Plumeria leaves yellowing in summer

luvpatch2July 25, 2012

Hi! I have a plumeria that is approx 10 years old .It has been healthy all summer with beautiful white blooms. Now the leaves are turning a mottled yellow/green then all yellow. The flowers are healthy. It started off slowly with only a couple of leaves a day, but now it seems to be rapidly progressing with lots of leaves doing this. The plant shouldn't be going dormant in the summer. Any suggestions to what has happened? I fertilize it with Nutra Star plumeria food. I dont' see any insects on the leaves even with a microscope. Thanks for any help!

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beachplant(9b)

have you had a lot of rain lately? I've had this problem in late summer when it rained for weeks at a time.
Tally HO!

    Bookmark   July 25, 2012 at 1:13PM
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elucas101(8)

Hi Luvpatch - by chance can you post a picture?

That could be a few things but I would start by thinking about how much water and drainage the plant has - how often are you watering? How often are you fertilizing? Too much water can make them yellow.

Insects, even with a microscope can escape your eyes.

Have you checked the root system to see if it's root bound or has any issues?

Let's talk about some of these possibilities and maybe someone else can chime in with better info as well, maybe we can figure this out!

    Bookmark   July 25, 2012 at 1:16PM
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elucas101(8)

beachplant, me too - we had a lot of rain and 2 of my older plants were getting drenched from runoff from the roof where I had put them to shield them, but they got WAY too much and their leaves are yellowing big time. I've just put them back in the sun & will let them dry out really well.

    Bookmark   July 25, 2012 at 1:17PM
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jandey1(TX8)

Are we talking the lower leaves or all over? When it rains a lot of the plants put on new leaves, especially in high summer, and shed the old lower leaves. Mine are doing the same right now, same as last summer.

    Bookmark   July 25, 2012 at 2:28PM
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tdogdad(Zone 9)

I agree with Jennifer. If your plant gets a good growing spurt due to rain, fertilizing, or more sun they will often surge forth with new leaves and dump the lower leaves. I see this over the next few months every year depending on the variety (ie. Celadine does this for me when the fog clears and the sun is longer). I have noticed that unexpected rain (in Calif) triggers this in some plants. I just pluck off the yellow leaves and let the plant continue.

    Bookmark   July 25, 2012 at 2:42PM
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the_first_kms2(8/9)

I agree if its leaves dropping from the bottom up. Especially on a mature tree like that. If its all over then i say its likely to be sucking insects like spider mites.

    Bookmark   July 25, 2012 at 3:14PM
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houstontexas123(z9a)

check the trunk and branches, make sure they are all firm.

how wet is the soil?

    Bookmark   July 25, 2012 at 7:06PM
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gardenbear1(6 Ma.)

I'm glad I came across this post, I was worried about my plumeria dropping bottom leaves,it has been putting out new leaves like crazy so I guess its doing ok and I was spending to much time worrying about it

    Bookmark   July 25, 2012 at 10:39PM
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luvpatch2

Hi Thanks everyone for your suggestions. The leaves are yellowing from the bottom up . HOuston has had a lot of rain lately so that might also be contributing. And there are new leaves on the top. I will just keep an eye on it. It probably is just dropping old leaves for new leaves. I have 8 other plumeria plants in the back yard and so far they aren't affected at all. Thanks again!

    Bookmark   July 26, 2012 at 1:59AM
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Juliesnangel

I have 3 plumeria plants, they are only about 6 months old. One is blooming :). In the past week, they seem to be turning from a dark vibrant green to a more green/yellow tint. One has top leaves yellowish with spotty green. They are about 20-24 inches high in one gallons pots. They get full Sun/heat for a minimum of 7 hours. If it rains a lot, I move back so they get no water, but still full sun and heat. Have not fertilized since they were planted. Can you tell me what's going on? And or how to upload pictures?

    Bookmark   July 27, 2014 at 8:08PM
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Juliesnangel

I have 3 plumeria plants, they are only about 6 months old. One is blooming :). In the past week, they seem to be turning from a dark vibrant green to a more green/yellow tint. One has top leaves yellowish with spotty green. They are about 20-24 inches high in one gallons pots. They get full Sun/heat for a minimum of 7 hours. If it rains a lot, I move back so they get no water, but still full sun and heat. Have not fertilized since they were planted. Can you tell me what's going on? And or how to upload pictures?

    Bookmark   July 27, 2014 at 8:10PM
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