Economy or Premium SelectionEconomy - rooted into its pot but a further season before moving up a pot size.
Premium - more growth in its pot. More mature than Economy
The Chinese wisteria, though a stunningly beautiful sight when in full flower it usually takes years to start to flower, instead making rampant growth and covering several metres in a season. We use this as the rootstock to graft the many different forms and cultivars that we grow.