How to Fertilize commonName:"rex begonia 'Vesuvius'"?
Weak balanced feed every few weeks in growth season

commonName:"rex begonia 'Vesuvius'" · Begonia 'Vesuvius'
Grow under glass, in indirect light, or in frost-free environment. Avoid wetting the leaves. For further information see begonias: houseplants
Weak balanced feed every few weeks in growth season