Agave parryi

RHS Plant Profile

Parry's agave

RHS

Cactus Succulent Conservatory Greenhouse

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A rosette-forming, evergreen, perennial succulent. The leaves are grey-blue, tipped and edged with short, dark spines. After many years, dense clusters of yellow flowers, tinged red or pink in bud, are produced on a massive, branched, tree-like stem up to 5m tall

Position

Full sun

Soil Types

Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Sand

Moisture: Well–drained
pH: Acid

Position

Full sun

Aspect: West–facing or South–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: Bushy
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: Arizona, Texas & N Mexico

How to Grow

Cultivation

Grow under glass in cactus compost in full light. Water freely in summer, giving a low-nitrogen feed three or four times. Water less in autumn and keep dry in winter. Can move outdoors for summer. See houseplant cacti and succulent cultivation for further information

Propagation

Propagate by seed, or remove offsets

Suggested planting locations and garden types

Architectural
City and courtyard gardens
Patio and container plants
Sub-tropical
Gravel garden

Pruning

No pruning required

Pests

May be susceptible to scale insects

Diseases

Generally disease-free