Need help with a MOTHERS DAY GIFT! Please!

Am

My mother passed away when I was 5. It’s been 15 years since April 23. I NEVER IN MY LIFE BUILT A MOTHERS DAT GIFT. I want to get something for my boyfriends mother, but I do NOT know what to get! Any advice?? I plan on getting her a giant Mother’s Day card. Other than that I don’t know what to get!