I am very new to gardening, I have a lovely climbing rose I bought a couple of weeks ago that I am worried I have permanently damaged. I found some aphids and thought I'd treat this using a fairy liquid/water mixture. I have now realised this mixture was too concentrated and it has burnt the shoots on my rose. They have turned very dark and appear 'crispy'. Is there anything I can do? Should I cut off all the shoots and hope that they grow back? Any advice would be much appreciated. Thanks.