These plants love the limelight. Use them as focal points in bed, borders, and containers. 

Yucca glauca
Tulipa 'Carnaval de Nice'
Aloe polyphylla
Verbena speciosa 'Imagination'
Lysimachia ciliata 'Firecracker'
Thymophylla tenuiloba
Lysichiton camtschatcensis
Momordica charantia
Corydalis flexuosa 'China Blue'
Heuchera 'Geisha's Fan'
Rosa 'Basye's Purple'
Corydalis ochroleuca
Verbascum bombyciferum
Carex muskingumensis ‘Oehme’
Alocasia 'Portodora'
Nicotiana glauca
Hosta 'Fortunei Albo-marginata'
Hosta 'Sum and Substance'
Carex morrowii  'Ice Dance'
Broussonetia papyrifera 'Golden Shadow'
Brunnera macrophylla 'Langtrees'
Dalea frutescens
Nandina domestica
Tilia americana
Lamium maculatum 'Anne Greenaway'