Amsonia tabernaemontana Walter

Erect, 4–10 dm; lvs thin, opaque, narrowly lanceolate to ovate or broadly elliptic, 8–15 cm, acuminate, finely hairy or glabrous beneath; cymes flat to pyramidal, many-fld; cor-tube 6–10 mm, villous, especially distally; cor-limb 1 cm wide; fr cylindric, erect, 8–12 cm; 2n=32. Moist or wet woods; coastal plain from N.J. southward, more widespread in s. U.S., and n. in the interior to s. Ind., c. Ill., and Kans. May, June. (A. amsonia)

Can be grown by cuttings, divisions or seedlings. Seeds needs soaking.