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Yucca gloriosa AGM

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© RHS 1999

Characteristics

Plant type

Shrub

Habit

Bushy

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Cream in Autumn and Summer

Foliage

Blue and Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

1.5-2.5 metres

Time to ultimate height

10-20 years


Preferred common name

Spanish dagger

Family

Asparagaceae


Yucca can be evergreen perennials, shrubs or trees, with dense or loose rosettes of stiff, sword-shaped leaves and tall panicles of bell-shaped flowers

Y. gloriosa is a medium-sized evergreen shrub with usually a single stem, topped by a cluster of spine-tipped, stiff, glaucous-green leaves to 60cm in length. Panicles to 2m in height, of nodding, bell-shaped cream flowers in late summer

Other common names

  • Adam's needle
  • Lord's candlestick
  • mound lily
  • palm lily
  • Roman candle
  • tree lily

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or East-facing
  • Sheltered or Exposed

Cultivation

Grow outdoors in any well-drained soil in full sun. Flowers may require hand-pollination to set seed. Remove spent flowering stems

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Sand, Chalk or Loam

Propagation

Propagate by seed or remove rooted suckers

Suggested planting locations and garden types

Architectural, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds or Mediterranean Climate Plants


How to care

Pruning

No pruning required

Pests

May be attacked by aphids on flower spikes

Diseases

May be subject to a leaf spot