"I Do" or Do I?

Requirements:

Tend Grand Bisons 4 Times
Gather 40 White Rose Petals
Complete the Ceremony Ranch

Rewards:

Veiled Cowboy Hat, Wedding Wagon, Good Advice

Comes from:

Tamin' Bridezilla

Notes: We recieved a Grand Bison from the previous mission. White Rose Petals drop from White Roses. Building details are HERE.