Outdoors, make sure to keep young potted avocado trees in partial shade; the leaves can burn if they get too much direct sun while they're still adapting to outdoor conditions. Check moisture ...

If you want to grow 'Hass' in zones 9, 10, or 11, consider planting it in the ground since avocado trees yield the most fruit when grown this way. You can help a potted avocado tree bear more ...