spectabilis: Beautiful pendulous, heart-shaped flowers in the late spring. Foliage is peony like. Tends to go dormant in the summer heat so plant near summer flowering or foliage plants. Spacing 36 inches. Height 30 inches. Combine with Brunnera, Phlox, Myosotis.
formosa: long blooming flowers attract hummingbirds. Foliage is blue grey, with a fernlike texture. Striking against dark backgrounds, along walkways, at the gardens edge. Combine with hostas, ferns or wild ginger for a stunning effect.
Spacing 18 inches. Height 12 inches. Combine with Anemone, Brunnera, Asarum, Tiarella.
Care and Maintenance:
Will not tolerate drought or wet winter soils. Remove faded blooms to increase rebloom. Cut back when dormant. Formosa varities susceptible to crown rot. Ensure soils are well drained.