
This is an update of how the trees are doing. It seems as if the caterpillar destruction was a blessing in disguise as the plants have never grown this vigorously before.
Many are over 5 feet. It may be of interest in that these plants were planted in lava rock that only had 4-6 inches top soil. I had a hole ram come and punch three holes in each planting location. The seedlings were planted in the center of the three holes. I also should note that this vigorous growth may be due to the continuous rain we've had over the last several months.
In any case, Luc was right these are tough guys. Thanks all for your past help.