PlantFun
Plant Needs
Sunlight
Full sun exposure for optimal leaf color; tolerates partial shade in extreme summer heat
Watering
Drought-tolerant; water deeply only when soil is completely dry to avoid root rot
Temperature
Hardy to -10°C; withstands high desert temperatures but avoid prolonged frost exposure
Characteristics
- Leaf: Thick, rigid gray-green to blue-gray leaves with sharp terminal spines and small marginal teeth
- Flower: Tall branched stalk up to 6 m bearing yellow bell-shaped blooms
- Stem: Short compact stem hidden beneath the leaf rosette
Care Guide
Watering
Water deeply once every 2–3 weeks when soil is fully dry
Fertilization
Diluted cactus fertilizer once every 2 months. Use low-nitrogen fertilizer to promote healthy leaf growth
Eggshell powder top dressing：Crush clean, dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and improve drainagePruning
- Remove dead, damaged leaves from the rosette base to reduce pest and disease risk
- Trim the spent flowering stalk after bloom (the parent plant dies post-flowering)
- Wear thick gloves to avoid injury from sharp leaf spines during maintenance
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; saponins cause vomiting, diarrhea, lethargy, and oral irritation
Humans: Contains saponins; ingestion causes mild gastrointestinal upset; spine punctures may cause skin irritation
Garden Uses & Culture
Culture: Symbolizes endurance in desert cultures; historically used for mescal production
Usage: Ornamental xeriscaping plant; traditional fiber and food source for Indigenous peoples
