The first time I saw a huge poster of this picture in a department store, I thought they were the most beautiful iridescent blue flowers I’d ever seen. Then I found them this week at the florist. When misted or wet with raindrops, these flowers shine. I now grow these in my garden.
Botanical name: Oxypetalum caeruleum. Ruritouwata in Japanese. They bloom from May to October.
Other names: Tweedia caeruleum / Southern Star / here they are called Blue Daystar. Of the Milkweed family. Origin: South America.
Other facts: May be an invasive weed. Drought-tolerant; suitable for xeriscaping. Average Water Needs; Water regularly; do not overwater. Self-sows freely; deadhead if you do not want volunteer seedlings next season. Said to be easy to grow.