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The cooler weather is causing what appears to be a beginning of a manganese deficiency; aside from that, expect some shock and leaf loss when you notably change the light conditions of a Meyer. Oh, yes... no, those leaves will not return to "normal"; the manganese deficient (IMHO) might well regreen with some mineral foliar or chelated MN application; but the important thing is the color of the new growth, when it happens. If the new growth has a brownish reddish color before turning to green, you will know you are adequately nourishing the tree.

This post was edited by Johnmerr on Sun, Jul 20, 14 at 22:00

Thanks for the tips, I will check the color of any new growth. The night time temps have been hovering in the mid 50's and daytime 75-85. The nights here are much cooler than where I'm from (and what the tree is used to). Do you think that it's leaves will drop? They have yellowed more. Have been fertilizing and watering regularly. My two lemon cuttings are doing very well, the move did not affect them like my larger tree.

The temp is not the issue; it is the change in light conditions. If the tree drops its leaves and you are treating it well, it will replace them with new leaves better suited to the new light conditions.

Patience and love; you will be rewarded.