Yucca flaccida 'Ivory'

RHS Plant Profile

needle palm 'Ivory'

RHS 2003

Synonyms

Yucca flaccida 'Ivory Tower'
Yucca gloriosa 'Ivory Tower'

Shrubs

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A small, stemless evergreen shrub forming a clump of dark green, sword-shaped leaves tending to droop at the tips. Bell-shaped, creamy-white flowers 6cm in length, are borne freely in erect panicles to 1.2m in height

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 10–20 years
Max Spread: 1-1.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or East–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H5
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asparagaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Potentially harmful: Skin allergen. Wear gloves and other protective equipment when handling Pets (dogs, cats): Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: 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
Name Status: Accepted

How to Grow

Cultivation

Easy to grow in sheltered, well-drained beds, where there is full sun all day. See yucca cultivation for further advice

Propagation

Propagate by bud cuttings which are treated as softwood cuttings or take stem cuttings which are treated as hardwood cuttings. Root cuttings can also be used. Division of clumps is also possible

Suggested planting locations and garden types

Architectural
City and courtyard gardens
Patio and container plants
Mediterranean climate plants

Pruning

Pruning not normally needed, but damaged leaves and spent flower spikes can be removed as necessary in the spring

Pests

May be susceptible to aphids on flower spikes and snails

Diseases

May be susceptible to leaf spot