Havard's Century Plant

Agave havardiana

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asparagaceae
Genus:
Agave
Species:
Agave havardiana
USDA Symbol:
AGHA

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Shrub , Subshrub
Height:
180 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
yellow, cream

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Hummingbirds:
★☆☆☆☆ Documented hummingbird visits (GBIF)

Garden & Ecology Notes

Wildlife Value:
bats, hummingbirds, bees
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Rosettes can survive low-intensity fires due to thick succulent leaves. May resprout from base or produce offsets after fire damage to main rosette.

Soil Requirements

Soil Type:
rocky, well-drained, alkaline soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky limestone slopes

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily at warm temperatures (70-80°F). Plants are monocarpic, flowering once after 15-25 years then dying.

The above propagation data sourced from Claude AI