Grand Canyon Century Plant
Agave phillipsiana
- Native to:
- United States
iNaturalist: © currenfrasch (iNaturalist #92491462)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asparagaceae
- Genus:
- Agave
- Species:
- Agave phillipsiana
- USDA Symbol:
- AGPH
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Shrub , Subshrub
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- yellow, greenish-yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bats, bees, hummingbirds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained desert soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid regions; avoid waterlogging
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily at warm temperatures (70-80°F). Plant is monocarpic, dying after flowering once after 15-25 years.
The above propagation data sourced from Claude AI