I purchased a jade last summer trunk is a about 1 1/2" in diameter stands about 2 feet high really a very nice plant i put it outside all summer long and it did very well but not now i have had in a west facing window all winter watered it a bout 1 a month i noticed that the leaves were getting withered and wrinkled so i watered a little more but it wasn't taking up the water so i decided to investigate i pulled it out of the pot (terra cotta) to see the roots it has only two long roots left the rest have fell off there is no rot that i can see the base of the plant looks fine and is very hard no soft spots at all how can i save this plant please someone help me...........i re potted in to a much smaller pot my soil is very gritty with lots of sand