100 Seeds Buddleja Globosa Orange Ball Tree This shrub likes to live in the full sun where it can get up to 15 feet tall and has fragrant orange balls as blossoms through the middle of the Summer. This is a larval host plant for the Western Checkerspot butterly. Some of the documented butterflies that use this plant as a nectar source are the Small Tortoiseshell, Painted Lady, Palamedes Swallowtail, Zebra Swallowtail, Spicebush Swallowtail, Astyanax Red-spotted Purple, Funereal Duskywing, Red-spotted Purple, Rare Skipper, Monarch, and White Angled-Sulphur. USDA Hardiness Zones 7 to 11.