Complex sentence: The species grows well in southern Britain flourishing as far north as Anglesey and all but frost-free San Francisco, but specimens brought from the southern forests of Tierra del Fuego and planted in the Faroe Islands have proven to be especially hardy.
Split into simpler sentences: The species grows well in southern Britain flourishing as far north as Anglesey. Specimens brought from the southern forests of Tierra del Fuego and planted in the Faroe Islands have proven to be especially hardy.