Prune and/or re pot blueberries?

in Fruit & veg
Hi all,
Ive had one for two years, and two were new bare root this winter, two have fruited a small amount and then burst out some long limbs.
Should I just prune them, or repot them as well?

Ive had one for two years, and two were new bare root this winter, two have fruited a small amount and then burst out some long limbs.
Should I just prune them, or repot them as well?

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"We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
I live in west central Scotland - not where that photo is...
I have two more of the same hemp bags or I could put them in the ground by a hydrangea au use ericaceous on but it’s quite shady.
They need ericaceous compost as the presence of calcium in the soil or water locks up iron and mahnesium so that it is inaccessible to their roots and they become anaemic and chlorotic. You can compensate for this by using an ericaceous feeding solution in spring and thru flowering. Adding a mulch of well rotted manure every autumn - after a good rainfall - will also help.
"We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
https://www.diy.com/departments/mali-round-terracotta-pot-h-380mm-dia-400mm/1858674_BQ.prd
I read an article that suggested 20” diameter which is what roughly 45cm? These are 40cm diameter, 38 deep.
You might be better with plastic rather than terracotta. Blueberries are thirsty plants and terracotta can dry out quickly.
Bee x
A single bee creates just one twelfth of a teaspoon of honey in her lifetime
"We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw