Toumey's Century Plant
Agave toumeyana
- Native to:
- United States
Marie-Lan Nguyen
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asparagaceae
- Genus:
- Agave
- Species:
- Agave toumeyana
- USDA Symbol:
- AGTO
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Shrub , Subshrub
- Height:
- 60 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)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Poling's Giant Skipper (Agathymus polingi)
Reported Fauna Sightings
Hummingbirds: Anna's Hummingbird (Calypte anna)
Garden & Ecology Notes
- Wildlife Value:
- bees, hummingbirds, bats
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Rosettes may be killed by fire but can resprout from underground rhizomes. Plants often flower prolifically after fire disturbance.
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid regions, prefers rocky slopes
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–30 days
- Notes:
- Seeds germinate readily at warm temperatures (70-80°F). Light enhances germination but is not strictly required.
The above propagation data sourced from Claude AI