These easy-to-grow annuals bring lovely shades of blue to the spring garden. Sow in well-drained soil in fall or earliest spring; or sow in pots and transplant while seedlings are very small. Give some water to extend bloom season. Especially showy when combined with California poppy (Eschscholzia californica), sticky monkey flower (Mimulus aurantiacus), and other heat-loving annuals.Phacelia tanacetifolia
From the deserts of Southern California and northern Mexico. Grows to 1–4 ft. tall and 1 1/2 ft. wide, with much-divided, ferny-looking leaves. In spring, coiled flower heads unfurl to present a multitude of blue or lavender-blue blooms up to 1/2 in. across. Very attractive to bees and other beneficial insects.
Native to the high plains of the West. Longtime favorite for pots, borders, and especially for cutting...
Native to South Africa, where it grows in disturbed areas such as along roads. Grows to 1 1/2 ft. tall...
Native to Europe. Coarse, rather weedy garden plant to 3 ft. tall and 2 ft. wide, with finely divided,...