Weeping cherry and flowering peach tree dying.WHY?

I have a weeping cherry and flowering peach tree, both planted 2 years ago in a new garden. Soil is sandy/clay, added soil conditioner and some old lawn clippings at planting. They are both surrounded by lots of roses and on reticulation. Soil is moist, roses look very healthy and flower abundantly. Both trees looked stunning last year, but the peach tree only came back with 1/2 branches this spring and the cherry flowered but is now rapidly dying with leaves browning and falling, branches wilting. Roses receive regular fertilising with dynamic lifter/roses. I sprayed both trees in winter with mangoceb(?) could this have caused problems? Could it be the roses? Do these trees need acidic or alkaline soil? They are in a northern aspect, full sun. They do receive wind but the peach only came back half after winter.. yet has some new shoots growing. Ideas?? We are in South Western Australia.. and I am at a loss of what to do!

Weeping cherry and flowering peach tree dying.WHY?
Did you water them deeply before the cold weather set in? If they looked good in the fall and they died in the winter it could be dehydration. A severe root fungus could do it too. Ifyou water too much it will encourage certain root fungi.
Reply:Do the branches seem to dry up and die one at a time? We have a boring ( drilling, not ho-hum) insect here that cuts off the circulation. They can be stopped and the tree will grow back after treatment. I don%26#039;t know its name but it seems to favor fruit and nut trees.
Reply:It sounds like you may have several factors at work.


First, How deep did you plant them? If you didn%26#039;t scrape away the dirt on top of the root ball until the root flare was exposed odds are good you may have planted them too deep.


Second, Your roses may out compete them for water until they establish a good root mat outside the prepared holes you dug. A brand new root ball in full sun can dry out in less than 24 hours if the temperature is high enough. Remember, establishment can take up to 1 year per inch of trunk diameter.


Third, undecomposed plant material used as soil ammendments can cause nitrogen burn as it decomposes. It%26#039;s fine as a top dressing but try only to use fully decomposed material when ammending the soil.


Lastly you may be seeing the early stages of graft failure since those are both grafted trees. Cutting them back to the ground will not help. You won%26#039;t get the same tree you paid for when it grows back.


Short of an obvious insect infestation these are the most likely problems you may encounter.
Reply:Hi:


New trees can go into shock and so can existing ones. The weeping Cherry and Ornamental Peach do like some acid in the soil. You are entering your warm season, so I would recommend trimming back any dead or older branches. Give the trees a handfull of slow six month nitrogen base fertilizer. Make sure you keep them on a good watering schedule. Go ahead and put the fertilizer on again in middle to late fall. This should jump start your trees.





Good luck to you and if you need further help, please feel free to contact me at my website. I will link you to the simple solutions section as it does have an article on shock with new trees. Even though your trees are a couple years old, sometimes they go through the same shock. I will also link you to my site map as this page has everything that is on the website. Browse through and see if you can find any helpful tips and technique. Have a great day and I hope this has helped some.


Kimberly


http://www.landscape-solutions-for-you.c...





http://www.landscape-solutions-for-you.c...
Reply:Hi, My dad has these and IF any of his trees start to LOOK like they are dying....he right away cuts them down to the ground but leaves the root and covers it completely with mulch and a FISH type fertilizer. NO acid.


Gardenias, Azaleas need acid.



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