‘Blue Arrows’ grass, hard rush Juncus inflexus 'Blue Arrows' Type:grassesPerennials Notable Traits:low-maintenancemidwest nativestriking foliagetolerates clay soil Hardiness:Zone 5 – 9 Mature Height:24-36in Light:part sun/afternoon shade (eastern exposure) Water:drought toleranttolerates poor drainage Foliage:blue Description Tolerant of drought and wet conditions, this striking grass has an upright habit. Useful for a range of projects, from containers to mixed perennial beds to rain gardens.