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Dwarf Allamanda (Allamanda cathartica 'Hendersonii Dwarf') growing in South Florida
Grade Florida #1

Dwarf Allamanda — South Florida Plant Guide

Allamanda cathartica 'Hendersonii Dwarf'

Family: Apocynaceae · Shrub

Legal status pending editorial verification. Confirm with your county before installation.

Landscape Uses

hedgefoundation plantingbordermass plantingmedian planting

Style Tags

tropicalresortcoastalflorida landscapeformal

South Florida Growing Guide

Light Requirements

Full SunPartial Sun

Water Requirements

Low3/10

Once established (12–18 months), Dwarf Allamanda is drought-tolerant and requires minimal supplemental irrigation in South Florida.

Moderate water once established. Water 2x per week during dry season. Rainy season rainfall usually adequate. Avoid overwatering — root rot in poor drainage conditions.

Soil and Fertilization

sandylimestoneloam

Fertilizer: Balanced 8-2-12 slow-release. Micronutrients in limestone soils.

Schedule: February, May, September with balanced slow-release granular.

Salt Tolerance

Moderate (5/10) — some protection from direct spray recommended
Mature Height
24 ft
Mature Width
24 ft
Growth Rate
moderate
Water Demand
3/10
Florida Grade
Florida #1
Installed Cost
$
USDA Zones
10a, 10b, 11
FLEPPC Status
None
Iguana Rating
5/10

Where to Buy in South Florida

Find Dwarf Allamanda at South Florida nurseries — check availability and pricing at nurseries near you.

Frequently Asked Questions

How fast does Dwarf Allamanda grow in South Florida?

Dwarf Allamanda has a moderate growth rate. In South Florida's warm, humid climate it typically establishes quickly with proper watering and fertilization.

Is Dwarf Allamanda safe for pets?

Dwarf Allamanda is not safe for pets. ALL Allamanda parts toxic — vomiting, diarrhea if ingested. Advise pet owners.

How much water does Dwarf Allamanda need in South Florida?

Low water needs (3/10). Once established (12–18 months), Dwarf Allamanda is drought-tolerant and requires minimal supplemental irrigation in South Florida.

Can Dwarf Allamanda tolerate salt air in South Florida?

Dwarf Allamanda has moderate salt tolerance (5/10). It can handle some coastal exposure but should be protected from direct ocean spray.

Is Dwarf Allamanda available in Miami-Dade County?

In Miami-Dade County, Dwarf Allamanda is classified as: allowed. Allowed.

County Availability in South Florida

Miami-Dade County

Allowed

Allowed. Very common in Miami-Dade landscape programs.

✓ Coastal OK

USDA Zone 10a–11. Tropical climate, year-round warmth and humidity.

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Broward County

Allowed

Allowed. One of the most widely planted shrubs in Broward County.

✓ Coastal OK

USDA Zone 10a–10b. Subtropical with warm winters and wet/dry seasons.

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Palm Beach County

Allowed

Allowed. Common in southern Palm Beach County.

✓ Coastal OK

USDA Zone 9b–10b. Transitional zone with occasional winter cold in north.

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Collier County

Allowed

Allowed. Used in Naples and coastal Collier landscapes.

✓ Coastal OK

USDA Zone 10a–10b. Subtropical Gulf Coast with seasonal flooding.

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Monroe County

Allowed

Allowed. Moderate salt tolerance — suitable for many Keys locations.

✓ Coastal OK

USDA Zone 11. Tropical maritime, highest salt exposure of all 5 counties.

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Full ordinance references and permit requirements available to Professional subscribers. Always verify current county requirements before installation.

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Ask about Dwarf Allamanda

Get answers grounded in UF/IFAS research and South Florida landscape data.