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
Native to the eastern United States and to a few sites in mountains of the Southwest. Erect, single-stemmed plant grow 2–4 ft. high, 1 ft.wide. Sawtooth-edged leaves are set directly on the stems. Spikes of flame red, inch-long flowers show up in summer.
From eastern U.S. Grows to 3–9 ft. tall, 1–3 ft. wide, with clump of hollow stems set with...
Native to much of North America. Upright grower to 10 ft., sometimes treelike to 20 ft. Spreads widely...
Native to the eastern United States and to a few sites in mountains of the Southwest. Erect, single-st...