Yucca aloifolia "Magenta Magic" has evergreen stalks of deep green that deepen to purple mauve.

Yucca brevifolia, or Joshua tree, entered popular culture in a big way with the release of U2's album "The Joshua Tree" in 1987. Now you can own the real thing.

Yucca desmetiana 'Blue Boy' is a stunning structural and subtropical plant with bold shades of burgundy purple.

Yucca 'Bronze Age' is a blue-green yucca that has deep burgundy bronze colouration in fall and winter.

Yucca filamentosa 'Excalibur' forms rosettes of spiky, strap-like leaves coloured blue-green to powdery blue.

Yucca filamentosa 'Hofer's Blue' forms rosettes of spiky, strap-like leaves coloured in a bold silver-blue.

Yucca rigida is a dramatic, trunk-forming, hardy species with a crown of stiff, sword-like, powder blue leaves.

Yucca rostrata has a beautiful, spherical powder blue crowns. It will develop a trunk and form an upright, unbranched tree.

'Sapphire Skies' is a super hardy Yucca rostrata with domes of excellent baby blue foliage.