Greetings all!

Last week I went to my local nursery and bought a 3-ft tall
pomegranate tree in a 5-gallon pot. I also bought potting soil and
consulted with the nursery manager about planting. Later that day, I
planted the pomegranate tree in the potting soil in a large terra
cotta pot. The root ball on the plant looked fine, and certainly
wasn't root-bound. I watered the freshly transplanted tree and put it
in the sun. Less than two days later, the plant looked like it was
withering, and by three days after purchase, the leaves were crispy
and clearly dead.

The soil never had a chance to dry out in the three days the plant
survived, so I doubt that could be the problem. The pot had great
drainage, so over-watering is also unlikely. The sun was rather hot
one day, but the plant was growing in full sun at a nearby nursery
when I bought it, so I can't imagine that could be the problem either.

A few branches still have some live leaves on them, but most of the
plant looks dead. Do pomegranate trees sometimes lose most of their
leaves due to transplant shock, and then come back? I doubt it, but I
just thought I'd check. Any other thoughts on what could have
happened?

For the record, I live in southern California, USA.

Chuck