Its flowers bloom from August into November; they open pink and mature to a copper befitting of autumn. It is 2 feet tall and wide, with succulent stems and leaves.
History: I think this is what has been growing in this area for years in 2-3 clumps. I used to think it was some kind of weed and probably pulled more of it in the past before it had a chance to flower.
Care: “Divide sedum every 3-4 years to maintain its compact growth habit. Older plants tend to split in the center if they have not been divided. Pinching the taller varieties back by half in early summer will also help prevent them from splitting. This plant is not usually bothered by pests or diseases. The seed heads of the taller varieties provide excellent winter interest and food for birds. Remove them in spring when the new growth begins to show.” — PerennialResource.com
How to Divide an Autumn Joy Sedum: Step-by-step instructions
Notes: “Sedum is one of the most popular perennials grown in American gardens because it is very easy to grow and hardy in most areas of the country. Because of its thick, succulent leaves which can store water, sedum is drought tolerant. It should be sited in average to poor soil that is well-drained. … Most varieties should be grown in full sun to light shade.” — PerennialResource.com
Resources:
FineGardening.com: http://www.finegardening.com/stonecrop-sedum-%E2%80%98autumn-joy%E2%80%99#ixzz3je864m9Y
PerennialResource.com: http://www.perennialresource.com/encyclopedia/view/?plant=781