'String Theory' bluestar (Amsonia) is a native perennial from Proven Winners that offers a fusion of textured foliage, mesmerizing blooms, and unwavering reliability. During the spring, this Bluestar blooms with clusters of small light blue flowers full of nectar that pollinators can't get enough of. Come fall, 'String Theory' Bluestar takes on a cozy fall color with finely textured pine-like needles turning an attractive golden yellow. This Bluestar variety is more compact and boasts thinner foliage than other bluestars, making it perfect for tucking in small spaces or a container! Vital Details: Size: 22" tall x 36" wide Light: Full sun (6+ hrs/day), part sun (4-6 hrs/day). Water: Average soil & moisture. Drought-tolerant once established. Hardiness: USDA zone 4-9 (Find your hardiness zone) Pollinator Value: Attracts butterflies, hummingbirds, bees, and other pollinators who use it as a host plant and nectar source. Host Plant To The Following: Snowberry Clearwing, Coral Hairstreak. Notable Features: Native, Proven Winners, deer-resistant, fall color, drought-tolerant. Plant Name: Amsonia 'String Theory'