In 2008 they bloomed in March, in 2011 they bloomed in late February, in 2012 they bloomed in late January and early February, in 2013, they bloomed in the middle of January. Does this seem right to you?:

Not the dogs; the flowers. Yellow jessamine in January?

Gelsemium sempervirens in January?
John S. Quarterman, Gretchen Quarterman, Brown Dog, Yellow Dog,
Pictures by John S. Quarterman for Okra Paradise Farms, Lowndes County, Georgia, 2013-01-30.

-jsq