@GardenerSuze yes roses can last for decades but a vigorous climber is not suited to a pot long-term, they do best planted in the ground. The problem is potted roses need repotting ideally every few years and when it’s tied into wires and trained up and over a door that’s mighty tricky. You might get a good 5 years out of it if you feed, mulch and water it well. I’ve had a Gertrude Jekyll in the same very large pot for 5 years but despite the best care it is now declining. Trouble is, the pot is so so heavy I keep putting off doing anything about it!
What did you plant your rose in? Ideally it should be a good loam-based compost like John Innes No. 3 mixed with some ordinary compost for drainage and a bit of bagged manure for extra oomph. Something like multipurpose compost is unsuited to a hungry rose as the nutrients in it will be quickly exhausted.
Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
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@GardenerSuze yes roses can last for decades but a vigorous climber is not suited to a pot long-term, they do best planted in the ground. The problem is potted roses need repotting ideally every few years and when it’s tied into wires and trained up and over a door that’s mighty tricky. You might get a good 5 years out of it if you feed, mulch and water it well. I’ve had a Gertrude Jekyll in the same very large pot for 5 years but despite the best care it is now declining. Trouble is, the pot is so so heavy I keep putting off doing anything about it!