Thank you Gilda and Jason for posting the cross. I forgot to do so. For now, this ones just a baby (see below). Its a division off a monster of a bush. 3 main growths, 8 new growths.You should see the size of the plant. Sorceror's Apprentice is also one of the largest foliage phrags there is, often measuring 5 feet across.
NYEric, FYI, sargentianum can produce darker red petals than besseae, which is why it is one of the best breeders when it comes to red petals.