flower placed in highlighter fluid can absorb the fluorescent ink into its leaves and petals? Shining a black light onto it then reveals a delicate network of glowing veins. The colours in this amazing image by Boaz Ng are natural.
Colorado Columbine - by Lynn Bauer - Blue Columbine: The columbine (from the Latin word for dove, columba), is a circlet of petals thought to resemble doves. The blue columbine is a symbol of fidelity, and often appears in paintings of Mary.
Balloon flower: Lovely little blue balloon like flowers that are perennials, in zones They like sun to partial sun, blooms for you late summer enticing to the lovely butterflies. They've done great in my OK garden, with a little shade.
Zones: Bloom time: May; then six weeks later. To prune: Cut the stems all the way back to the foliage. Good to know: After the second bloom, leave the blossoms on the plant to reseed. Full sun to part shade.