Re: Lilacs

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Posted by Dianne Kennedy on May 17, 2003 at 13:40:23:

In Reply to: Re: Lilacs posted by Newt on May 16, 2003 at 00:00:31:

: : Hi:

: : I have a line of lilacs along my back fence (the fence is only about 4 feet high). I don't know how old they are, but they are around 10-12 feet high and look more like trees. They are planted about 3 feet apart. The one in the corner was clearly ailing last year, but w/ a newborn baby we didn't get to do much with our new house. Now it looks like that one is barely hanging on and the one next to it is not looking too well either--few leaves except at the very top. There is a dead pine tree in the yard behind us, about 4 feet away, and there is a willow tree that hangs over parts of the yard, but they still get some sun.

: : Can I save the corner lilacs? Should I pull them? Help! Someone told me that pine bark is acidy--could that be the problem from the dead pine tree?

: : Thanks.
: : Laura


: Hi Laura,
: Congratulations on your new baby! You can probably rejuvinate your lilacs but it will take some time. Prune one third of the largest and oldest trunks to the ground each year for 3 years. Lilacs like lots of sun and a more alkaline soil. Try and prune the trees around the lilacs for more sun. Also put a cup of lime around each shrub after pruning and scratch into the soil. Also, they don't like lots of nitrogen, so if they are getting any from a nearby lawn, try and remove the grass if you are fertilizing the lawn. If that has happened, try some phosphate. See the below sites. The new sprouts that will appear from the base may take 4 to 5 years before they bloom, but don't lose patience. Here's some sites that will be helpful.

: http://www.gilmour.com/images/pruning.pdf
: http://www.thisoldhouse.com/toh/knowhow/yardandgarden/article/0,16417,333020,00.html
: http://gardencenter.southernstates.com/lawn_garden_faq/lilactree.shtml
: http://www.heardgardens.com/lilacqa.htm

: Best of luck,
: Newt


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