So, what is it that you get when you cross a blackberry and a raspberry? Stemming from Scotland, we now have the tayberry. This beautiful deep reddish purple colored berry is very large and long in length. Originally cultivated in 1962 by David Mason and David Jennings of the Scottish Crops Research Institute, Invergowrie, Scotland the tayberry is a wonderful cross-involving a raspberry and a blackberry. It is a summer berry usual baring fruit in the months of July and August and is rather delicious both cooked and eaten fresh of the cultivated shrub in the genus Rubus of the family Rosaceae.