Quick Answer
Green Iguanas are invasive in Florida and cause significant damage. They eat landscaping plants (especially flowers, fruits, and vegetables), dig burrows that undermine sidewalks, foundations, and seawalls, and leave droppings on docks, patios, and pools. They can grow to 5 feet long and are found in South Florida from Palm Beach County to the Florida Keys. They are not aggressive but can bite and whip their tail. Control methods include exclusion, habitat modification, and professional removal.
Florida Iguana Damage: Identification & Control Guide
Green Iguanas (Iguana iguana) are one of the most visible invasive species in South Florida. Originally from Central and South America, they have established large populations in urban and suburban areas. While they look exotic and interesting, they cause significant damage to landscaping and infrastructure.
Iguana Damage Identification
| Damage Type | Description | Season |
|---|---|---|
| Landscaping damage | Eaten flowers, fruits, vegetables, leaves | Year-round |
| Burrows | Underground tunnels (3-6 ft long) under structures | Year-round (nesting) |
| Droppings | Large, tubular, on docks, patios, pools | Year-round |
| Seawall damage | Burrows can destabilize seawalls | Year-round |
| Sidewalk/foundation damage | Burrows undermine concrete | Year-round |
| Garden damage | Eats tomatoes, beans, squash, hibiscus | Growing season |
Iguana Identification
Green Iguanas are large lizards, typically 3-5 feet long including the tail. They have a distinctive: green to brown body (adults), a large dewlap (throat flap) under the chin, a row of spines along the back and tail, and a long, powerful tail. Males are larger and more colorful than females. They are excellent climbers and are often seen in trees near water.
Control Methods
Exclusion (Most Effective)
The most effective long-term control is exclusion. Install fencing that is at least 18 inches high and extends 6 inches below ground. Use 1/4 inch hardware cloth. Seal gaps under decks, porches, and sheds. Protect individual plants with wire cages or tree wraps.
Habitat Modification
Remove vegetation that iguanas use for shelter and food. Replace preferred food plants (hibiscus, orchids, tomatoes) with less palatable plants. Fill in burrows with gravel or concrete. Remove branches that overhang roofs and fences.
Trapping and Removal
Professional trapping is the most effective removal method for large populations. Live traps baited with fruit (bananas, melons, mangoes) can be effective. In Florida, iguanas are considered invasive and can be humanely euthanized on private property. Always check local regulations.
Legal Status in Florida
Green Iguanas are classified as a Prohibited species in Florida. They cannot be kept as pets, transported, or sold. They can be humanely killed on private property with landowner permission. Reporting sightings to the FWC helps track their spread.
FAQ: Florida Iguana Damage
Do iguanas bite?
Yes, iguanas can bite, and their bite can be painful. They have sharp teeth and strong jaws. They are more likely to whip their tail as a defense, which can cause a painful welt. They are not venomous.
How do I keep iguanas out of my pool?
Iguanas are attracted to pools for water. Install a pool fence, cover the pool when not in use, and remove vegetation near the pool that iguanas use for basking.
Professional Wildlife Removal in Florida
If you need professional wildlife removal or pest control services in Florida, our local guides cover the following cities:
- Miami, FL — Wildlife & Pest Identification Guide
- Orlando, FL — Wildlife & Pest Identification Guide
- Tampa, FL — Wildlife & Pest Identification Guide
For help identifying the specific animal causing damage in your yard, see our What Animal Is Digging Holes in My Florida Yard? guide.
Sources: US Fish and Wildlife Service, USDA Wildlife Services, state wildlife agencies, CDC, academic extension services. This guide is for informational purposes only and does not constitute professional wildlife management advice.