Question
My dwarf lime tree has been losing leaves (now almost bare) and its branches are turning brown...I know they are supposed to be green. I've had the tree for 4 years now and I water and fertilize regularly. Please help.
Danny
San Francisco
Answer
We had colder than normal temperatures this winter in San Francisco. There was even a period of overnight temperatures below 30 degrees. I suspect that your lime tree is showing the extent of its cold damage. The extent of the damage shows up once the temperatures warm up and the season changes. You will probably lose many of the smaller branches. Everything that has died should turn brown by the month's end. At this time, prune back to healthy wood to stimulate regrowth. Since all the leaves have fallen, do not continue to water regularly or feed. Feeding a distressed plant does more harm than good. You also do not want the soil to stay constantly wet.
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