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What is happening to my magnolia tree?
Posted on 4/24/25 at 9:25 pm
Posted on 4/24/25 at 9:25 pm
I have a 25 yr. old southern magnolia in my backyard that has recently been losing all of its leaves and a good portion of them are yellow. Any ideas as to why? I broke the tip of a small branch today and it's still green inside, will the tree come back?


Posted on 4/24/25 at 9:49 pm to Cage Fighter Trainee
Maybe over watering?
Can turn leaves yellow and they lose their healthy look.
Can turn leaves yellow and they lose their healthy look.
Posted on 4/24/25 at 10:04 pm to CatfishJohn
I'm hoping that's it. I've got some new sod and runners near the base of the tree that I've been watering a good bit. I didn't think I was watering it that much but I'll back off for now and see what happens. Thanks
Posted on 4/24/25 at 10:22 pm to Cage Fighter Trainee
Throw a lot of hollytone around the drip line just to make sure it has nutrients
Posted on 4/24/25 at 10:42 pm to CatfishJohn
I'll try that, thanks for the suggestion
Posted on 4/24/25 at 11:52 pm to Cage Fighter Trainee
A lot of magnolia trees in Mississippi are still dying from the drought a couple of years ago. If I had that tree, I would probably call a professional, like a county agent from the extension office.
Posted on 4/25/25 at 4:18 am to Cage Fighter Trainee
The ones around here are doing the samething, some are losing more leaves than others. I was told by a tree guy that it was because they have been taking a beating with the drought and then last year with the hurricane and snow. All mine are blooming and have new shoots on the end of the branches but look bare. I have a heavy clay yard which magnolias do not like. So I took a soil sample to SiteOne and I’m waiting on the results to see what we can do to help them out. I know they like an acidic soil so CatfishJohn is on the right track with the Hollytone fertilizer.
Posted on 4/25/25 at 8:10 am to Cage Fighter Trainee
I'm no tree expert, but the general rule of thumb for plants is: if the furtherest out leaves are yellowing = lack of water. If the the near ones are yellowing, too much water.
I guess if they're spread evenly, you'll need more expertise.
I guess if they're spread evenly, you'll need more expertise.
This post was edited on 4/25/25 at 8:11 am
Posted on 4/25/25 at 8:29 am to Cage Fighter Trainee
Check for scale. Two of my little gems were infested and I had to treat with imidocloprid to get them back to health.
Posted on 4/25/25 at 9:42 am to Spankum
I emailed the pics to the local extension office. I'll update when/if he replies.
I'm going to pick up some Hollytone today
I'm going to pick up some Hollytone today
Posted on 4/25/25 at 9:45 am to sosaysmorvant
I didn't see any anything obvious on the tree trunk or branches that would be a cause for concern. I Googled pictures of scale and didn't see that on the tree. Glad I can rule that out, thanks.
Posted on 4/25/25 at 11:36 am to Cage Fighter Trainee
With an established magnolia it's really hard to over fertilize with hollytone. It's slow release and organic. I have 6 established magnolias and use three bags per tree twice a year. So 36 bags
They respond really well to it after brutal Tennessee winters with our hard freezes which turns into boggy soil after the melt and early Spring/late winter rains.
It can hurt the grass along the drip line a bit, but I don't have much because of the trees themselves.

It can hurt the grass along the drip line a bit, but I don't have much because of the trees themselves.
Posted on 4/25/25 at 7:15 pm to Cage Fighter Trainee
I wonder if it could be the new sod if you laid sod over the root that are running on top of the ground is it chocking them. Kind of acting like when adding dirt over the root system. If you add to much it could have adverse effect.
Posted on 4/25/25 at 7:39 pm to Cage Fighter Trainee
I had 3 magnolia trees in my yard die last summer from the drought. After that, I started noticing the amount of dead magnolias around Baton Rouge.
Best of luck to you.
Best of luck to you.
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