I don't have any true natives (ones that are just growing in my back woodlot) so hard to say. The ones at the nursery had a definite gradation from pale-ish pink to white that I'm not seeing in your photo. Here's what I find at a King County site:
https://green.kingcounty.gov/G...
This looks quite similar to mine, although mine may be more vivid. Which then may be the King Edward cultivar. Sheesh.
