Best Garden Fungicides of 2025

Toby Butcher Avatar
Toby Butcher
Last Updated: 1 Feb 2025

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Garden fungicides are chemical solutions designed to prevent and control fungal diseases that can damage plants in your garden. These products are formulated to protect plants from common fungal infections such as powdery mildew, black spot, and rust, which can cause leaves to yellow and fall off, flowers to wither, and fruits and vegetables to rot. Garden fungicides come in various forms such as sprays, powders, and concentrates, and are easy to apply with simple instructions provided by the manufacturer. Using garden fungicides can help to maintain the health of your garden and ensure that your plants thrive throughout the growing season.

At a Glance: Our Top Picks

Provanto Fungus Fighter Plus for Plants Cover #TOP 1
Provanto Fungus Fighter Plus for Plants
ftb score rating icon 9.8
FungusClear Ultra 2 for Gardens Cover #TOP 2
FungusClear Ultra 2 for Gardens
ftb score rating icon 9.7
Westland Fungus Guard 800ml for Plants Cover #TOP 3
Westland Fungus Guard 800ml for Plants
ftb score rating icon 9.5

Top 10 Garden Fungicides

#TOP 1

Provanto Fungus Fighter Plus for Plants

86600250
Green
Provanto Fungus Fighter Plus for Plants Cover
Provanto - Fungus Fighter Plus - Eradicates, Controls & Protects for Up To 3 Weeks - Garden Care, Plant Protection, Ready to Use Fungicide, Use Indoor & Outdoor on Flowers, Fruit & Veg, Shrubs - 1L

The Provanto Fungus Fighter is an effective solution for controlling major leaf diseases such as blackspot and powdery mildew. Its fast-acting formula begins to work quickly, giving you peace of mind. Once applied, it protects your plants for up to three weeks, ensuring long-lasting care. It is suitable for a variety of plants, including houseplants and selected edibles, making it a versatile choice for any garden enthusiast.

What We Like
Controls major leaf diseases
Fast-acting and effective formula
Protects plants for three weeks
Ready-to-use spray convenience
Suitable for various plant types
#TOP 2

FungusClear Ultra 2 for Gardens

119978
White
FungusClear Ultra 2 for Gardens Cover
FungusClear Ultra 2, Ready to Use, 800 ml, White

FungusClear Ultra 2 is an effective solution for tackling powdery mildew, black spot, and rust on your plants. By combating existing infections, it helps restore the health of your roses and ornamental plants. Additionally, it provides protection against future infestations, ensuring your garden remains vibrant and disease-free. This ready-to-use formula simplifies your gardening routine, allowing you to focus on enjoying your plants rather than worrying about pests.

What We Like
Fights existing plant infections
Protects against future infestations
Ideal for roses and ornamentals
Ready to use formula
#TOP 3

Westland Fungus Guard 800ml for Plants

20300660
Green
Westland Fungus Guard 800ml for Plants Cover
Westland Fungus Guard RTU 800ml, Green

Westland Fungus Guard is an effective solution for maintaining plant health. It removes disease spores, helping to protect your garden from potential threats. Additionally, it builds disease resistance, ensuring your plants stay strong and vibrant. The product also acts as a leaf wash, giving your plants a shiny appearance that enhances their overall look. Plus, it's pesticide-free and boasts a biodegradable, non-toxic formulation, making it safe for you and the environment.

What We Like
Removes disease spores
Builds disease resistance
Leaves shiny appearance
Pesticide-free formulation
Biodegradable and non-toxic
#TOP 4

Liquid Copper Fungicide by Southern Ag

02902
Liquid Copper Fungicide by Southern Ag Cover
Liquid Copper Fungicide Pint 16oz

The Southern Ag Liquid Copper is a highly effective fungicide designed for garden use. This 16oz liquid formulation is ideal for treating various fungal issues, ensuring your plants remain healthy and vibrant. By using this product, you can protect your garden from harmful pests, which is essential for maintaining a thriving outdoor space. Its pesticide properties make it a reliable choice for gardeners seeking a straightforward solution to fungus-related problems.

What We Like
Effective against garden fungi
Convenient liquid form
16oz size for easy application
Trusted brand: Southern Ag
#TOP 5

Southern Ag Bio Fungicide for Home Gardens

Root 98 Warehouse
5171
White
Southern Ag Bio Fungicide for Home Gardens Cover
Southern Ag Garden Friendly Bio Fungicide Organic, 8 OZ

The Southern Ag Bio Fungicide is an organic solution designed to help you control plant diseases in your home garden. With its 8 oz size, it's perfect for treating vegetables, flowers, and even fruit trees. This biofungicide contains 98.85% of the Bacillus amyloliquefaciens strain D747, ensuring effective disease management. You will appreciate its versatility, as it is suitable for various plants, including shrubs and potted ornaments, making it a convenient choice for all your gardening needs.

