This document discusses Sambucus nigra ssp. cerulea, also known as blue elderberry. It mentions sightings of blue elderberry growing as a shade tree at various Mother Nature locations in California and Colorado, including after a fire in San Miguel County, Colorado and in a hedgerow at Mother Nature's Montrose Garden in Montrose, Colorado in 2019.

1. Sambucus nigra ssp. cerulea
Blue (Mexican) elderberry

12. As shade tree. Mother Nature’s Backyard, Gardena Willows Wetland Preserve. CA

14. After fire, San Miguel Co., Colorado

15. Mother Nature’s Montrose Garden, Montrose CO, 2019

16. In hedgerow. Mother Nature’s Montrose Garden, Montrose CO, 2019