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There are four possibilities. One: Too much water. Two: Not enough water. Three: Problems one and two are usually traceable back to a soil that is too dense. Usually too much water will give you a lot of yellow needles and not enough water will give you brown. It is normal for old needles to brown off on the inside of the tree as the branch becomes lignified (woody) and gains girth.

It is also possible you have red spider mites. Get a piece of white paper and a magnifying glass. Put the paper under the branches and tap on the branches with the flat of your hand. If you see a lot of dust on the paper look at it with the magnifying glass and see if the dust moves around and looks red. If this happens you have spider mites. They can decimate a tree quite quickly if left untreated. Spray with an insecticide recommended for this problem.

14-Aug-2007	#5
Vance Wood bonsaiTALK ArchMaster Join Date: Sep-2002 Location: Roseville Michigan Country: USA USDA Zone: 5/6 AHS Heat Zone: ? Posts: 2,372	There are four possibilities. One: Too much water. Two: Not enough water. Three: Problems one and two are usually traceable back to a soil that is too dense. Usually too much water will give you a lot of yellow needles and not enough water will give you brown. It is normal for old needles to brown off on the inside of the tree as the branch becomes lignified (woody) and gains girth. It is also possible you have red spider mites. Get a piece of white paper and a magnifying glass. Put the paper under the branches and tap on the branches with the flat of your hand. If you see a lot of dust on the paper look at it with the magnifying glass and see if the dust moves around and looks red. If this happens you have spider mites. They can decimate a tree quite quickly if left untreated. Spray with an insecticide recommended for this problem. __________________ The only finished bonsai is a dead one; me 1992 MABA Des Moines Iowa