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Bareroot roses pot size

in Plants
Good evening and a Happy New Year!
I have received two bareroot roses (a standard Harlow Carr and a shrub Munstead Wood) for my birthday. I’m going to plant them in pots, but I’m not sure about the space they would require. What size of pot would be ideal? I’m delighted with the roses (especially since they are strongly scented) and I don’t want to make any mistakes
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Thank you.

I have received two bareroot roses (a standard Harlow Carr and a shrub Munstead Wood) for my birthday. I’m going to plant them in pots, but I’m not sure about the space they would require. What size of pot would be ideal? I’m delighted with the roses (especially since they are strongly scented) and I don’t want to make any mistakes

Thank you.

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Posts
Then you will see how wide the roots are and can choose your pot accordingly. They don't want to be forced down into too narrow a pot nor spread out in too shallow a pot. Usually, potted roses come in deep pots that are at least twice as deep as they are wide but that's a first phase pot in which they can establisha new root system with all the little root hairs and from which they will be planted out or potted on.
If yours are to stay in pots long term, I would go for 60cm wide and deep or deeper and I would use John Innes no 3 compost mixed with 10 to 25% multi purpose to aid water retention. Be aware that even the best quality planting composts only have nutrients that last 60-90 days so they will need a weekly liquid feed once growth starts and up until mid July or so plus an annual spring top dressing of slow release fertiliser for roses or tomatoes to promote healthy growth and flowers.
The deepest pots I've found are still less than 60 and have been very narrow. That's looking in all the local garden centres and home stores.
I bought the best one I could find but it's still only really large enough for a patio rose.
If anyone finds a good place that sells large pots that aren't too dear let me know!
Have a look here for UK pots -
https://www.thegardensuperstore.co.uk/pots-and-planters/decorative-planters?s=2#fb
https://www.homebase.co.uk/our-range/garden/pots-and-garden-decorations/pots-and-planters/plastic-pots-and-planters
https://www.amazon.co.uk/slp/large-plastic-garden-planters/vkot323wcsb68cu
It helps waterproof them so they don't expand and crack in frosts. If you want them to gain the patina of moss and algae as they age, just put the varnish on the inside, underneath and rim and make sure you stand them on pot feet or bricks.