What: Woods Blue New York Aster – Aster novi-belgii ‘Wood’s Blue’ ...

Shared in the r/NativePlantGardening subreddit, the original poster wrote: "Not sure how this blue wood aster is still flowering, we've had multiple nights in the mid 20s and 2 - 4 inches of snow ...

The flowers are a pale blue-purple with yellow centers, and the plant grows 3 to 6 feet tall. Blue wood aster is native to the eastern half of the United States, where it attracts a number of ...

It is one of the Blue Wood asters, but I suspect it has the smooth Aster laevis in its pedigree. Snails and slugs ignore it. There is more to warm British Octobers than a haze of blue.