Avocado. I am very happy to have managed to get seeds from a very cold-hardy mexican avocado variety. Described by some people as the most cold-hardy avocado Del Rio was originally found growing in the town of Del Rio in Texas and the original tree has survived a temperature of -14 Celsius (7 F) without dying back all the way to the ground.

This is amazing, but make no mistake. Cold temperatures in dry texas climates undoubtedly allow for such records. As soon as you are growing in humid climates temperatures way less cold are more lethal, i think.

I will try growing these and to protect them in their first years. My hope is that if they reach 2 meters and more in height they will no longer completely die back in winter even unprotected.



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