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Old 06-24-2012, 11:15 AM
Duekster Duekster is offline
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Join Date: Jan 2007
Location: DFW, TX
Posts: 7,971
Quote:
Originally Posted by kirk1701 View Post
Duekster I have a question
I have about 6" of pine bark in mine, freshened up a couple times each sping since 2010 when I put in the landscaping now.

I didn't remove any and I took up some of the weed block around my big oak tree's because of fear water wasn't getting to them.

If not lack of water then could the 6" of bark be smothering the roots?

What Pre-em you recomend because more of the weed block is coming up and thats the route I'm going next season.
There are concerns about putting a lot of material on tree roots. Some oaks are more sensitive than others. I am more concerned about the root flare and trunk of the tree being covered. Have 0" next to the truck and taper out up to 5" on newly planted trees. 0" at the to 3" around the tree is you must. I just keep the grass off my trunk and keep a bare ring 24" or less around the trunk of my trees.





I do not use pine bark mulch. IMHO, they do not have the break down well, ammend the soil. Native Hardwood mulch is best. Cedar is second best. I also like Bois D' Arc Mulch very much as it is the hardest native tree around here and considered a scrub tree.


I do not use a Pre-Em on Beds for the most part. If it is a new bed with large shrubs it can be helpful the first season or two.
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