begonia 'Cosie'

Under glass grow in light, well-drained loam-based or loam-less potting compost in filtered light with shade from hot sun at an optimum of 19°C. Will not tolerate continuous direct sunlight or waterlogging. Water moderately when in growth and apply a balanced liquid fertiliser at alternative waterings. See begonia cultivation -houseplants for further information

Cut back over long canes to 2 or 3 buds in late spring

Propagate by stem cuttings

May be attacked by caterpillars, mealybugs, thrips and vine weevils

May be subject to powdery mildews, stem rot and rhizome rot