All are grown for their tubular, lipped flowers, which resemble those of honeysuckle (Lonicera) or Salvia. Annual kinds are low plants for edgings or hanging baskets; perennial sorts are larger, vertical-growing plants with flowering stalks that rise above the foliage.Lobelia cardinalis
This perennial is native to the eastern United States and to a few sites in the mountains of the Southwest. Erect, single-stemmed plant grows to 2–4 ft. high and 1 ft. wide. Sawtooth-edged leaves are set directly on the stems. Spikes of flame red, inch-long flowers show up in summer.
This perennial is native to the eastern United States and to a few sites in the mountains of the South...
From the eastern U.S. Grows to 3–9 ft. tall, 1–3 ft. wide, with a clump of hollow stems se...
Deciduous shrub or tree. Native to much of North America. Upright grower to 10 ft., sometimes treelike...