Flowers are pretty. They rarely trouble me or cause me grief. I've never had a flower misrepresent its position, make bad investments with my money, or wantonly pursue its own interests at my expense. So in the interest of celebrating things that are reliable, here are some flowers. In no particular order: Tradescantia. Gaura lindheimeri. Opuntia. Sorghum vulgare. Salvia clevelandii.