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South Florida Growing Guide
Light Requirements
Water Requirements
Once established (12–18 months), Sea Hibiscus is drought-tolerant and requires minimal supplemental irrigation in South Florida.
Moderate water during establishment. Once established, very drought tolerant for coastal conditions. 2x per week dry season.
Soil and Fertilization
Fertilizer: Balanced tree fertilizer 8-2-12 or palm special with micronutrients.
Schedule: February and September with balanced palm/tree fertilizer.
Salt Tolerance
Suitable for coastal planting across all 5 South Florida counties.
- Mature Height
- 15–30 ft
- Mature Width
- 15–25 ft
- Growth Rate
- fast
- Water Demand
- 3/10
- Florida Grade
- Florida #1
- Installed Cost
- $$$
- USDA Zones
- 10a, 10b, 11
- FLEPPC Status
- None
- Iguana Rating
- 6/10
Where to Buy in South Florida
Find Sea Hibiscus at South Florida nurseries — check availability and pricing at nurseries near you.
Frequently Asked Questions
How fast does Sea Hibiscus grow in South Florida?
Sea Hibiscus has a fast growth rate. In South Florida's warm, humid climate it typically establishes quickly with proper watering and fertilization.
Is Sea Hibiscus safe for pets?
Yes, Sea Hibiscus is considered pet-safe.
How much water does Sea Hibiscus need in South Florida?
Low water needs (3/10). Once established (12–18 months), Sea Hibiscus is drought-tolerant and requires minimal supplemental irrigation in South Florida.
Can Sea Hibiscus tolerate salt air in South Florida?
Sea Hibiscus has high salt tolerance (8/10) and is well-suited for coastal South Florida, including areas with salt air in Miami-Dade, Broward, Palm Beach, Collier, and Monroe counties.
Is Sea Hibiscus available in Miami-Dade County?
In Miami-Dade County, Sea Hibiscus is classified as: allowed. Allowed.
County Availability in South Florida
Miami-Dade County
Allowed. Non-restricted.
✓ Coastal OK
USDA Zone 10a–11. Tropical climate, year-round warmth and humidity.
View County Guide →Broward County
Allowed. Good coastal Broward County tree option.
✓ Coastal OK
USDA Zone 10a–10b. Subtropical with warm winters and wet/dry seasons.
View County Guide →Palm Beach County
Allowed but limited by cold sensitivity in northern Palm Beach County..
✓ Coastal OK
USDA Zone 9b–10b. Transitional zone with occasional winter cold in north.
View County Guide →Collier County
Allowed. Good coastal Collier County option.
✓ Coastal OK
USDA Zone 10a–10b. Subtropical Gulf Coast with seasonal flooding.
View County Guide →Monroe County
Allowed. Naturally occurring in Keys coastal areas.
✓ 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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Export a client-ready PDF with Florida Grade specs, county legal status, maintenance schedule, and failure risks. Available to Professional subscribers.
Ask about Sea Hibiscus
Get answers grounded in UF/IFAS research and South Florida landscape data.