I go by the labeling when the source is trusted. This one I purchased and planted is from Annie's Annuals and Perennials. I can see the difference in what they are advertising and what I purchased.
http://www.anniesannuals.com/p...
Feel free to move it and I will change the description to reflect from where and what it was sold as. Here's another photo with the relevant bit of the label I placed there upon planting.