Alphabetical Plant Listing

Yucca filamentosa 'Excalibur' (Adam's Needle)

Adam's Needle 'Excalibur', Carolina Silk Grass 'Excalibur', Needle Palm 'Excalibur', Our Lord's Candle 'Excalibur', Spoonleaf Yucca 'Excalibur', Thready Adam's Needle 'Excalibur', Spanish Bayonet 'Excalibur'


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

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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)
Fall
Winter
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

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Walters Gardens Inc

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


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)
Fall
Winter
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

Great Plant Combination Ideas with Yucca

Guides with Yucca

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Yucca filamentosa 'Excalibur' (Adam's Needle)

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