Landscape Uses
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South Florida Growing Guide
Light Requirements
Water Requirements
Once established (12–18 months), Spineless Century Plant is drought-tolerant and requires minimal supplemental irrigation in South Florida.
Very low water once established. 1x per 2 weeks dry season maximum. ZERO supplemental irrigation during rainy season — standing water fatal. Excellent drainage is the single most critical siting requirement.
Soil and Fertilization
Fertilizer: Very light balanced slow-release fertilizer if any. This plant is naturally adapted to low-nutrient soils.
Schedule: February very light balanced fertilizer — once yearly only. Agave attenuata does not need or benefit from heavy feeding.
Salt Tolerance
- Mature Height
- 3–4 ft
- Mature Width
- 4–5 ft
- Growth Rate
- slow
- Water Demand
- 1/10
- Florida Grade
- Florida #1
- Installed Cost
- $$
- USDA Zones
- 9b, 10a, 10b, 11
- FLEPPC Status
- None
- Iguana Rating
- 6/10
Where to Buy in South Florida
Find Spineless Century Plant at South Florida nurseries — check availability and pricing at nurseries near you.
Frequently Asked Questions
How fast does Spineless Century Plant grow in South Florida?
Spineless Century Plant has a slow growth rate. In South Florida's warm, humid climate it typically establishes quickly with proper watering and fertilization.
Is Spineless Century Plant safe for pets?
Spineless Century Plant is not safe for pets. Agave sap contains saponins — GI irritation if ingested. Sharp-edged (but not sharp-tipped) leaves can cut. Standard precautionary disclosure. Not a primary toxicity concern but disclosure recommended.
How much water does Spineless Century Plant need in South Florida?
Low water needs (1/10). Once established (12–18 months), Spineless Century Plant is drought-tolerant and requires minimal supplemental irrigation in South Florida.
Can Spineless Century Plant tolerate salt air in South Florida?
Spineless Century Plant has moderate salt tolerance (6/10). It can handle some coastal exposure but should be protected from direct ocean spray.
Is Spineless Century Plant available in Miami-Dade County?
In Miami-Dade County, Spineless Century Plant is classified as: allowed. Allowed.
County Availability in South Florida
Miami-Dade County
Allowed. NOT FLEPPC.
USDA Zone 10a–11. Tropical climate, year-round warmth and humidity.
View County Guide →Broward County
Allowed. Common in Broward County contemporary landscape designs.
USDA Zone 10a–10b. Subtropical with warm winters and wet/dry seasons.
View County Guide →Palm Beach County
Allowed. Popular in Palm Beach County contemporary and Mediterranean garden designs.
USDA Zone 9b–10b. Transitional zone with occasional winter cold in north.
View County Guide →Collier County
Allowed. Common in Collier County xeriscape and contemporary landscape designs.
USDA Zone 10a–10b. Subtropical Gulf Coast with seasonal flooding.
View County Guide →Monroe County
Allowed. Limited availability in Monroe County.
USDA Zone 11. Tropical maritime, highest salt exposure of all 5 counties.
View County Guide →Full ordinance references and permit requirements available to Professional subscribers. Always verify current county requirements before installation.
Need a Spec Sheet?
Export a client-ready PDF with Florida Grade specs, county legal status, maintenance schedule, and failure risks. Available to Professional subscribers.
Ask about Spineless Century Plant
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