Bavarian artist Nils-Udo is known for his site-specific installations built in situ with local, natural materials—leaves, berries, hay, bamboo, flowers. His signature form is the Nest, which he has installed in locations around the world.
A glowing combination of blue-green and butter-yellow, with a tantalizing blush of pink on older plants and in cool weather. Bright Star (officially named Yucca gloriosa ‘Walbristar’) forms a spiky crown of flexible swordlike leaves. Slow growing, it eventually forms a short woody trunk similar to some agaves. Perennial. Zones 7 to 10. heronswood.com, plantdelights.com