Owning a farm was a no-brainer for Carrie Underwood, who grew up on one in Checotah, Okla. A self-described green thumb, the country star, 42, lives on 400 acres with her husband, former NFL player Mike Fisher, and their two young sons in Tennessee.

But a source tells Star the constant grind of farm life is beginning to wear on the “Before He Cheats” singer.

<span class="wp-caption-text">Instagram/Carrie Underwood</span>

Instagram/Carrie Underwood

“It’s become too much for her to maintain, and she’s getting no sleep because she’s up at the crack of dawn taking care of all these animals,” says the insider of the chickens, horses and sheep on the property, which also includes fruit trees, a greenhouse and multiple gardens.

“She’s shoveling hay, weeding, fertilizing, harvesting, and then there are the repairs that never end.” It doesn’t help that she’s had a hard time finding and keeping hired hands, says the insider.

<span class="wp-caption-text">zz/XNY/starmaxinc.com/Newscom/The Mega Agency</span>

zz/XNY/starmaxinc.com/Newscom/The Mega Agency

Not that any of the American Idol judge’s 13.4 million Instagram followers would notice. While Carrie will occasionally reveal a downside (a swarm of bees!), her grid is filled with wholesome pics.

“It’s picturesque on social media,” says the source. “Behind the scenes it’s far from idyllic!”