Hello,

I have knock-out roses that I planted last summer. I live in NJ. It was a pretty frigid winter and I did not cover them. Their canes started to green in early spring then quickly started browning/blackening down to the rootball. The canes that are pictured are not new growth. The rootball does not feel mushy. I initially in early spring... cut some of the necrotic canes but all seem to have become necrotic now. Are these done for? I bought an insect/fungicide/feeding mix at home depot recommended by someone... and a spray fungicide because I thought maybe it was rose canker. Sorry for repeat pictures.

Any help/thoughts would be greatly, greatly appreciated. So disheartened.

Jessica

The one that shows some new growth may well recover. Wait and see. The others look dead or dying. I don't think there is any food or fungicide that would help at this point.

Ugh... that makes me so sad.

Porkpal is right - sad but it happens sometimes. I would prune back everything to down to the healthy wood on the one that is showing the new growth.

JRosie, I have seen roses grow to 6 feet in one season after being pruned to the ground. Some places here do that every year just to keep the Knock Outs from getting too large.
I think in 2 months you'll have plenty of blooms.