Potted ebb tide.whats causing this?

tigerloverosesJuly 2, 2014

Is this heat related? Deficiency?

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cecily(7 VA)

How old is this rose? What have you been using as a fertilizer (type and amount/frequency)? Have you sprayed it with anything? It looks like spray burn to me.

    Bookmark   July 2, 2014 at 8:19AM
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michaelg(7a NC Mts)

Marginal browning is usually fertilizer burn / salt poisoning involving some combination of too much fertilizer, too little water, and heat. I can't see fine detail in the image, but fertilizer burn often presents as disc-shaped spots that run together. You can also get oozy-shaped areas that start off looking water-soaked and then dry crispy brown.

    Bookmark   July 2, 2014 at 9:50AM
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tigerloveroses

What should I do? Flush it with water?

    Bookmark   July 2, 2014 at 10:14AM
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michaelg(7a NC Mts)

Yes, more than five gallons, and see that it gets an inch of water per week through the summer. Reduce fertilizer when it is extremely hot. Come back in a few weeks and let us know.

    Bookmark   July 2, 2014 at 10:52AM
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tigerloveroses

Thx.will do.i spread some bone meal on top layer ,and I think that did the damage.

    Bookmark   July 3, 2014 at 1:21AM
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michaelg(7a NC Mts)

Actually bone meal is inert and has little effect on the soil or plant.

    Bookmark   July 3, 2014 at 9:19AM
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