Rosa x Rubus?

I read a post somewhere (I thought it was here) where someone crossed a rose with a blackberry. He claimed the cross took and would give an update on how it turned out. Can anyone recall this and fill in the details?

-Mark Lee, Seattle

This was discussed on the old RHA Forum. The last thread on the topic was the one linked to below. Click ‘Next’ at the top of the page to read the replies. Please do not post anything to the old forum. If you wish to reopen the discussion, please start a new thread here.