Blue porter weed (Stachytarpheta urticifolia) stak-ih-TAR-fet-ah ur-tiss-ih-FOE-lee-ah This pest-free perennial blooms best during warm months. It is strange how these small blue flowers attract butterflies more than large-blooming, showy neighbors. Blue porter weed gradually reseeds nearby for a fresh batch of new plants. Mix with other species of Stachytarpheta for a variety of leaf shapes and colors ranging from purple to coral. Noteworthy Characteristics:  Attracts butterflies and bees; self-sows. Invasive in some areas, including Florida. Care:  Provide average garden soil in full sun to partial shade. Propagation:  By seed or from stem cuttings. Problems:  Infrequent.

Overview

Height 1 ft. to 3 ft. Spread 1 ft. to 3 ft. Light Full Sun to Part Shade Moisture Medium Moisture Maintenance Moderate Characteristics Attracts Butterflies Bloom Time Early Fall, Early Summer, Late Summer, Summer Flower Color Blue Uses Beds and Borders, Suitable as Annual Seasonal Interest Summer Interest Type Perennials