Best Treat For Grubs In Fall: 10 Products Compared

#1 · Best Overall

1. St. Gabriel Milky Spore Granules

• Form: Granules
• Weight: 15 lb

Best for: Organic multi-application control.

Why it ranks #1: Its directions explicitly include fall applications, but require spring, summer, and fall treatments for two consecutive years.

USDA-certified organic Milky Spore granules offer a non-toxic approach to grub control around residential areas and food crops. St. Gabriel Laboratories says the treatment works throughout the year regardless of weather, while the directions call for repeated seasonal applications over two years.

The ready-to-use granular formula can be applied by hand or with a spreader, giving buyers options for distributing it across a lawn. The listed directions specify applications in spring, summer, and fall for two consecutive years, or six total applications, so this is a sustained treatment plan rather than a one-and-done fall task. The organic, non-toxic description and stated suitability around food crops and residential areas may suit buyers seeking that type of product; keep it out of children’s reach.

Skip it if you want a single fall application rather than the stated six-treatment, two-year schedule.

Consider St. Gabriel Laboratories Milky Spore if organic status and use around food crops matter, and you can follow its multi-season schedule. It is a poor fit for buyers seeking a single application, since directions call for six applications over two years.

Listed on Amazon as: St. Gabriel Organics Milky Spore Granular Grub Control, 15lb

#2 · Season-Long Granules

2. BioAdvanced Season Long Grub Control

• Form: Granules
• Weight: 10 lb

Best for: Season-long lawn barrier.

Why it ranks #2: One application creates a season-long protective zone and targets grubs, though supplied directions do not identify fall as an application window.

A single application creates season-long protection against grubs and more than 40 listed lawn insects, giving homeowners broad coverage without repeated treatments. BioAdvanced’s granules target pests above and below the surface, and the product is listed for all lawn types.

The granule form supports spreading across a lawn, while the one-application approach creates a season-long protective zone against grubs before they damage turf. Its listed targets extend beyond grubs to ants, ticks, mole crickets, chinch bugs, billbugs, and other insects, making it relevant when several lawn pests are concerns. The product also claims activity above and below the surface. The supplied details do not specify how many square feet the 10-pound bag treats.

Skip it if you need a stated coverage figure for calculating bag quantity; the supplied product details do not give one.

Choose BioAdvanced if you want granules for a broad range of lawn pests and one application intended to last the season. Its 10-pound bag has no stated coverage figure here, so it is less convenient for estimating quantities by area.

Listed on Amazon as: BioAdvanced Season Long Grub Control Granules – 10 lb Bag

#3 · Longest Listed Duration

3. Atticus Asenra SRX

• Form: Liquid
• Weight: 1.28 oz

Best for: Extended turf protection.

Why it ranks #3: Its listed chlorantraniliprole formulation provides control for up to 120 days, but the supplied information gives no fall-specific application timing.

Up to 120 days of above- and below-ground control is the defining feature of Atticus Asenra SRX. Its 18.4% chlorantraniliprole formula targets white grubs before turf damage and also lists above-ground pests, offering lawn and landscape coverage in one liquid product.

The liquid formula combines control of root-feeding white grubs, including Japanese beetle and black turfgrass Ataenius, with listed above-ground pests such as billbugs and caterpillars. That mix can suit lawns facing both root and foliage threats, while protection lasting up to 120 days may reduce how often buyers need to plan treatments. The supplied details identify a 4-ounce bottle but do not provide an application rate or treated-area coverage, so consult the label when planning quantity and use.

Skip it if you need a stated treatment-area figure before choosing a bottle quantity; the supplied details provide none.

Asenra SRX fits buyers seeking extended control of white grubs plus listed above-ground pests in turf and landscapes. Its stated protection window is up to 120 days, but the available product details do not give a rate or coverage figure.

Listed on Amazon as: Atticus Asenra SRX (4oz) Chlorantraniliprole Grub/Armyworm Insecticide

#4 · Broadest Listed Coverage

4. Hi-Yield Grub Free Zone III

• Form: Granules

Best for: Broad landscape coverage.

Why it ranks #4: The 10-pound granule bag treats up to 7,000 square feet and lists several white-grub larvae, but directions emphasize spring through summer.

A 10-pound bag treats up to 7,000 square feet, making Hi-Yield Grub Free Zone III a higher-coverage granular option for lawns and landscaped areas. It lists use around flowers, ground covers, shrubs, and trees as well as turf, with control of white grubs before lawn damage.

