It spreads by basal rosettes at the base of the plant, which can be divided every few years, and also by seed. Psst—these are the best perennials to grow for hummingbirds. Great blue lobelia is ...

annual John gives a strong vote to two native perennial varieties: great blue lobelia (L. siphilitica) and cardinal flower (L. cardinalis). Annual edging lobelia, a popular container plant ...

Q: I listened to your podcast earlier this summer, and in one of them you mentioned a perennial salvia that was blooming better than other types, but I can’t remember the name. Can you repeat ...