Hello J E! I’m glad you came to planDisney! Your co-worker (and fellow Disney fan) is absolutely correct! I’ll provide you with some helpful details!
I can’t imagine a better place to celebrate a birthday than the Most Magical Place on Earth! Your granddaughter is going to love having her special day at the Walt Disney World Resort!
The magic-makers that you want to contact are
Disney Floral and Gifts! They can be reached at (407)-939-4438 or you can check out their website which I linked in this answer to your question. They have some adorable gift baskets, balloons, and/or floral arrangements that can be delivered to your room to surprise your granddaughter! Be sure to check out the great Mickey Mouse Birthday Ear Hat that is currently available!
Disney Floral and Gifts is currently accepting phone or online orders for deliveries through August 26, 2023. Guests with arrival dates after that date should check back to the website closer to their arrival date to learn more about a new vendor, Florida Fresh Floral, who will be able to serve you!
J E, also keep in mind that your granddaughter can receive a complimentary birthday button at the Walt Disney World Resort! Complimentary buttons can be picked up at your Walt Disney World Resort hotel front desk or at the
Guest Relations office in any of the four Disney Parks!
Happy Planning!
Jonathan