10 Best fungicide for lawns in Canada

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Last Updated - 2025/09/28

Best Choice

01
Doktor Doom

Doktor Doom Premium Fungicide Concentrate, 500 mL

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Main highlights

Use on fruits, vegetables, lawns, trees, shrubs, and hundreds of other plants
Use in greenhouses and outdoors.
Made in Canada
Biologically breaks down into usable microbes for the soil
500 mL concentrate makes 25 L to 100 L - excellent value!
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9.6

Exceptional

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02
Killex

ORTHO KILLEX Lawn Weed Killer Concentrate, 1L

19% Off Free Shipping

9.3 Simple to use

8.7 worth the money
Main highlights

Won’t hurt your lawn!
Ortho Killex Concentrated formula provides maximum coverage for more widespread weed infestations
Mix 6 mL per litre of water to treat 5 square metres (50 square feet).
Herbicide pour la pelouse, Wipe Out Weeds effectively!
Controls over 50 different lawn weeds including dandelions, plantains, clover, ground ivy (creeping Charlie) and ragweed
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9.5

Excellent

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03
Safer's

Safer's 3-in-1 Garden Spray 1L Ready-to-Use Spray 49-5470CAN6

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8.9 Simple to use

8.4 Easy to build

8.0 worth the money
Main highlights

Multi-purpose spray containing 3 garden solutions in 1
For use on roses, ornaments, beans, strawberries, grapes, currants, chrysanthemums, dahlias, and gooseberries
Controls powdery mildew, Black spot, rust, aphids, mealybugs, spider mites, whiteflies and many other listed pests
Active Ingredients: potassium salts of fatty acids 0.75%; sulphur 0.4%
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9.4

Excellent

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04
Safer's

Safer's Sulphur Dust Fungicide and Miticide 300g, 48-2078CAN2

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Main highlights

May be used up to 1 day before harvest
Controls powdery mildew, rust, black spot, scab, and mites
Can be used on vegetables, fruit, and flowers
Active Ingredient: Sulphur 92%
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9.3

Excellent

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Value for Money

05
Scotts

Scotts 10003 Lawn Response 9-1-1 4.8Kg

43% Off Free Shipping

8.2 Simple to use

8.0 worth the money
Main highlights

Soil enhancers help improve soil structure, use of water and nutrients
Package dimension value is 40.63cm h x 10.15cm l x 25.39cm w
Organic and slow-release fertilizers deliver deep green colour, improve seed establishment and rooting
High-performance grass seed promotes durable, thick turf that helps crowd out weeds
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9.2

Excellent

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06
ECO GARDEN PRO PROFESSIONAL

Eco Garden PRO Liquid Lawn Aerator - Liquid Soil Conditioner | Clay Soil Treatment | Loosener for Compact Soil | Improves Lawn Aeration & Drainage | Alternative to Manual Lawn Aerators - 1 Liter

13% Off Free Shipping

8.4 Simple to use

8.0 worth the money

8.0 Durability
Main highlights

WORKS FAST & EASY TO USE - Apply during Sprint, Summer, and Fall. One bottle will cover 32,000 sq.ft.
SOIL CONDITIONER - Improves overall soil and grass health by increasing root growth and fertilizer efficiency
PENETRATES DEEPER THAN MANUAL AERATOR - Works on all soil types (clay soil, sand, compacted, etc.)
INCREASES DRAINAGE - treats standing water and eliminates flooding.
GREAT ALTERNATIVE TO MANUAL LAWN AERATION - Easy to use method to replace core and mechanical aeration
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8.9

Very Good

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07
BIOPROTEC

BIOPROTEC 31-175 Fongicide and Bactericide for Fruit Trees Ready to Use

Free Shipping
Main highlights

Made in Canada
For the control of scab on apple. crabapple. pear and powdery mildew on grapevines
Biological Phytosanitary Protection
Approved for organic farming. no delay before harvest.
1 liter Sprayer Ready to Use covers 43 ft2 of foliage
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8.8

Very Good

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08
BIOPROTEC

BIOPROTEC 31-173 Fongicide and Bactericide for Tomato and Garden

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
1 liter of concentrate
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8.7

Very Good

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09
Scotts

Scotts Turf Builder Quick + Thick Grass Seed (Sun Shade Mix) - 1.2kg

14% Off Free Shipping

9.1 Simple to use

8.0 Durability

8.0 worth the money
Main highlights

Grows 2X thicker – in just 14 days!*
Grow thick, green grass that lasts – fast
Contains Creeping Red Fescue, Turf-type Perennial Ryegrass, Kentucky Bluegrass
99.99% weed-free grass seed + a special blend of time-release nutrients
1.2kg (2.6lbs) covers up to 173 m2 (1,863 ft2)
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8.5

Good

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10
Scotts

Scotts Dial N Spray Hose-End Sprayer

23% Off Free Shipping

9.5 Simple to use

9.3 Comfort

8.7 worth the money
Main highlights

The Scotts Dial N Spray Hose End Sprayer makes spraying liquid weed killers, insect killers, and fungicides easier with multiple dilution settings and three adjustable spray patterns
REMOVES THE HASSLE: There's no mixing or mess with this multi-use, hose-end sprayer, just pour the product into the jar, adjust your settings, hook up the hose, and spray away; Unused product can be returned to original container **NOTE** Sprayer only; liquids sold separately
MULTIPLE SPRAY SETTINGS: There are multiple dilution settings and 3 spray patterns to deliver precise treatments to hard-to-reach areas, across open spaces, or with a gentle shower
FOR LIQUID CONCENTRATES: Use to apply concentrated weed, bug, and pest controls
ERGONOMIC DESIGN: After attaching the hose-end connector to your hose, the ergonomically designed trigger makes it easy on your grip as you apply your product while the extended-grip handle keeps your hands dry
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8.4

Good

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