Delphinium exaltatum, or Tall Larkspur, is a 3-5 foot long-lived perennial that thrives in shade to part sun and rich, moist well-drained soils. Tall Larkspur has brilliant blue flowers that appear in July to August. This beautiful foliage plant is a nectar source for hummingbirds.
Light: Part Sun-Shade
Soil moisture: Medium-Dry