West LA 9 miles to the ocean. Average elevation of 126 feet above sea level.
2005 avg low 56, low 43
2006 avg low 56, low 39
2007 avg low 55, low 34
2008 avg low 55, low 39
2009 avg low 54, low 39
No protection at all except 2007 during the arctic blast when the baby mango tree and pineapples were covered in a makeshift mini greenhouse. All the banana leaves died.
I'm growing Banana, papaya, pineapple, mango, fig, citrus
The neighbor directly behind me has a full grown mango tree and avocado trees that get no protection.