Agave victoriae-reginae

RHS Plant Profile

royal agave

RHS 2002

Other common names

Queen Victoria century plant

Synonyms

Agave victoriae-reginae f. longifolia
Agave victoriae-reginae var. nickelsiae
Agave ferdinandi-regis
Agave (_scabra_ × _victoriae-reginae_)
Agave victoriae-reginae f. longispina

Cactus Succulent Conservatory Greenhouse

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An evergreen perennial forming a rosette of thick, straight, mid-green, spine-tipped leaves to 30cm in length, with creamy-white flowers borne in narrow, erect or arching racemes to 4m in length

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: 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): H2
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: Tufted
Potentially harmful: Skin irritant. 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: Agave can be perennial or monocarpic succulents, forming rosettes of usually rigid, fleshy, spiny-edged leaves, with funnel-shaped flowers in racemes or panicles often much taller than the rosettes
Name Status: Correct
Plant Range: Mexico

How to Grow

Cultivation

Grow under glass in a standard cactus compost, water freely in summer and apply a balanced liquid fertiliser 3-4 times during the growing season. May be bedded or stood out in borders or patios in summer. Keep almost dry in winter. Provide winter protection, or grow in a container and overwinter in a greenhouse or conservatory. See houseplant cacti and succulent cultivation for further information

Propagation

Propagate by offsets taken in spring or autumn

Suggested planting locations and garden types

Patio and container plants
Coastal
Mediterranean climate plants

Pruning

No pruning required

Pests

May be susceptible to scale insects

Diseases

Generally disease-free