PHACELIA (Named from the Greek for cluster; refers to clustering of flowers) The best known sort is Phacelia campanularia, the Harebell Phacelia, which bears Gentian-blue, bell-shaped flowers with contrasting white stamens on one-sided curved racemes. The plants grow 9 inches tall and are somewhat hairy. They remain in bloom for a long time, the flowers being produced in one-sided curving […]