Flower, Seeds and Seedlings
The flower of Spigelia persicarioides is a tubular, yellowish-green corolla, with a five-lobed calyx. The seed is a small, black, ovoid capsule, containing several small, black seeds. The seedlings are small, with a single, oval cotyledon.
Cultivation and Propagation
Spigelia persicarioides is a perennial herb that can be propagated by cuttings or division. It prefers well-drained soil and full sun to partial shade. It is drought tolerant and should be watered regularly during the growing season. It is best to fertilize the plant in the spring with a balanced fertilizer.