Yucca filamentosa Excalibur (Adams Needle)
Yucca filamentosa ‘Excalibur’ (Adam’s Needle) is a very ornamental, broadleaf evergreen shrub featuring a basal rosette of rigid, sword-shaped, spine-tipped, blue-green to glaucous gray-green leaves. The leaves are edged with an extraordinary number of curly white filaments.
Yucca filamentosa 'Excalibur' (Adam's Needle) is a very ornamental, broadleaf evergreen shrub featuring a basal rosette of rigid, sword-shaped, spine-tipped, blue-green to glaucous gray-green leaves. The leaves are edged with an extraordinary number of curly white filaments. They are topped in early to midsummer with a dramatic flowering stalk reaching 5 ft. (150 cm) and bearing panicles of nodding bell-shaped creamy white flowers, about 2.5 in. long (6 cm). Adding architectural height to the garden, this tidy and compact Yucca is great for borders, rock gardens, containers and small gardens.
- Leaves form a foliage clump to 18-24 in. tall (45-60 cm) and 36-42 in. wide (90-105 cm).
- Easily grown in light, dry to medium moisture, well-drained soils in full sun. Tolerates poor, sandy soils and even a few hours of shade. Drought and salt tolerant.
- Great for beds and borders, city gardens, coastal gardens, rock gardens or Mediterranean gardens.
- Virtually pest and disease free, but watch for aphids or potential leaf spot. Deer and rabbit resistant
- Propagate by removing rooted suckers or take root cuttings in winter.
- Remove spent flowering stems.
- Toxic to dogs, toxic to cats, toxic to horses.
- Yucca filamentosa is native to southeastern North America.
Requirements
| Hardiness | 5 – 10 |
|---|---|
| Heat Zones | 5 – 11 |
| Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Cactus – Succulents, Shrubs |
| Plant Family | Yucca |
| Exposure | Full Sun |
| Season of Interest | Spring (Early,Mid,Late)Summer (Early,Mid,Late)FallWinter |
| Height | 1' – 5' (30cm – 150cm) |
| Spread | 3' – 4' (90cm – 120cm) |
| Spacing | 40″ – 48″ (100cm – 120cm) |
| Water Needs | Low |
| Maintenance | Low |
| Soil Type | Chalk, Loam, Sand |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Well-Drained |
| Characteristics | Showy, Evergreen |
| Tolerance | Deer, Drought, Rabbit, Dry Soil, Rocky Soil, Salt |
| Garden Uses | Beds and Borders, Patio and Containers, Small Gardens |
| Garden Styles | City and Courtyard, Coastal Garden, Gravel and Rock Garden, Mediterranean Garden |