Buy Rosy's plants via mail order - https://www.hardysplants.co.uk/all-pl...
(UK Mainland only)

Full list + Zones:
Lysimachia nummularia 'Aurea' 9-2
Phyllostachys nigra 10-5
Silybum marianum 10-6
Acanthus mollis 9-5
Rubus cockburnianus 9-5
Rosa - all varieties 11-4 (editor note: except Rosy fibbed and does grow 6 apparently)
Berberis 8-4
Aucuba japonica 9-6
Farfugium japonicum 10-7