The stated 7,000-square-foot coverage helps buyers plan a broadcast application across a larger lawn or flower-bed area. Beyond turf, the product is listed for landscaped areas containing flowers, ground covers, shrubs, and trees, and its pest list includes larvae of Japanese beetles, Oriental beetles, chafers, Asiatic garden beetles, May or June beetles, and black turfgrass Ataenius. The product can be used as a broadcast application on residential and commercial ornamentals. Its stated application period is spring through summer.

Skip it if you need a listed fall application window; Hi-Yield’s supplied directions specify spring through summer.

Hi-Yield Grub Free Zone III fits buyers treating a larger lawn plus ornamental beds, shrubs, or trees with granules. Its 7,000-square-foot coverage is clearly stated, but the listed timing is spring through summer rather than fall.

Listed on Amazon as: Hi-Yield (33058) Grub Free Zone III, 10 lbs

#5 · Largest Listed Coverage

5. Southern Ag Grubs Away

• Weight: 4.08 kg

Best for: Measured turf coverage.

Why it ranks #5: Its 9-pound bag treats up to 6,400 square feet and controls grubs and mole crickets, though the stated timing is before target-pest egg hatch.

A stated treatment area of up to 6,400 square feet makes Southern Ag’s 9-pound Grubs Away bag straightforward to plan for many lawns. Its 0.5% imidacloprid formula targets grubs and other listed insect larvae, with use also specified for turfgrasses and landscape plants.

The granular product covers up to 6,400 square feet, giving buyers a concrete area figure for estimating how much lawn one bag can treat. Its listed targets include grubs, billbugs, European crane fly, annual bluegrass weevil, and mole crickets; it also suppresses chinch bugs when applied before first-instar nymphs hatch. The application directions call for treatment before egg hatch, followed by sufficient watering. That timing is important to plan around rather than applying without regard to the target pest’s life cycle.

Skip it if you cannot time treatment before the target pest’s egg hatch, as the listed directions specify.

Southern Ag is a practical candidate for buyers who want a stated coverage area and control of several listed turf pests. Its application timing matters: directions call for treatment before egg hatch, with watering afterward.

Listed on Amazon as: Grubs Away Systemic Insect Control – 9 Pound Bag

#6

6. Hi-Yield Grub Free Zone II

• Form: Granules
• Weight: 15 lb

Best for: Lawn and flower-bed granules.

Why it ranks #6: This 15-pound granule bag covers up to 5,000 square feet and targets grubs, but its supplied application window runs from spring through summer.

Coverage of up to 5,000 square feet across lawns or flower beds gives Hi-Yield Grub Free Zone II a useful role beyond turf alone. The 15-pound granular product also lists ground covers and the bases of ornamental trees, with all-season control claims for grubs and other insects.

Granules can be applied to lawns, ground covers, flower beds, and around ornamental tree bases, so the product can serve several outdoor planting areas in one treatment plan. The stated coverage is up to 5,000 square feet, helping buyers estimate use across lawn or flower-bed space. It can be applied from spring through summer, and the product says best results come before grubs hatch. Additional directions give measured applications for roses and shrubs, supporting targeted use around those plants.

Skip it if you specifically need a product whose listed application window includes fall; Hi-Yield’s directions specify spring through summer.

Choose Hi-Yield Grub Free Zone II if one granular product for lawns and landscaped beds suits your needs, and you can treat in spring through summer. Its listed timing does not extend into fall.

Listed on Amazon as: Hi-Yield (33054) Grub Free Zone II, 15 lbs

#7

7. Bonide Grub Beater Granules

• Form: Granules
• Weight: 0.27 g

Best for: Midseason turf treatment.

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Why it ranks #7: The 6-pound bag covers up to 5,000 square feet, but its directions specifically recommend application from late May through mid-August.

Bonide Grub Beater specifies a late-May-through-mid-August application window for season-long control of nearly all turf-damaging grub species. Its 6-pound granular bag covers up to 5,000 square feet, giving lawn owners a defined area and timing for planning treatment.

The granular application covers up to 5,000 square feet and is directed to soil, a practical setup for buyers treating turf rather than individual plants. Bonide says its systemic action lasts all season, stops feeding activity immediately, and kills quickly. The stated best-results window runs from late May through mid-August, so the treatment plan is tied to that period rather than a fall application. Follow local regulations and wear appropriate protection as directed by the product information.

Skip it if you need to apply specifically in fall; Bonide lists late May through mid-August for best results.

