USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
left unchecked this plant spreads fast. two summers ago there was a patch of blackberries running along a four wheeler trail in my backya...Read More
I am growing a plant of rubus ursinus in Vancouver, B.C. I grow it to hybridize with the Loganberry, Tayberry and others. I collected s...Read More
Easy to grow from ofshoots (from layering or stolons). Bears prolifically on second year wood. Requires litle atention but can be inva...Read More