There's one in my vicinity in New Brunswick, Canada.

It's the only magnolia I've seen around here that isn't one of the hardy hybrids, like Leonard Messel. Gonna have to tap my hort-student daughter and see if she can find one for me.
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LOL I'd known she was doing a project starting magnolias from seed, because she discovered she's allergic to their seed coats (an allergy that would go undetected in most people, I expect). Turns out that she was working with the yellow "Butterfly" cultivar, and has a tray of seedlings.

So I'll /
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...have yellow ones to go with my pretty pink Leonard Messels, once they've grown to at least a foot high.

Serendipity strikes once more!
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