Complex sentence: Many gardening societies have specialist variegated plants groups, such as the Hardy Plant Society's Variegated Plant Special Interest Group in the UK, and several gardening books which deal exlusively with variegated plants are available.
Split into simpler sentences: Many gardening societies have specialist variegated plants groups, such as the Hardy Plant Society's Variegated Plant Special Interest Group in the UK. Several gardening books which deal exlusively with variegated plants are available.