Hello, I have 25 yr old trees put in by the builder's when they built the houses. I think they are Arizona Ash They have a fungal disease they have had for the eight years I have lived here. I put in new St.Augustine four years ago and now it is in decline. I was sick with worry that these trees would infect my grass and now it appears to have happened. Two trees on either side of mine have died and appears all trees on the block have this. Mine have been doing relatively well (better and bigger than most on the block) and leaf out quick in Spring and are very large, 30 ft tall...I think this is because I have been watering well and fertilizing the grass (albeit I have used Scott's for St.Aug which has weed killer in it so that was probably not good for them), also when we first moved in, we put planting boxes around, which we found out later was bad too...I never took them down because it did not appear to have hurt them and they were diseased anyway. NOW, I am going to remove, cut them down and get my lawn healthy again, if that is possible. My boyfriend says they look so nice and they are so big and provide such a huge amount of shade it is a shame to get rid of them and suggested I find out if there is any cure for this weird leaf curl fungal disease the trees have. This year the brown spots appear much darker than ever before, almost black..and there is a LOT of it this year...the last two years we have had severe drought and water rationing so I know they are suffering a little more than the first six years when we watered ALL the time. IS THERE A CURE FOR THIS?? Other wise I will have to remove them. Thank you so much for your time and help.
Rita Garland TX 7b-8a, I think.. : )