ROSES - Knowledgebase Question

CENTEREACH, Ne
Question by SHEAMAN12
May 1, 2009
I HAVE A FEW ROSE BUSHES HOW DO I KEEP SPOTS AND BUGS OFF THEM AND KEEP THEM HEALTHY? AND THE FLOWER ITSELF DOES NOT SEEM TO LAST VERY LONG IS THIS NORMAL? I SEEM TO FIND MYSELF OFTEN TRIMMING THE FLOWERY PART OFF TO MAKE ROOM FOR A NEW ONE AND FINALLY IF THERE IS ANY TREATMENTS I NEED TO DO HOW OFTEN DO I? THX....JOE


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Answer from NGA
May 1, 2009

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Black spot fungus of rose is everywhere. If you have roses, you will have some black spot. There are varieties that are resistant and seldom get black spot. When they do it is usually not a significant problem and seldom if ever requires a spray. Cultural conditions can make black spot a rampant problem or a minor nuisance. Overcrowding, poor air circulation, and frequent wetting of the foliage all predispose plants to black spot infection. Most varieties however, must be sprayed on a regular basis to prevent black spot infections from becoming severe. In severe cases it can even cause defoliation of the plant. There are many fungicide products labeled for black spot on roses. Check with your local Home Depot garden center for available options. Bugs are not always destructive and the control you use depends upon the bug itself. How about just handpicking the pests? As for how long your roses last, for some shrubs it is only a few days to a week. Just prune them off when they start to look bad so you can enjoy the fresh new flowers as they unfold. Thanks for the question. Please stop in again soon!

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