There are about 300 different Campanulas, commonly known as “bellflowers.”
Catnip, also known as Catmint, is aptly named. Cats love it, and it is a member of the mint family. This plant's botanical name is Nepeta.
Learn all about the Climbing Hydrangea, on this Focus on Flowers.
There are about 40 Eupatarium species of native North American wildflowers available and they like room to romp and form large clumps.