For many Americans, Mother’s Day means flowers. And flowers are a big business. Here’s a guide to how we spend our money on the perennial gift, plus advice for finding the best blooms. 84% of U.S. adults plan to celebrate Mother’s Day this year, spending an estimated $35.7 billion on gifts and outings, up nearly $4 billion from last year’s record high. Flowers are expected to be one of the most popular gifts.

---