Blackberry Rubus ' Prime Ark-45' (Starter Plug) This offering is for a Starter Plug 1 inch. Tissue Culture grown producing the best charasteristics. They will be sent to you bare root via USPS Priority Mail. Full sun to Zones 4-10. Good Northern/Southern combo. Fluricane 2nd wood produces abundant crop in summer. Thornless smaller patio type bush 4-10 feet. Self pollinating. Blackberry flavor, high in Vitamen C and protein. Grow Organic fruit in patio container or garden. We offer these in Starter 1 inch Plugs and Bundles of 3.