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Best fertilizer for Live Oaks

Posted on 9/24/25 at 3:10 pm
Posted by DukeSilver
Member since Jan 2014
2931 posts
Posted on 9/24/25 at 3:10 pm
Looking for a fertilizer to promote fast growth (for a live oak) and overall tree health.

I know a lot of people on the board have or have experience with Live Oaks.
Posted by slidingstop
Member since Jan 2025
1702 posts
Posted on 9/24/25 at 3:23 pm to
I don't think live oaks have a reputation for "fast" growth. But I'd fertilize in the spring when they start blooming/have new growth. Never actually fertilized a live oak tree though. Planted them and let them do their thing.
Posted by cgrand
HAMMOND
Member since Oct 2009
46512 posts
Posted on 9/24/25 at 4:05 pm to
general purpose granular fertilizer is fine. Personally I don’t bother, but I have decent dirt
Posted by tide06
Member since Oct 2011
20365 posts
Posted on 9/24/25 at 4:37 pm to
Some trees you plant for your kids to enjoy.

Live oaks you plant for your grandkids haha.
Posted by rodnreel
South La.
Member since Apr 2011
1512 posts
Posted on 9/24/25 at 4:47 pm to
I did triple 13 in early Feb. and just nitrogen in late June.
Posted by lsujunky
Down By The River
Member since Jun 2011
2625 posts
Posted on 9/24/25 at 4:56 pm to
My Magnolias and Cedars get this Ferti-Lome so the live oaks gets it also.
Posted by LSUDad
Still on the move
Member since May 2004
61852 posts
Posted on 9/24/25 at 11:51 pm to
I use 2 things, 13-13-13 and Ironite for all my trees. Live Oaks love the two, it will help them to grow and look great.
Posted by DukeSilver
Member since Jan 2014
2931 posts
Posted on 9/25/25 at 8:50 am to
quote:

I use 2 things, 13-13-13 and Ironite for all my trees. Live Oaks love the two, it will help them to grow and look great.


Good deal I'll look into these.

quote:

I don't think live oaks have a reputation for "fast" growth.


Right, hence why I put (for a live oak) after it.

I don't expect fertilizer to make a live oak grow "fast", but I might as well have it growing as fast as possible and promote maximum health.
Posted by LSUDad
Still on the move
Member since May 2004
61852 posts
Posted on 9/25/25 at 11:15 am to
An add on to this, a friend of mine bought about an acre of property to build a new home. It had two nice size Magnolia trees on it. Both had no flowers on them. He asked if I knew of a magnolia that didn’t bloom, i hadn’t. So I went out this the 13 and Ironite, a few months later he sent me pictures of new blooms and flowers.
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