I'm no expert (sure one will be along to help soon though) but I deadhead everything after it has flowered and it's never killed anything yet. Next to watering it's my favourite 'job', only really had experience of pots up until now though.
I'd imagine that roses have a particular 'deadheading process' though, seem like fickle buggers to me.......well mine does anyway!
Yes, as always, the names of the roses would help, they are by no means all the same, and require different treatments, but a simple rule is that if you know your rose will repeat its flowering, then just snip off the old bloom to encourage it to produce more... nothing to it really.. the rest is just 'fussy'...
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I'd imagine that roses have a particular 'deadheading process' though, seem like fickle buggers to me.......well mine does anyway!
In the sticks near Peterborough