There are over 200 species of hibiscus, and they are beloved because of their big showy flowers and green, clean-looking foliage. They fall into three different major categories: tropical, perennial and hardy.
English Lord Holland wrote a poem about his wife who got dahlia seeds from Madrid (via the New World): “The dahlias you brought to our isle, your praises forever shall speak; mid gardens as sweet as your smile, and color as bright as your cheek."
I would not be without my annual larkspur, which I have enjoyed year after year and some often self-seed and return, but in order to be sure, I always buy some seeds. I don't want to risk a year without it!
“I have grown wise, after many years of gardening, and no longer order recklessly from wildly alluring descriptions, which make every annual sound easy to grow and as brilliant as a film star.” -Vita Sackville-West