Red or reddish stonecrop Sedum rubens is found in hot dry sites often along roadsides and is frequently accompanied by the yellow stonecrop S. litoreum. Opening in early summer, the pretty small flowers are almost white with a pink blush and striped with deeper red line but as summer progresses the flowers as well as the leaves become increasingly red.  A close look at the flowers reveals tiny glandular hairs, which emit a liquid, which protects against high heat and light