Bonide Grub Beater suits lawn owners planning a granular, soil-applied treatment during its stated late-May-to-mid-August window. Its 5,000-square-foot coverage and season-long claim are useful, but the listed timing is not a fall application window.

Listed on Amazon as: Bonide Annual Insect Control with Systemaxx, Grub Beater Granules, 6 lbs

#8

8. Bonide Insect and Grub Control

• Form: Granules
• Weight: 6 lb

Best for: Lawn and foundation perimeter.

Why it ranks #8: Its granules target grubs and numerous listed outdoor pests, but the description limits application guidance to spring through summer.

Bonide Insect and Grub Control extends its listed use from lawns to the area around a home’s foundation, providing a broader outdoor treatment scope. The granules target grubs and a long list of insects, with the product described as fast-acting and long-lasting.

The granular formula is listed for outdoor use on lawns and around the home’s foundation, so it can address lawn pests and listed invaders near the structure without being used indoors. Targets include ants, crickets, chinch bugs, billbugs, cutworms, earwigs, fleas, roaches, grubs, sod webworms, and ticks. The product is described as an annual application controlling insects above and below ground, and its supplied description gives a spring-through-summer application period. A California Proposition 65 warning is also provided.

Skip it if you need an indoor treatment; Bonide specifies outdoor use on lawns and around foundations only.

Bonide suits buyers seeking outdoor granules for a lawn and foundation perimeter with a broad listed pest range. Keep the application outdoors, and note that the stated timing is spring through summer rather than fall.

Listed on Amazon as: Bonide (BND60360) – Insect and Grub Control, Outdoor Insecticide/Pesticide Granules (6 lb.)

#9

9. Liquid Harvest Pro Grub Control

• Form: Liquid

Best for: Turf and landscape concentrate.

Why it ranks #9: The 21.4% imidacloprid concentrate has turf-use rates, but it also targets ornamentals and warns of risks to bees and other beneficial insects.

A 21.4% imidacloprid concentrate offers several application routes: turf treatment, foliar spray, or soil application. Liquid Harvest positions Pro Grub Control for turfgrass, trees, shrubs, landscape ornamentals, fruit and nut trees, and interior plantscapes, giving it a wider setting range than a lawn-only treatment.

The liquid concentrate can be applied to turf, foliage, or soil, so the method can be matched to the listed target setting. For turfgrass, the supplied rate is up to 1.6 pints per acre, with additional label-specific rates provided for foliar and soil uses. That versatility may help buyers managing ornamentals as well as lawn areas, but the concentration and application rates call for careful measuring. Safety information says it may harm bees and other beneficial insects and advises protective clothing and gloves.

Skip it if you need an organic option or want to avoid a product that may harm bees and other beneficial insects.

Liquid Harvest suits buyers treating turf alongside trees, shrubs, or ornamentals who can measure concentrate and follow label directions. Its imidacloprid formula and bee-risk warning make it a mismatch for those prioritizing non-toxic or pollinator-conscious control.

Listed on Amazon as: Pro Grub Control – 32oz – Concentrated Imidacloprid (21.4%) Insecticide for Trees, Shrubs & Landscape Ornamentals – Controls Aphids, Japanese Beetles, Weevils, Grub Larvae & More

#10

10. St. Gabriel Milky Spore Mix

Best for: Drop-spreader Milky Spore.

Why it ranks #10: The listing describes Japanese beetle larval control and up to 7,000 square feet of coverage, but supplies no fall timing or full product specifications.

Directions specify drop-spreader application and gentle watering afterward, giving this two-pack of St. Gabriel Laboratories Milky Spore a defined lawn-treatment workflow. The product description focuses on Japanese beetles while they are larvae, and states coverage of up to 7,000 square feet.

The directions say the product protects up to 7,000 square feet of lawn, is applied with a drop spreader, and should be watered gently afterward. That gives buyers a clear distribution method and post-application step to plan around. Its description identifies Japanese beetle larvae as the target stage, aiming to treat pests before plants are eaten. The description also states it is harmless to birds, bees, beneficial insects, fish, animals, plants, and humans; the supplied details do not give a multi-year schedule.

Skip it if you need a supplied schedule for repeated seasonal treatments; these product details give application steps but no multi-year schedule.

This Milky Spore option fits buyers targeting Japanese beetle larvae across a lawn who can apply with a drop spreader and water afterward. Its stated coverage is 7,000 square feet, while the supplied details do not specify a repeat-treatment schedule.

Listed on Amazon as: St. Gabriel Laboratories Organics Milky Spore Grub Control Mix Pest Controller, 2 Pack