Thread-leaf Agave (Agave filifera ssp. filifera)

Thread-leaf Agave
Scientific Name: Agave filifera ssp. filifera Salm-Dyck
Synonym: Agave filamentosa
Family: Agavaceae

Show Larger Picture Recommended Temperature Zone:
sunset: 12-24
USDA: 8b-11

Frost Tolerance: Hardy to 17°F (-8°C)
Minimum Avg. Temperature: 50°F (10°C)
Heat Tolerance: Light shade needed in Phoenix summer
Sun Exposure: Full sun to light shade
Origin: Mexico (probably the states of Hidalgo and San Luis Potosi)
Growth Habits: Clumping dense rosettes, up to 2 feet wide (60 cm), 18 inches tall (45 cm)
Watering Needs: Water regularly in summer, keep rather dry in winter
Propagation: Seeds, offsets

Some forms are clumping while others are not. This Agave is very close to Agave schidigera with which it hybridizes readily. The name filifera means 'carrying threads'.

Thread-leaf Agave (Agave filifera ssp. filifera)

Cultural Practices:
This small agave is often used as a house plant. If this is the case, it should be kept outside in summer.

Blooming Habits:
The mature rosettes bear a 6 feet tall spike carrying 2-inch flowers, originally greenish, turning brownish as they age.

References:
Agaves, Yuccas and Related Plants: A gardener guide

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