What We Like
Organic and safe for plants
Effective disease control
Versatile for various plants
Large quantity discounts available
#TOP 6

Toprose Fungus Control for Healthier Roses

86600038
Green
26 x 13 x 28 cm
Toprose Fungus Control for Healthier Roses Cover
Toprose - Fungus Control and Protect ready to use - Protects Roses from Disease for Stronger, Healthier Blooms - Plant Protection, Rose Care, Ready to Use, Black Spot Control - 1L

Toprose Fungus Control is an effective solution for keeping your roses healthy and vibrant. It targets major rose diseases, including blackspot and powdery mildew, ensuring your plants stay protected. With its fast-acting formula, you can expect results quickly, allowing you to enjoy stronger blooms sooner. This product is suitable for all types of roses, whether in your garden or conservatory, giving you flexibility. Plus, its convenient spray design makes application a breeze, so you can easily keep your roses in top condition.

What We Like
Controls major rose diseases
Fast-acting and long-lasting
Suitable for all rose types
Easy to apply spray
#TOP 7

Vitax Plant Guard Organic Bug & Disease Protection

5PG256
White
Vitax Plant Guard Organic Bug & Disease Protection Cover
Vitax Plant Guard - Organic protection from bugs & disease - Concentrated 250ml

Vitax Plant Guard offers natural protection from bugs and diseases, making it ideal for organic gardens. You can effectively shield your flowers, fruits, and vegetables from common pests like aphids and spider mites. This concentrated liquid formula is easy to use, allowing you to mix it with water and create up to 16 litres of protective spray. By choosing this product, you can ensure the health of your plants while being kind to the environment.

What We Like
Natural bug protection
Suitable for organic gardens
Effective against common pests
Concentrated formula
Easy to use
#TOP 8

Southern Ag Liquid Copper Fungicide, 8oz

02901
Southern Ag Liquid Copper Fungicide, 8oz Cover
Southern Ag 02901 Liquid Copper Fungicide, 8oz

The Southern Ag Fungicide comes in an 8oz bottle, making it a convenient size for your gardening needs. You can mix 6 teaspoons per gallon, which allows for easy application and effective treatment of fungal issues in your garden. The compact package dimensions of 5.0 L x 14.1 H x 7.9 W centimetres make it easy to store and handle. With model number 02901, this fungicide is designed to help you protect your plants and ensure they thrive.

What We Like
Convenient 8oz size
Easy mixing instructions
Compact packaging
Effective fungal treatment
#TOP 9

EcoValley Natural Mould and Mildew Remover Spray

EcoValley
5065015011163
500 ml (Pack of 1)
EcoValley Natural Mould and Mildew Remover Spray Cover
EcoValley Natural Plant Mould and Mildew Remover Spray - 500ml - Effective Fungus Cleaner for Gardens & Indoors - Eco-Friendly, Safe Mould Treatment

The EcoValley Mould Remover Spray is a powerful and natural solution for tackling mould, mildew, and fungus in your home and garden. It features a versatile application, allowing you to use it on various surfaces without harming your plants or the environment. The easy-to-use 500ml spray bottle lets you target affected areas quickly and effectively. Furthermore, this eco-friendly product is safe for use around pets and children, giving you peace of mind while maintaining a clean and healthy space.

What We Like
Natural and safe ingredients
Versatile for indoor and outdoor use
Convenient spray bottle design
Environmentally friendly solution
Prevents future mould growth
#TOP 10

Tricho Protect Bio Fungicide for Plants

T-2-G
200 Gram
Tricho Protect Bio Fungicide for Plants Cover
Tricho Protect Bio Fungicide for Plants, Makes 40L of Liquid Spray With 200G Highly Concentrated Powder, Recommended Black Spot Spray For Roses, Child & Pet Safe (OF&G certified)

Tricho Protect Fungicide is an effective solution for safeguarding your plants from harmful pathogens. It utilises Trichoderma Harzianum, which combats both seed and soil-borne diseases like root rot and damping off, ensuring your plants stay healthy. This product promotes robust plant growth through foliar application, seed treatment, and soil treatment, making it highly versatile. Additionally, it works quickly to suppress the growth of plant pathogens, offering you peace of mind as you nurture your garden.

What We Like
Controls multiple fungal diseases
Promotes healthy plant growth
Quickly suppresses pathogens
Compatible with all fertilisers
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is a good garden fungicide?

Dishwashing soap, without degreaser or bleach, is a popular ingredient for homemade plant fungicide. Cooking oils are often mixed into homemade plant fungicide to make them cling to leaves and stems. Pyrethrin leaves that come from the painted daisy flower are widely used in commercial fungicide for plants.

2. What fungicide is safe for vegetables?

Some fungicides touted as vegetable safe include neem, liquid copper, sulfur (temperatures allowing), corn meal, potassium bicarbonate. Look for Safer, Serenade and Green Light organic fungicides.

3. What is a good soil fungicide?

Anilazin, Captafol, Copper Sulfate, Dinocap, Folpet, Thiram, and Zineb are used as chemical treatments for fungi in soil. These chemicals are widely available at local nurseries or gardening stores.

Editor's Notes

During our garden fungicide research, we found 87 garden fungicide products and shortlisted 10 quality products. We collected and analyzed 53,350 customer reviews through our big data system to write the garden fungicides list. We found that most customers choose garden fungicides with an average price of £17.52.

The garden fungicides are available for purchase. We have researched hundreds of brands and picked the top brands of garden fungicides, including Provanto, BugClear, Westland, Southern Ag, Root 98 Warehouse.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.