Agave Salmiana ‘Green Giant’

A Massive Cold-Hardy Landscape Agave
About:

Common Names: Giant Agave, Pulque Agave
Botanical Name: Agave salmiana

Agave salmiana ‘Green Giant’ (Giant Agave) – This architectural succulent perfectly suits Central Texas, boasting ample size, beauty, sun-loving traits, and exceptional freeze tolerance. Ensure ample space for its growth; after all, it’s aptly named the Green Giant!

Recognizable by its thick, graceful, dark gray-green leaves with projecting spines and imposing stature, reaching heights of 5-6 feet tall and twice as wide. As it matures and blooms, a tall inflorescence emerges, towering over 20 feet and adorned with yellow flowers that attract birds and bees. This agave falls into what I term the “pup” category, producing abundant suckers or babies that can lead to a large colony if left unchecked. For optimal performance, plant it in full sun with well-draining soil.

This is a pupping agave. If you plant one and in time will get multiple. 

Appearance:

  • Agave salmiana presents as a sizable succulent featuring rosettes of thick, fleshy leaves.
  • Its grayish-green leaves are lance-shaped, characterized by serrated margins.
  • These rosettes have the potential to reach several feet in diameter.
Care:

Cold Tolerance:

  • Tolerates temperatures down to 15°F (Possibly colder).
  • Hardy in USDA zones 8-10.

Sun Requirements:

  • Prefers full sun but can tolerate partial shade.

Watering Needs:

  • Drought-tolerant once established.
  • Water sparingly, allowing the soil to dry out between waterings.
  • Essential to have well-draining soil to prevent root rot.

Common Problems and Remedies:

  1. Overwatering: Ensure well-draining soil and avoid excessive watering to prevent root rot.
  2. Pests: Although generally resistant, occasional aphids or scale insects may appear. Control infestations with insecticidal soap or neem oil.
  3. Cold Damage: Protect the plant from frost and extreme cold temperatures, particularly in regions near its cold tolerance limits.

Best Care Instructions:

  • Plant in well-draining soil.
  • Water sparingly, especially during the dormant season (winter).
  • Apply balanced, slow-release fertilizer sparingly in spring.
  • Remove dead or damaged leaves as needed.
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Details:
Mature Size:
4-8 feet (height) x 6-12 feet (width)
Type of Sun:
Full sun to partial shade
Watering Needs:
Drought-tolerant, water sparingly
Growth Rate:
Moderate
Cold Hardy:
USDA zones 8-10 (Temps down to 15)
Pupper:
Yes, Will produce many offsets overtime.

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