Unless this vendor is a woman from Western Cananda who lost the opportunity to sell a bunch of phrags last year, I have no idea who you may mean! Then I guess the question should be; "from whom can I get this cross?".
Only "fairly good" at growing Phrags? LOL I'd say you really excel with them. If someone like yourself has trouble with plants from a vendor, it's not a good recommendation, for sure. And, keep in mind I haven't said who the vendor is so perhaps some of the assumptions being made are wrong. heheheh