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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comHi I had a floribunda rose bred for my mum about 4 years ago, I have 5 left and I am struggling to know what to do to get them healthy again. I am sending pictures of my roses all with something wrong. Any advice would be welcome. Kindest regards Susan
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1 Comment To "Roses"
#1 Comment By GKH_Susan On 06/08/2022 @ 3:58 pm
The roses do not look that bad. They still have green canes and that is a big plus. There is a little canker or die-back on some of the canes. Prune out the black canker about 1/4 inch below the canker with clean pruners. Wipe the pruners down well with a disinfectant wipe before and after each pruning. This will help prevent spreading bacteria. Water the roses with some water that has both a product called Super Thrive and a root stimulator product in it. Local garden centers should have both products. Water the roses with a fresh batch of this water mix the next 4 to 5 times they need water. Also, give each rosebush about 1/3 cup of Kelp Meal. This should get them going well again and help them gain the strength to fend off bacterial and fungal infections.