco Robles, Cinco Cerros (Five Oaks, Five Hills)