Tiny sky-blue flowers blanket low, trailing stems from July through frost—a heat-lover that thrives where other annuals wilt. Plant it in baskets, window boxes, or spilling over bed edges where you want color without deadheading.

Full sun and decent drainage keep it happy; once it settles in, it shrugs off our humidity and heat. Pair it with hot-colored companions or let it soften silver-leaved neighbors.