Prunus can be deciduous or evergreen trees or shrubs with showy flowers in spring, and often good autumn foliage colour. Some have edible fruit in autumn, and a few species have ornamental bark
'Blue Rock' is a well-flavoured, very juicy, moderately sweet blue plum that produces regular, good crops on a neat tree. It's not self-fertile, so requires a pollination partner. Picking season is early to mid Aug . Free stone, firm flesh. Pollination group 1
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