https://www.rhs.org.uk/plants/370881/berberis-thunbergii-orange-torch/details
Find help & information on Berberis thunbergii 'Orange Torch' from the RHS
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https://www.rhs.org.uk/plants/72893/berberis-thunbergii-f-atropurpurea-red-chief/details
Find help & information on Berberis thunbergii f. atropurpurea 'Red Chief' Japanese barberry 'Red Chief' Shrubs from the RHS
berberis thunbergiijapanese barberryfred