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100+ Free FL Lawn & Ornamental Practice Questions

Florida Structural Pest Control — Lawn & Ornamental Pest Control (FDACS) practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: FL Lawn & Ornamental Exam

100

Practice Questions

OpenExamPrep

70%

Passing Score

FDACS / Ch. 482

$150

Exam Fee

FDACS (s. 482.141)

4 categories

FDACS Structural Categories

Chapter 482, F.S.

Ch. 482

Structural Pest Control Act

Florida Statutes

50%

Slow-Release N Required (urban fertilizer rule)

FDACS Rule 5E-1.003

The Florida Lawn & Ornamental Pest Control certification is one of four FDACS structural pest control operator categories under Chapter 482, Florida Statutes (the Structural Pest Control Act), distinct from the termite/WDO, general household, and fumigation categories. Candidates pass a general/core exam plus the Lawn & Ornamental category exam, each requiring a score of 70% or greater, with a $150 FDACS examination fee. Content spans turf and ornamental pest, weed, and disease identification (chinch bugs, mole crickets, sod webworms, large patch, gray leaf spot, nutsedge, dollarweed); insecticides, fungicides, and herbicides; application and calibration; Florida environmental and water-protection BMPs and the urban fertilizer rule; pesticide safety; and Florida law (Chapter 482 / Rule 5E-14). This free prep includes 100 research-based practice questions with explanations and an AI tutor.

Sample FL Lawn & Ornamental Practice Questions

Try these sample questions to test your FL Lawn & Ornamental exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which insect is the most damaging pest of St. Augustinegrass in Florida and is best controlled before populations explode in hot, dry weather?
A.Southern chinch bug
B.Bermudagrass mite
C.Two-lined spittlebug
D.Hunting billbug
Explanation: The southern chinch bug (Blissus insularis) is the most economically important insect pest of St. Augustinegrass in Florida. It feeds with piercing-sucking mouthparts, injecting toxic saliva that causes expanding yellow-to-brown patches, and damage worsens in hot, dry weather, especially along sunny edges and water-stressed areas.
2A homeowner reports irregular, raised tunnels and loose, spongy soil in a Florida bahiagrass lawn, with the worst damage at night. Which pest is most likely responsible?
A.Mole cricket
B.Sod webworm
C.Grub (white grub)
D.Fire ant
Explanation: Mole crickets (Neoscapteriscus spp.) tunnel through the upper soil at night, uprooting grass and creating raised, spongy tunnels that feel soft underfoot. They are especially damaging to bahiagrass and bermudagrass. A soapy-water flush drives them to the surface to confirm the infestation.
3Tropical sod webworm damage in a Florida lawn is most accurately described as which of the following?
A.Ragged, notched, and chewed grass blades with green frass pellets, worst in late summer
B.Yellow halos of dead grass expanding in dry, sunny areas
C.Circular straw-colored patches the size of a silver dollar
D.Loose soil tunnels uprooting the turf
Explanation: Tropical sod webworm larvae chew notches and ragged edges from grass blades, leaving small green-to-tan frass (excrement) pellets in the canopy. Damage appears as thinning, chewed turf and is most severe in late summer and early fall when caterpillar populations peak. Adults are small tan moths that flush up when the lawn is disturbed.
4Large patch (formerly brown patch), the most common turf disease of St. Augustinegrass and zoysiagrass in Florida, is favored by which conditions?
A.Cool, wet weather with temperatures below about 80 degrees F
B.Hot, dry weather above 90 degrees F
C.Drought stress on sandy soils
D.High mowing during midsummer
Explanation: Large patch is caused by Rhizoctonia solani and is most active in fall and spring when temperatures are below about 80 degrees F and the turf stays wet for extended periods. Circular yellow-to-brown patches expand with an orange leading edge. Reducing late-day irrigation and avoiding excess nitrogen in cool weather are key cultural controls.
5Gray leaf spot is a foliar disease especially damaging to which Florida turfgrass during warm, humid, rainy summer weather?
A.St. Augustinegrass
B.Bermudagrass
C.Bahiagrass
D.Centipedegrass
Explanation: Gray leaf spot (Pyricularia grisea) is most severe on St. Augustinegrass, producing small gray-to-brown leaf lesions with dark borders during hot, humid, rainy weather. Excess nitrogen and frequent irrigation worsen it. Controlling unnecessary nitrogen and leaf wetness reduces disease pressure.
6Take-all root rot, a major decline disease of Florida lawns, is best managed by which approach because the pathogen attacks the roots?
A.Reducing stress with proper mowing, irrigation, and minimal nitrogen rather than relying on foliar fungicides alone
B.Applying high rates of soluble nitrogen to push regrowth
C.Lowering the mowing height to improve airflow
D.Increasing irrigation frequency to keep roots cool
Explanation: Take-all root rot (Gaeumannomyces graminis) infects and rots the roots, stolons, and rhizomes, so the turf cannot be fixed by foliar treatments alone. Management centers on reducing stress: correct mowing height, deep but infrequent irrigation, balanced low nitrogen, improved drainage, and addressing soil pH. Healthy roots are the best defense.
7Dollarweed (pennywort) thriving in a Florida lawn is most often a symptom of which underlying condition?
A.Excessive soil moisture from overwatering or poor drainage
B.Severe drought and compacted, dry soil
C.Low soil pH below 5.0
D.Excessive shade with no irrigation
Explanation: Dollarweed (Hydrocotyle spp.) is a moisture-loving broadleaf weed whose presence usually signals overwatering, poor drainage, or excess soil moisture. The most durable control is to correct the irrigation and drainage; herbicides give only temporary relief if the wet conditions remain.
8Nutsedge (nutgrass) is difficult to control with many broadleaf herbicides because it is which type of plant?
A.A sedge (Cyperaceae) with a triangular stem, not a true grass or broadleaf
B.A true grass in the family Poaceae
C.A broadleaf weed in the family Asteraceae
D.A woody ornamental volunteer
Explanation: Nutsedge is a sedge in the family Cyperaceae, identifiable by its solid, triangular (three-sided) stem and shiny V-shaped leaves. Because it is neither a true grass nor a broadleaf, standard grass or broadleaf herbicides are ineffective; sedge-specific actives such as halosulfuron or sulfentrazone are required.
9Which scale-related pest, a piercing-sucking insect, commonly attacks Florida ornamentals such as gardenia, hibiscus, and crepe myrtle and produces honeydew that leads to sooty mold?
A.Soft scale
B.Spider mite
C.Lace bug
D.Leafminer
Explanation: Soft scales feed on plant sap and excrete sugary honeydew, which supports black sooty mold growth on leaves and stems of ornamentals like gardenia, hibiscus, and crepe myrtle. Horticultural oils and systemic insecticides are common controls; managing the scale eliminates the honeydew and the resulting sooty mold.
10Fine stippling, bronzing, and fine webbing on the undersides of ornamental leaves, worst in hot, dry conditions, indicates which pest?
A.Spider mites
B.Whiteflies
C.Aphids
D.Thrips
Explanation: Spider mites (e.g., twospotted spider mite) pierce individual cells, causing fine stippling and bronzing, and they spin fine silk webbing on leaf undersides. Populations explode in hot, dry weather. A white-paper tap test reveals the tiny moving mites; miticides or horticultural oils are used for control.

About the FL Lawn & Ornamental Practice Questions

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