How to Prune redcurrant 'Junifer'?
Main pruning is carried out in dormant season, along with summer pruning of vigorous laterals, see redcurrant cultivation advice

redcurrant 'Junifer' · Ribes rubrum 'Junifer'
Grow in a well-drained, fertile soil with a neutral to slightly acid pH. Full sun is preferred, but partial shade is tolerated and plants can be trained against a north wall. Grow as a permanent framework as a bush, standard, cordon or fan. Keep the around the bushes free of other plants. Mulch with well rotted compost, manure or bark particularly on dry soils. Further redcurrant cultivation advice
Main pruning is carried out in dormant season, along with summer pruning of vigorous laterals, see redcurrant cultivation advice