How To Take Care Of Dying Rose Plant. Cut the circling roots with a sharp knife once the plant is removed from its container. The ideal temperature for Roses is 80 degrees Fahrenheit 27 degrees Celsius with a relative humidity of 60-70.
Cut out damaged diseased or pest-infested rose branches when you spot them to limit the spread and damage. Cut the circling roots with a sharp knife once the plant is removed from its container. Use a mixture of peat moss mulch and potting soil together to add to the well-watered hole then gently place the plant into the new space.
Each spring just sprinkle the salts in a ring on the soil around the base of the plant.
Make sure it receives lots of light water and food to help nurse it back to full. If your plant stays continually wet or even damp it is prone to leaf rot. Repot in fall after the flowering season is over. This is when the plant gets ample time.