Do not plant the bushes where peppers, tomatoes, eggplants, potatoes or strawberries are growing, or have grown in the past three years or so. These plants are prone to certain bugs and problems that the growing blackberry plants are also prone to, so keep away from these areas.
McGregor, G.R. and K.H. Kroon. 1984. ‘Silvan’ blackberry. HortScience 19(5):732-733
Silvan
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