Lobelia cardinalis
Lobelia cardinals photo courtesy of Walters Gardens
Cardinal Flower

Lobelia cardinalis is a native plant with brilliant fire red flower spikes atop distinctly upright plants from late summer through early fall. The leaves are green and lance-like. This species prefers a location in partial shade. Lobelia is an excellent border plant for moist locations and is a hummingbird magnet. It also attracts butterflies and swallowtails.

  • Height: 90-120 cm(35-47 in)
  • Spread: 45-60 cm (18-24 in)
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: partial shade
  • Bloom Time: late summer to early fall
  • Leaf Colour: green
  • Bloom Colour: red
  • Nature Attraction: hummingbirds, butterflies and bees

Growing and Maintenance Tips

The perfect plant for damp locations such as near ponds or low-lying areas, Lobelia will easily adapt to 'wet feet' but can also tolerate well-drained soils. If enough moisture is available, it will grow in full sun. In drier soils, it should be planted in part shade. Deadheading spent blooms will improve the overall appearance of the plant and may promote reblooming. It's a good idea to cut this plant back in the spring instead of the fall, since the foliage will help protect the root zone in the winter. Mulch is also recommended.

Print