Overview
Yucca filamentosa 'Excalibur' is a clump-forming, columnar upright trees in the genus Yucca, part of the Asparagaceae family, with evergreen foliage. It typically grows around 3 metres tall. Yucca filamentosa 'Excalibur' grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include city and courtyard gardens, coastal, cottage and informal garden, gravel garden, houseplants, mediterranean climate plants, patio and container plants and conservatory and greenhouse.
About
Yucca filamentosa, Adam's needle and thread, is a species of flowering plant in the family Asparagaceae native to the southeastern United States. Growing to 3 metres tall, it is an evergreen shrub valued in horticulture.
About the genus
Yucca is both the scientific name and common name for a genus native to North America from Panama to southern Canada. It contains 50 accepted species. In addition to yucca, they are also known as Adam's needle or Spanish-bayonet.
Wikipedia contributors, "Yucca", CC BY-SA 4.0 — Yucca
Growing conditions
Best soil and position for Yucca
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Yucca filamentosa 'Excalibur' size, habit and characteristics
- Plant type
- Trees
- Habit
- Clump-forming, Columnar upright
- Foliage
- Evergreen
- Height
- 3 metres
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Houseplants, Mediterranean climate plants, Patio and container plants, Conservatory and greenhouse
Care notes
Pruning and caring for Yucca filamentosa 'Excalibur'
- Propagation
- Seed, Offsets
- Pest resistance
- Aphids, Snails
- Disease resistance
- Leaf spot
Frequently asked questions
Where is the best place to plant Yucca filamentosa 'Excalibur'?
Yucca filamentosa 'Excalibur' prefers full sun. It suits exposed and sheltered positions.
What soil does Yucca filamentosa 'Excalibur' need?
Yucca filamentosa 'Excalibur' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
How big does Yucca filamentosa 'Excalibur' grow?
Yucca filamentosa 'Excalibur' reaches a height of 3 metres.
Is Yucca filamentosa 'Excalibur' hardy in the UK?
Yucca filamentosa 'Excalibur' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Yucca filamentosa 'Excalibur'?
Seed, Offsets.
From the Fenn Plants journal
- Notes on DaffodilsWhen to plant daffodil bulbs in the UK, how deep, how to naturalise them in grass, why daffodils stop flowering (“blindness”), and why you should never mix cut daffodils with other flowers.
- Keeping Your NerveHow to garden through a heatwave — the best time to water, why deep soaks beat daily sprinkles, caring for pots and vulnerable plants, and why you can let the lawn go brown.
- Made to LastHow to clean, store and protect garden pots and planters — the frost-proof vs frost-resistant difference, winter care for terracotta and ceramic, and how to reuse a broken pot.
More in the Yucca genus
- Yucca elatasoap tree
- Yucca filamentosaneedle palm
- Yucca filamentosa 'Elegantissima'Adam's Needle
- Yucca filamentosa 'Rosenglocke'Adam's Needle
- Yucca filamentosa 'Schneefichte'Adam's needle 'Schneefichte'
- Yucca filamentosa 'Variegata'Variegated Adam's Needle
- Yucca filamentosa var. concavaneedle palm
- Yucca flaccidaAdam's needle
