They can be grown in the ground in USDA Zones 8 to 11.
The Joey Avocado Tree has an upright growth habit, deep green foliage, and is considered a heavy producer. The flesh is bright yellow to yellow-green when ripe, and has a pleasing, nutty flavor.Joey Avocado Trees are cold hardy down to 15 degrees F. This Mexican Avocado Tree grows egg-shaped small to medium sized fruits that have purple-black, slightly bumpy skin.