On the CTG episode that first aired February 28, 2009, Robert Beyer explores variegated plants, including vines, agaves, citrus and perennials. 

Variegated Plants:

Buddleja davidii ‘Harlequin’
Variegated turks cap
Malvaviscus arboreus var. drummondii variegata  
Abelia x grandiflora ‘White Marvel’
Trachelospermum jasminoides ‘Variegata’
Asiatic jasmine ‘Salsa’
Dianella tasmanica ‘Variegata’  (flax lily)
variegated Calamondin orange
Elaeagnus pungens ‘Maculata’
Agave lophantha ‘Variegata’
Yucca filamentosa ‘Color Guard’
Yucca recurvifolia cv. Margaritaville