Holiday SaleToday's sale ends

10 Best Grub Killer For Vegetable Gardens - Holiday Sale

Advertising Disclosure

Last Updated - 2025/12/14

Best Choice

01
The Grub Grenade

Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root aphids, nematodes, phoretic Mites, and More! (20000+ mites/800-2000sqft)

9.1 Simple to use

8.0 worth the money
Main highlights

PLEASE NOTE!: If your local forecast is for near or below freezing, or hotter than 25C,, your order will be shipped as "Card for Pick-up" which means you will need to pick it up from the local Canada Post location.
One Application for Multiple Year or Lifetime Control
Not recommended for fast control of a severe fungus gnat infestation. Use preventatively or to cure healthy plants with a minor fungus gnat infestation. Use beneficial nematodes for a fast knockdown and follow up with these mites to give lasting control and protection. If using these mites to cure an established fungus gnat infestation, it can take up to 6 weeks to eliminate the fungus gnats.
Fresh -- Use as soon as possible! Do not store or refrigerate! Order as required. Produced From Canada's Largest Beneficial Insect and Mite Producer. No Hassle Application -- Just Open End and Sprinkle on Target Area
Controls Fungus Gnats, Pupating Thrips, Root Weevils, Root Aphids, Pathogenic Nematodes, and many more.
Show more
9.8

Exceptional

Show more
Curious about how we select the top products for you? Explore How It Works

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
02
The Environmental Factor

Environmental Factor 40 x 1 Million Beneficial Nematodes (S.Feltiae) Pot Popper Gnat & Thrip Control

Free Shipping

8.2 Simple to use

8.0 worth the money
Main highlights

Works on a variety of soil dwelling pests
Use on any container plant indoors, outdoors or in greenhouse
Exclusive non refrigerated nematode formulation
Easy to use slow release formulation, with no mixing required
6 month room temperature shelf life
Show more
9.6

Exceptional

Show more
03
Nemaglobe

Nema Globe 4 x 5 Million Beneficial Nematodes

10% Off Free Shipping

8.7 Simple to use

8.0 worth the money
Main highlights

We do not recommend using/ordering the product when temperatures are below freezing.
Solution for gnats, whitefly, thrips and on a variety of fly larvae
Easy to apply with a watering can or hose-end sprayer for outdoor uses.
Can be used on all indoor house plants, tropical plants and any time you add or change potting soil.
Bee and Beneficial safe. Fungus gnat control nematodes are microscopic worms which seek out larval stages of various fly and other diptera insects which develop in the soil
Show more
9.5

Excellent

Show more
04
Safer's

Safer's 17-2110CAN Safer's 17-2110CAN BTK Caterpillar Killer 100mL Concentrate

35% Off Free Shipping

9.7 Simple to use

9.1 worth the money
Main highlights

biological insecticide that controls caterpillars
Controls caterpillars including cabbage worm, tomato hornworm, tent caterpillars, gypsy moth, leafrollers, and other listed insects
Can be used on vegetables, fruit, trees, and ornamentals
Active Ingredient: Bacillus thuringiensis subsp. kurstaki, strain ABTS-51
Show more
9.4

Excellent

Show more
Value for Money

05
Summit

Summit Mosquito Dunks by Summit

36% Off Free Shipping
Main highlights

The only product with bti, bacteria toxic only to mosquito larvae
Non-toxic to all other wildlife , pets, fish, and humans
Lasts for 30 days and treats 100 square feet of surface water
Labeled for organic gardening by the usepa
Kills mosquitoes before they're old enough to bite
Show more
9.3

Excellent

Show more
06
Nemaglobe

Nema Globe Pot Popper Organic Indoor Fungus Gnat & Insect Control 8x1 Million Beneficial Nematodes (S.Feltiae) , white

Free Shipping

8.0 Simple to use

8.0 worth the money
Main highlights

Slowly releases nematodes into soil for longer lasting control, use on indoor, greenhouse, growroom plants as well as outdoors in containers, use every time you change potting soil
Proudly Made In Canada
Pot Popper nematodes are a fast and easy way to control fungus gnats, thrips and other pests in indoor and outdoor potted plants
NEW ARRIVE ALIVE TECHNOLOGY our Pot Poppers can be stored at room temperature until use, patent pending infusion bio-pouch technology, no need for ice packs in order to guarantee live shipments
Each popper globe contains 8 bio-pouches (treats 8 five gallon potted plants)
Show more
9.1

Excellent

Show more
07
The Environmental Factor

Nema Globe EFI 4003227 2 X 5 Million Beneficial Nematodes Fungus Gnat Control

Free Shipping

8.0 Simple to use

8.0 worth the money

8.0 Attachment
Main highlights

We do not recommend using/ordering the product when temperatures are below freezing.
Easy to apply with a watering can or hose-end sprayer for outdoor uses.
Control for gnats, whitefly, thrips and on a variety of fly larvae
Can be used on all indoor house plants, tropical plants and any time you add or change potting soil.
Bee and Beneficial safe. Fungus gnat control nematodes are microscopic worms which seek out larval stages of various fly and other diptera insects which develop in the soil
Show more
8.9

Very Good

Show more
08
Safer's

Safer's 01-5060CAN Tomato & Vegetable Insect Killer 1L Ready-to-Use Spray
Main highlights

Ready to use spray - no mixing required
Product dimensions: 27.31 inches (H) x 8.26 inches (L) x 12.07 inches (W)
One application lasts up to 10 days
1 Liter covers up to 70 square feet of plantings
Show more
8.8

Very Good

Show more
09
BIOPROTEC

BIOPROTEC 31-172 Fongicide and Bactericide for Tomato and Garden

12% Off Free Shipping
Main highlights

Made in Canada
For the control of white spots on your fruits and vegetables
Biological Phytosanitary Protection
Approved for organic farming
500 ml of concentrate
Show more
8.7

Very Good

Show more
10
PURÓLEO

PUROLEO NEEM Oil 8 Fl Oz/236 ML (Packed In Canada) Pure and Natural Neem Oil for Multipurpose Use | Neem Oil extracted from NEEM Plante Chemical free Neem Oil Spray

Free Shipping
Main highlights

[Customer Satisfaction] - PUROLEO offers a great pure and natural product which ensures customer delight.
Vocal for Local: Packaged in the Canada by a family owned and operated company. We are passionate bunch of entrepreneurs who aim to disrupt the traditional cosmetics industry based on formulations and harmful chemicals.
NEEM OIL FOR SKIN - Neem seed oil is great for dry skin and locking in moisture. Need oil is rich in Nature Goodness. Used as ingredient in many beauty products.
NEEM OIL - Pure Neem Oil is the highest quality pure Neem Oil and provides numerous beauty benefits. Neem Oil unrefined cold pressed helps to restore moisture & promote soft, supple skin.
Show more
8.6

Very Good

Show more