10 Best systemic fungicides of 2025

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Best Choice

1

VivaGrow

Reliant Systemic Fungicide (Agri-Fos/Garden Phos) 1 Gallon
9.7

Exceptional

Our Rating
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Value for Money

2

Monterey

Monterey Garden Phos Systemic Fungicide for Root Rot, Downy Mildew, Fire Blight, Sudden Oak Death, Phytopthora & Pythium, 15 oz Apply with Sprayer
9.6

Exceptional

Our Rating
3

Bonide
Bonide Infuse Systemic Disease Control, 16 oz Concentrated Solution for Plant Disease Control, Long Lasting & Waterproof
Main highlights

Key Features
Broad spectrum, systemic disease control for turf and ornamentals. Effective on over 30 diseases, lasting up to 4 weeks per application.

Ideal Use Cases
Perfect for roses, flowers, lawns, trees, and shrubs suffering from rust, blight, powdery mildew, scab leaf spot, and other common diseases.

Customer Reviews Highlight
Most praised for its long-lasting effectiveness and ease of use, with noticeable improvements in plant health and appearance.
9.5

Excellent

Our Rating

9.7
Simple to use

9.1
Precision

8.7
worth the money
4

ferti-lome
Fertilome (11378) Liquid Systemic Fungicide II (32 oz)
Main highlights

Comprehensive Disease Control
Controls Take All Patch, Brown Patch, Dollar Spot, Leaf Spot, and more for healthier plants.

Ideal for Lawns and Gardens
Perfect for roses, flowers, lawns, and trees; apply early in the growing season.

Easy Mixing and Application
Highly praised for its ease of mixing and application by users.
Key specs
- Product Dimensions:2.8 x 4.3 x 8.7 inches
- Application:Mix with water
- Country of Origin:USA
- Application Type:N/A
- Target Pests:N/A
9.4

Excellent

Our Rating
5

Bonide
Bonide Infuse Lawn & Landscape Systemic Disease Control, 7.5 lb. Ready-to-Use Granules, Fungicide for Turf & Ornamentals
Main highlights

Broad Spectrum Disease Control
Combats diseases like dollar spot, rust, and mildew, enhancing turf color.

Versatile Application
Suitable for roses, lawns, trees, shrubs, and both cool and warm season grasses.

Highly Effective Systemic Formula
Praised for long-lasting protection, reducing the need for frequent application.
Key specs
- Product Dimensions:3.5 x 14 x 15.25 inches
- Application:Lawn, garden plants
- Country of Origin:USA
- Application Type:N/A
- Target Pests:N/A
9.3

Excellent

Our Rating

9.3
Simple to use

8.2
worth the money
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6

Atticus
Atticus Gravex 20 EW (16 oz) Fungicide (Compare to Eagle 20EW) - Myclobutanil Systemic Fungus Control for Lawns, Landscapes, and Greenhouses
Main highlights

Disease Control Power
Gravex 20 EW offers broad-spectrum disease control with both curative and preventive properties, protecting plants for up to 28 days.

Versatile Application
Ideal for use on lawns, landscapes, greenhouses, ornamental plants, and fruit trees, covering over 100 species.

Customer Praised Effectiveness
Highly effective in controlling black spot on roses and Dollar Spot in Bermuda grass, as noted by satisfied users.
Key specs
- Product Dimensions:4.9 x 1.95 x 8.5 inches
- Application:Multiple use sites
- Country of Origin:USA
- Application Type:N/A
- Target Pests:N/A
9.2

Excellent

Our Rating
7

VivaGrow

Quest Reliant Systemic Fungicide 32oz/1 Quart
9.1

Excellent

Our Rating
8

Bonide

Bonide Rose Rx Systemic Drench, 32 oz Concentrate, Garden Insect & Disease Prevention for Roses, Flowers and Ornamentals
9.0

Excellent

Our Rating

9.5
Simple to use

9.3
worth the money
9

Bonide
Bonide Insect Control Systemic Granules, 4 lbs. Ready-to-Use Water Resistant Long Lasting Protection Outdoor Use

22% Off
Main highlights

Long-Lasting Protection
Provides up to 8 weeks of insect protection for outdoor plants.

Ideal for Non-Edible Plants
Best used for ornamental plants; not suitable for edible plants.

Ease of Use Praised
Customers love the convenient application and shaker top design.
8.9

Very Good

Our Rating

9.7
Simple to use

9.3
Freshness

9.3
worth the money
10

Earth's Ally
Earth's Ally Disease Control Concentrate for Plants Concentrate 32 oz | Fungicide Treatment for Powdery Mildew, Blight, Black Spot, Fungus - Use on Plant & Rose Diseases & More

20% Off
Main highlights

Key Features
Tackles plant diseases with citric acid, safe for people, pets, and planet, OMRI Listed for organic gardening, concentrated formula makes 10 gallons.

Ideal Use Cases
Perfect for treating powdery and downy mildew, blight, canker, black spot, and leaf spot on fruits, vegetables, flowers, and shrubs.

Customer Reviews
Most praised for its effectiveness in disease control without leaving harmful residues, making it ideal for eco-conscious gardeners.
Key specs
- Product Dimensions:N/A
- Application:N/A
- Country of Origin:N/A
- Application Type:Spray
- Target Pests:Plant diseases
8.6

Very Good

Our Rating

9.9
Simple to use

8.9
worth the money

8.9
Aroma

10 Best systemic fungicides of 2025

1

Reliant Systemic Fungicide (Agri-Fos/Garden Phos) 1 Gallon

How do we rank?

How do we rank?

Analyzing top stores

2

Monterey Garden Phos Systemic Fungicide for Root Rot, Downy Mildew, Fire Blight, Sudden Oak Death, Phytopthora & Pythium, 15 oz Apply with Sprayer

3

Bonide Infuse Systemic Disease Control, 16 oz Concentrated Solution for Plant Disease Control, Long Lasting & Waterproof

9.7

9.1

8.7

4

Fertilome (11378) Liquid Systemic Fungicide II (32 oz)

5

Bonide Infuse Lawn & Landscape Systemic Disease Control, 7.5 lb. Ready-to-Use Granules, Fungicide for Turf & Ornamentals

9.3

8.2

6

Atticus Gravex 20 EW (16 oz) Fungicide (Compare to Eagle 20EW) - Myclobutanil Systemic Fungus Control for Lawns, Landscapes, and Greenhouses

7

Quest Reliant Systemic Fungicide 32oz/1 Quart

8

Bonide Rose Rx Systemic Drench, 32 oz Concentrate, Garden Insect & Disease Prevention for Roses, Flowers and Ornamentals

9.5

9.3

9

Bonide Insect Control Systemic Granules, 4 lbs. Ready-to-Use Water Resistant Long Lasting Protection Outdoor Use

9.7

9.3

9.3

10

Earth's Ally Disease Control Concentrate for Plants Concentrate 32 oz | Fungicide Treatment for Powdery Mildew, Blight, Black Spot, Fungus - Use on Plant & Rose Diseases & More

9.9

8.9

8.9

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