Yucca filamentosa Liliaceae, Agavaceae
Adam's Needle Yucca YUK-ah fil-a-men-TO-sa
- Broadleaf evergreen shrub, to about 75 cm (30 inches) high, clump forming, essentially stemless.
Leaves stiffly erect to spreading, 45 cm long, about 5 cm wide, tapering, margin has long, loose fibers but
it is in rolled near the spiny tip, dark green above. Flower are yellowish-white, 5-7 cm wide, in
narrow, long, spike-like clusters (panicles), 2 m or more in height. Fruit is oblong, about 4 by 2 cm, containing dull
black, thin seeds, 6 mm diam.
- Sun to part shade, not particular about soil, drought resistant.
- Hardy to USDA Zone 4 (Yes, it can grow in Minnesota!) Native to the southeastern US, from Maryland
to Tennessee and south to Florida and Louisiana.
- filamentosa: with treads or filament, here on the leaf margin.
- Oregon State University campus: southwest Ocean Administration buildling (near Orchard Ave. and 26th St.)