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May 24, 2020 9:21 AM CST
(Zone 7a)
Hi, I live in NYC and I have a floribunda rose in a large container on my balcony. I got it last spring and it survived the NYC winter with plenty of new growth this spring. It was doing so well and already has tons of flower buds on it. I applied Bayer 3-1 fertilizer earlier this year. There was a late Spring frost but the rose seemed fine after that.

However about a month ago I noticed the leaves ragged and turning yellow/brown on the edge. Bits of the leaves were also missing, but it did not look like insects bites, more like an animal tearing the edges off. More and more leaves turned ragged and started falling off, but the flower buds continued to grow and look healthy. I'm attaching 2 pictures where you can see the leaves missing the top part.

It's on a balcony that gets lots of afternoon sun and wind as I live in a high rise. There're no beetles/insects around as the floor is high. What is happening to my rose? I water it every week thoroughly. Am I overwatering, underwatering? Is it fertilizer burn?

So far, it doesn't seem that it's affecting the flower buds, but I'm afraid that eventually it will if it's a disease. Can someone help? Thanks!

Tina.


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May 24, 2020 5:18 PM CST
Coastal Southern California (Zone 13a)
Have you had a lot of wind? Those leaves look sort of like they've been torn.
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May 24, 2020 7:25 PM CST
Name: seil
St Clair Shores, MI (Zone 6a)
Garden Photography Region: Michigan Roses
Those leaves may have been frost bitten. It doesn't always show up right away. The rest of the plant looks fine. You can remove the damaged leaves if you wish but anything that is still green is still feeding the rose. And new ones should grow grow in soon anyway.
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May 25, 2020 2:33 PM CST
(Zone 7a)
It's on a high floor balcony near the railing, so yes it is exposed to high wind. And after the first batch of growth, there was a pretty bad spring frost, which did damage my jasmine but luckily that plant is recovering. I through roses would be more winter hardy but looks like those leaves were damaged as well. Those damaged leaves are now falling off the branches. I do see some new growth that look fine. Hopefully with the weather warming up the plant will start recovering.

Thanks everyone!
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