Landscape Uses
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South Florida Growing Guide
Light Requirements
Water Requirements
Once established (12–18 months), Spanish Bayonet is drought-tolerant and requires minimal supplemental irrigation in South Florida.
Virtually no supplemental irrigation needed once established. Water 1-2x per week for first 3-6 months of establishment only. After establishment, rainwater is entirely sufficient in South Florida. Overwatering is a primary failure cause — excellent drainage is essential.
Soil and Fertilization
Fertilizer: Light balanced slow-release fertilizer — minimal need
Schedule: Generally not required — coastal sandy soil native. Light slow-release fertilizer in February if deficiency observed.
Salt Tolerance
Suitable for coastal planting across all 5 South Florida counties.
- Mature Height
- 6–15 ft
- Mature Width
- 3–6 ft
- Growth Rate
- slow
- Water Demand
- 1/10
- Florida Grade
- Florida
- Installed Cost
- $
- USDA Zones
- 7b, 8a, 8b, 9a, 9b, 10a, 10b, 11
- FLEPPC Status
- None
- Iguana Rating
- 9/10
Where to Buy in South Florida
Find Spanish Bayonet at South Florida nurseries — check availability and pricing at nurseries near you.
Frequently Asked Questions
How fast does Spanish Bayonet grow in South Florida?
Spanish Bayonet has a slow growth rate. In South Florida's warm, humid climate it typically establishes quickly with proper watering and fertilization.
Is Spanish Bayonet safe for pets?
Spanish Bayonet is not safe for pets. Spine hazard — terminal spines cause puncture injuries. Saponins in leaves are toxic to dogs and cats if ingested — causes vomiting and GI distress. Not suitable for pet-accessible areas.
How much water does Spanish Bayonet need in South Florida?
Low water needs (1/10). Once established (12–18 months), Spanish Bayonet is drought-tolerant and requires minimal supplemental irrigation in South Florida.
Can Spanish Bayonet tolerate salt air in South Florida?
Spanish Bayonet has high salt tolerance (9/10) and is well-suited for coastal South Florida, including areas with salt air in Miami-Dade, Broward, Palm Beach, Collier, and Monroe counties.
Is Spanish Bayonet available in Miami-Dade County?
In Miami-Dade County, Spanish Bayonet is classified as: allowed. Florida native — allowed and protected from HOA prohibition under Florida Statute 720.
County Availability in South Florida
Miami-Dade County
Florida native — allowed and protected from HOA prohibition under Florida Statute 720.3075.
✓ Coastal OK
USDA Zone 10a–11. Tropical climate, year-round warmth and humidity.
View County Guide →Broward County
Florida native — allowed. Appropriate for coastal buffer plantings with no pedestrian access.
✓ Coastal OK
USDA Zone 10a–10b. Subtropical with warm winters and wet/dry seasons.
View County Guide →Palm Beach County
Florida native — allowed. Appropriate for coastal buffer zones with no foot traffic.
✓ Coastal OK
USDA Zone 9b–10b. Transitional zone with occasional winter cold in north.
View County Guide →Collier County
Florida native — allowed. Appropriate for Collier coastal buffer and xeriscape applications with no pedestrian access.
✓ Coastal OK
USDA Zone 10a–10b. Subtropical Gulf Coast with seasonal flooding.
View County Guide →Monroe County
Florida native — allowed. Excellent salt and wind performance for Keys coastal properties.
✓ Coastal OK
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.
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Ask about Spanish Bayonet
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