Name: Susan Virginia (Zone 8a) God is the only thing that matters.
20 inches, well that's one good thing! They should still stop doctoring photos, it's a form of deception. Also some exaggerate on the zones, but if it is a new plant there is no where to look it up, you basically have to take their word for it.
Consider the lilies of the field, how they grow; they toil not, neither do they spin: And yet I say unto you, That even Solomon in all his glory was not arrayed like one of these. Mat.6:28-29