How to Prune tree gloxinia 'Jester'?
No pruning required

tree gloxinia 'Jester' · Kohleria 'Jester'
Start the rhizomes into growth at 21°C in early spring. Grow in houseplant compost in bright, filtered light with high humidity. Using soft water, water moderately at first, then freely when in full growth. When flower buds appear, apply a high-potash fertiliser every 2 weeks. In autumn, remove dying top growth and keep almost completely dry
No pruning required