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Cactus SucculentConservatory GreenhouseSynonym

Agave filifera subsp. shidigera

An evergreen succulent, forming a rosette of linear, grey-green or sometimes yellow-green leaves, edged with coarse white hairs and tipped with brown spines that fade to grey. Leaves are relatively thin and flexible, and often patterned with bud imprints. Mature plants may produce a tall spike of yellow-green or sometimes purple flowers, after which the central rosette dies off

Synonyms

Agave filifera subsp. shidigera

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Plant nurseries
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Ultimate height

0.5–1 metres

Time to ultimate height

10–20 years

Ultimate spread

0.5–1 metres

Loam

Sand

Moisture

Well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–facing

Exposure

Exposed or Sheltered

Drought resistance

Yes

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)

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: Mexico

How to grow

Cultivation

Grow under glass in cactus compost, water freely when in growth, but keep almost dry over winter. Apply a dilute, liquid fertiliser 3 or 4 times during the growing season. Can be moved to a sunny spot outdoors in summer, but needs to overwinter in a greenhouse or conservatory. In very hot summers, may benefit from light afternoon shade to prevent scorching. See houseplant cacti and succulent cultivation for more advice

Propagation

Propagate by seed, sown at 21°C in early spring

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Gravel garden
Patio and container plants
Sub-tropical
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to scale insects

Diseases

Generally disease-free

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