Where to Find and Catch Floette
From Pokemon Go Wiki
Floette are found and captured in Nest and Habitat locations.
Nests
Floette Nests are locations that consistently spawn Floette.
Habitats
Floette Habitats are spawn locations where Floette is likely to be encountered, but not guaranteed the way a Nest is.
Additional Tips and Information
Best Nests
If you know a really good nest or any of the nests above is really good, list them here: