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South Florida Growing Guide
Light Requirements
Water Requirements
Water deeply 2–3 times per week during establishment, then reduce to weekly once roots are established.
Keep consistently moist. Water 2-3x per week. High humidity essential. Do NOT allow to dry out. Mist foliage regularly in low-humidity indoor environments.
Soil and Fertilization
Fertilizer: Diluted balanced liquid fertilizer (half strength) or slow-release interior plant formula.
Schedule: Monthly light balanced liquid fertilizer during growing season (February-October).
Salt Tolerance
- Mature Height
- 1–2 ft
- Mature Width
- 1–2 ft
- Growth Rate
- moderate
- Water Demand
- 4/10
- Florida Grade
- Florida #1
- Installed Cost
- $$
- USDA Zones
- 10a, 10b, 11
- FLEPPC Status
- None
- Iguana Rating
- 7/10
Where to Buy in South Florida
Find Hart's Tongue Fern at South Florida nurseries — check availability and pricing at nurseries near you.
Frequently Asked Questions
How fast does Hart's Tongue Fern grow in South Florida?
Hart's Tongue Fern has a moderate growth rate. In South Florida's warm, humid climate it typically establishes quickly with proper watering and fertilization.
Is Hart's Tongue Fern safe for pets?
Yes, Hart's Tongue Fern is considered pet-safe. Not significantly toxic. Low concern.
How much water does Hart's Tongue Fern need in South Florida?
Moderate water needs (4/10). Water deeply 2–3 times per week during establishment, then reduce to weekly once roots are established.
Can Hart's Tongue Fern tolerate salt air in South Florida?
Hart's Tongue Fern has low salt tolerance (1/10) and is not recommended near areas with significant salt air exposure.
Is Hart's Tongue Fern available in Miami-Dade County?
In Miami-Dade County, Hart's Tongue Fern is classified as: allowed. Allowed.
County Availability in South Florida
Miami-Dade County
Allowed. Interior/container plant.
USDA Zone 10a–11. Tropical climate, year-round warmth and humidity.
View County Guide →Broward County
Allowed. Interior/container plant.
USDA Zone 10a–10b. Subtropical with warm winters and wet/dry seasons.
View County Guide →Palm Beach County
Allowed. Interior/container plant.
USDA Zone 9b–10b. Transitional zone with occasional winter cold in north.
View County Guide →Collier County
Allowed. Interior/container plant.
USDA Zone 10a–10b. Subtropical Gulf Coast with seasonal flooding.
View County Guide →Monroe County
Allowed. Interior/container plant.
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 Hart's Tongue Fern
Get answers grounded in UF/IFAS research and South Florida landscape data.