ok having problem with one of my queen palms,they are about 12 feet tall, we went thru a hard freeze for about 10 consecutive days i covered the trunk for those 10 days, but now that warms up the one of them the green leaf fall off last night today another leaf just fell off,leafs are green and was not windy at all just two leafs fell off like they got bent down,wonder if some one out there knows anything about what could be happening to my queen palms?