Adam's Needle  A WaterWise Plant

 

Yucca filamentosa
Common Name:
Adam's Needle; Bear Grass; Spanish Bayonet; Needle Palm


This native evergreen looks a little like a small palm, but is actually more closely related to the lilies. It is a short- to medium-sized ornamental "shrub." 

It grows in dry, sandy or rocky habitats and in fields, road shoulders and open woods. Tolerant of most soils except wet and is cold tolerant. 

Plants stay small, growing no more than about 3-feet-tall. In summer a tall, showy flower spike emerges from the center of the plant and displays prominently for several weeks.

A bold evergreen focal point in the landscape, used at entranceways, borders, rock gardens, island beds, or in mass for accent.

Adam's Needle is deer and rabbit tolerant. 

 

 

Culture
Light: prefers full sun, but will tolerate some shade
Moisture: average to dry soil - drought tolerant

Plant spacing: 36 to 60 inches

Performs best in full sun in moist, well-drained, deep soils, but it is extremely urban tolerant, including tolerance to poor soils, various soil pHs, soil compaction, heat, high light reflextion, extended drought, pollution, and Winter salt spray; however, it does not tolerate poor drainage or wet sites, and does not bloom in full shade.


 

Use
Use in mixed borders and natural areas. Excellent in rock gardens, and dry slopes. 

Adds architectural height.

Adam's Needle is very drought tolerant and do well in outdoor container even without supplementary irrigation. Combine with agaves, grasses, cactus and palms to create low maintenance xeroscapes of interesting textures and forms.

 

Height
2.5' tall, but the annual woody inflorescences bolt up to 8' tall

 

Spread
2.5 Feet

Color
Leaves: Medium green, glaucous, evergreen, sword-like, radiating from ground-level fibrous stems, and bending downwards with age

Flowers: creamy-white conical inflorescences range from 3' to 8' tall, blooming during July and August, and are quite showy when in flower. Individual flowers hang downwards, with petals that resemble huge teeth emerging from the corolla, and bloom from the bottom to the top of the semi-woody inflorescences.

Fruit: Capsules borne upright on the woody inflorescence, approximately 2 inches long, initially green and drying to brown.

US Nativity
Native

 

More Info

J

 

 


Characteristics & Attributes

Sun Light Requirement
    Full Sun
    Medium Sun / Average Shade
    Shade-Will not bloom in full shade
Soil Moisture Requirements
    Dry
 
   Moderate
 
  Moist
   Wet
Growth Rate

    Fast rapid growth rate for the

          annual upright inflorescences
  
  Moderate
  
  Slow growth rate of spread

Tolerance
    Alkaline Soil
 
   Acid Soil
 
   Dry Sites
 
  Wet Sites
 
  Wind
Uses
    Specimen / Ornamental
  
  Massing
  
  Border
  
  Hedge
  
  Barrier / Screen
  
  Naturalized Areas
  
  Riparian
Special Uses
    Nature Attracting
  
  Wetland
  
  Ground Cover
 
  Erosion Control / Stabilization
  
  Fragrant
  
  Showy Flowers
 
  Medicinal
Nature Attracting
    Butterfly
   
Hummingbird
   
Songbird
   
Game Birds
   
Beneficial Insects / Bees


Wildlife Benefit
   Cover
  
  Nesting
  
  Food/Birds
  
  Food/Small Animals
    Butterfly Host
    Butterfly Nectar

Additional Notes

Plant has spines or sharp edges; use extreme caution when handling.

Keep these plants looking good by cutting off dead and damaged leaves at their bases when needed and removing the faded flower spikes in late winter. 

Super easy to grow tropical-looking plant. All that is required is adequate drainage and some sun. Once you have it, it is there for keeps! Tuber-like growths in the root area ensure the plant stays, regardless of whether the top is removed or not. All parts of the plant are usable: root tubers are edible, leaves can be woven as fiber, and the flowers are delicious to eat as well as to smell.  Very attractive to hummingbirds, butterflies and bees.

Adams Needle is terrific for foundation plantings - a different look for those who are tired of the traditional evergreens.

American Indians used the root in salves and poultices for sores, skin diseases and sprains. Pounded roots were put in water to stupefy corralled fish so they would float to the surface for easy harvesting.

 

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