I turned 3 tables into functional flower arranging tables: The Gardener's Stand from the Greenhouse Haven Kit, Houseplant Hobbyist Shelving from the Blooming Rooms Kit, and Forager's Delight Bench from the Cottage Living EP.

 

Each table requires the corresponding pack and Seasons EP to work.

 

 

The Gardener's Stand from the Greenhouse Haven Kit, which was made functional and serves as a flower arranging table from the Seasons EP:

 

 

You can find them in the game by searching "Functional Flower Arranging Table".