Triple Crown Thornless Blackberry-trade Gallon Size--a Trade Gallon Hold .66 Gallon of Potting Soil Triple Crown Thornless Blackberry-- great multiplying plant with HUGE berries Sold in a trade one gallon, 1-3 blackberry canes per gallon Zone 5-9, cannot ship to CA or HI. Please note: Our shipping stays the same ($9.95-10.50) for up to five items. So please check out all we have to offer and save yourself some shipping $$$!!! Perfect for fresh berries, pies, frozen berries, and jam Long producing season