L25 blueberry and emerald blueberry have their own advantages and characteristics. Which is good and which is cold-resistant, depends on the specific planting conditions and needs.

L25 blueberry grows slowly, but its fruit quality is normal. It has strict requirements on cold resistance and likes cold climate.

Emerald blueberry has vigorous growth, large and hard fruit, long-distance storage and transportation resistance and strong cold tolerance, and the lowest cold tolerance is about-15℃.

Generally speaking, both L25 blueberry and Emerald blueberry have good cold tolerance, and the lowest cold tolerance is about-15℃. Which is more hardy depends on individual differences and specific planting environment.