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Questions, Answers and Comments by Category
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I have about 15 rose bushes, all fragrant Hybrid tea roses. Last year was the first year I had some odd problems, and don't want to have them again this year. What are the symptoms of overwatering roses? Of underwatering? And what causes the tips of the petals of a rose to be dark? The bloom is large and very pretty except for the dark edges of the petals. It's almost as if the edges are rusty. No, the blooms are not supposed to have a different color on the edges. Even the buds have the brownish marks on them. It really looks like they're dying on the edges before they're even fully opened. Thank you for any help you can give me.
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Underwatering, the buds don't open and the leaves dry up. Too much rain, the buds go brown on the outside and the petals stick, stopping the buds from opening. Overwatering (i.e. not with the rain), I wouldn't know ...
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#2 of 5 posted
19 JUN 07 by
Wendy C
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Are these mostly light colored roses? Thrips will cause this damage. They are difficult to manage, but if you spray with a product for thrips and spray the just opening buds it should help.
On dark roses, hot weather will cause the edges to 'crisp'. That's what I call it because they get dark and very dry around the edge.
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#3 of 5 posted
19 JUN 07 by
Charlene
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Yes, it is a pink colored rose. Not pale, but a shade darker. And now the white rose petals are also 'crisp' around the edges. It has been brutally hot since May in our part of Virginia with only a few days here and there in the 70's. I've been trying to keep the roses from getting too dry by watering some every day. I figured they need it with these 90 plus degree days. But then I worried that I've overwatered! And soon the Japanese Beetles will arrive, and that's another story!
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I just wanted to say that I never wet the leaves and flowers/buds when I water - just water the base of the plant - but maybe you do the same ...
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#5 of 5 posted
20 JUN 07 by
Wendy C
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Mine are on a drip system and they still 'crisp' when the temps hover around 100 degrees
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