PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates intense desert sunlight but benefits from partial shade during extreme summer heat
Watering
Water deeply but infrequently; allow soil to fully dry between waterings to prevent root rot
Temperature
Hardy to -10°C; tolerates high desert temperatures but avoid prolonged exposure above 38°C
Characteristics
- Leaf: Rigid, sword-shaped leaves with sharp terminal spines; blue-green to gray-green, up to 1 m long
- Flower: Creamy white, bell-shaped blooms arranged in tall, upright panicles up to 3 m high
- Stem: Thick, woody trunk with peeling brown bark as it matures
Care Guide
Watering
Water every 7–10 days with thorough soaking to reach deep roots
Fertilization
Apply diluted low-nitrogen fertilizer once every 2 months. Use slow-release formulations to support steady growth without overfeeding
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and improve soil drainagePruning
- Remove dead or yellowing leaves from the base to maintain rosette shape and reduce pest habitat
- Trim spent flower stalks after blooming to redirect energy to foliage and root growth
- Prune damaged or overcrowded leaves to improve airflow and prevent fungal infections
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; may cause vomiting, diarrhea, abdominal pain, and reduced appetite
Humans: Contains saponins; ingestion of large quantities may cause mild gastrointestinal irritation
Garden Uses & Culture
Culture: Symbolizes resilience and endurance in arid landscapes
Usage: Ornamental xeriscaping; historical use of leaf fibers for rope and textiles by Indigenous groups
