Adam's Needle Yucca
Yucca filamentosa
Liliaceae, Agavaceae · broadleaf evergreen shrub · introduced
Last updated
Adam's needle yucca is a broadleaf shrub native to the southeastern United States (Maryland to Tennessee, south to Florida and Louisiana) reaching 4 ft with rounded form. It produces yellowish-white flowers (5-7 cm) in narrow, spike-like panicles 2 m or taller.
Adam's needle yucca is hardy in zones 4a-8b and thrives in full sun to part shade with moist, adaptable soil (pH 4.5-8.5). Growth is medium-paced with low maintenance. It tolerates deer, drought, erosion, shallow rocky soil, and urban conditions. Roots contain saponins (toxic if ingested raw but destroyed by heat).
Plant Profile
Size & Form
Height
4 ft
Growth Rate
Medium
Site Requirements
Light
Full Sun to Part Shade
Soil Drainage
Moist
Soil pH
4.5-8.5
Water
Moderate
Drought Tolerance
High
Hardiness
Zones 4a–8b
Ornamental Interest
Bloom Time
June to July
Origin
the southeastern US, from Maryland to Tennessee and south
Diseases: Regionally Documented (1)
Cultivars (3)
'Golden Sword'
Common name: Golden Sword Yucca; Mature height: 3 ft
Hardy to USDA Zone 4
'Bright Edge'
'Color Guard'
Data Maturity Structured Multiple sources. Expert review underway.