Place fresh soil over the roots after the stems and upper roots.
Another reason for rose bushes dropping their leaves is the lack of water. If the rose bush does not have enough water to support all the foliage, it drops foliage in an effort to preserve itself.
The leaves and root system work together to keep the overall rose bush healthy. Why Are All the Leaves Falling Off My Knockout Rose?
Though the blooms are usually worth the effort, roses (Rosa spp.) have a well-earned reputation for being finicky garden residents. They. May 07, To save a dying rose bush, clear any weeds or debris from around the plant to prevent disease, and pluck off any dead leaves or flowers. Then, after the last frost, prune off any dead branches by cutting the canes at a 45 degree angle just above a growing bud so the cane heals quickly.