grape 'Schiava Grossa'

Although the plants are hardy this cultivar needs to be grown in a greenhouse or conservatory to produce a decent crop. The vines require regular attention including feeding and watering, pruning and thinning, pest and disease control. See indoor grape cultivation for details

The main pruning time is early winter (Nov-Dec) but pinching and thinning are needed throughout the growing season. See Grape pruning

Propagate by hardwood cuttings or grafting onto phylloxera-resistant rootstocks

May suffer from glasshouse red spider mite, scale insects, mealybugs and wasps

May be affected by powdery mildews and grey moulds