3 Best Fungicide For Tomatoes and Late Blight

Late Blight Tomato Treatment

For your tomatoes to thrive, remain healthy, and free of fungus, you need to spray them with the best fungicides for tomatoes. This lets you treat or control fungi maladies before they destroy your crop.

Among infestations that afflict tomatoes, three of the most common are septoria leaf spot, early blight, and late blight. Spraying with great products,such as a fungicide for tomatoes and late blight spray, goes a long way in salvaging a desperate situation.

A homemade fungicide for tomatoes gives you an avenue to enhance your tomato crop harvest. A homemade compost tea fungicide is one choice. Another homemade option is a baking soda spray for tomato blight concoction. This concoction features baking soda, horticultural or vegetable oil, dishwashing soap, and water.

However, a commercial tomato fungicide stands a better chance due to the stringent research that goes into their preparation and precise measurement features that come with a tomato spray guide.

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3 best fungicides for tomatoes and late blight

Below are three excellent products that make your venture easier in your search for tomato disease treatment.

1. Bonide 811 Copper 4E Fungicide 16oz (473ML)

Once you discover your garden, or neighboring gardens havea history with septoria leaf spot, early blight, or late blight, among other maladies, then your tomatoes are vulnerable too.

That is one way of knowing if you should use fungicide on your tomato plants.

Apply copper fungicides for tomatoes long before symptoms of infestation appear. This is particularly critical if you live in a humid and warm environment, where blight and other such maladies thrive.

Lovable Features of Bonide 811 Copper 4E Fungicide

Bonide 811 Copper 4E Fungicide 16oz (473ML) will protect a wide range of plants in your garden, besides tomatoes, from several disease infections. Suchplants include your lawn tuft grass, vegetables, fruits, and flowers.

This commercial tomato fungicide is particularly effective against blight and is very suitable for your organic gardening. Thistomato disease treatmentwill not harm those beneficial insects, such as bees, that compliment your gardening.

In addition, you can safely use this product both indoors,on your windowsill plants for example, and outdoors on your tomato crop.

Physical Features and Application of Bonide 811 Copper 4E Fungicide 16oz (473ML)

This fungicide for tomatoes and late blight comes in a package measuring 1 by 1 by 1 inches in dimensions and weighs 1 pound. Ingredients include copper octanoate, or copper soap, at 10%.

It is critical to spray in the early morning or early evening, while it is still cool. Conversely, early evening spraying gives it time to dry before nightfall.

This product is Amazon’s top choice for copper fungicide. That is no mean achievement as a tomato disease treatment.

  • Concentrate lets you set your dose, preferable to pre-mixed products
  • Helps to reduce white flies
  • Your plants should not spend overnight wet with the product.
  • Sun heat bakes this product while it should actually dry.

2. Southern Ag Captan 50% WP Fungicide, 8 Oz

For a wide range of fungi that threaten your tomato crop, this is an excellent general-purpose fungicide. It spectrum of activity is wide.

It works quite well despite prevailing diverse weather and growing conditions. The type of soil in which you grow your tomatoes will not be a problem either with this product.

Attractive Features

Fungi that attack your tomato crops have yet to develop resistance against this powerful fungicide.

It contains captan, which is a micro-fine powder that you can mix in water to create a spray. You can then use this spray to control numerous fungus diseases that afflict fruits, ornamental plants, lawn turf grass, and vegetables.

It comes with an instruction guide that gives precise dosage application measurements such as 2 pounds per acre.

Physical Features

This product comes in a package weighing 8 ounces and measuring 3 by 3 by 6 inches in dimensions.

It is a powder that you can wet or mix with water to create a powerful spraying agent.

The mixture has low toxin traits against honeybees and other garden beneficial insects. However, it would be preferable to stop spraying when plants are in full bloom.

Its active ingredient features Captan, or N-Trichloromethylthio-4-cyclohexene-1,2-dicarboximideat 48.9%.

Mixing this fungicide powder with water and applying as a foliar spray gives you a powerful deterrent and control tool against tomato-attacking fungus.

  • Safe for use around garden pollinators
  • Powder form lets you set your precise dose compared to pre-mixed competitors.
  • Leaves white powder coating on leaves, although this powder washes away with rainfall.
  • Calls for precise dose measurement and stringent adherence to guide instructions

3. Southern Ag Liquid Copper Fungicide, 16oz – 1 Pint

Should you have a garden of nut and fruit crops, a lawn turf, ornamental crops, or vegetables, you need to have this product around to control various diseases affecting such crops.

Attractive Features

This liquid copper fungicide features a formulation that works brilliantly with your hose end sprayers.

Its gives you enormous power over fungi and bacteria diseases. These include algae control over grass on your lawn turf, moss control in live oak or ornamentals, and prevention or control of fungal leaf spots, blights, and rust attacks on your tomatoes.

It is so easy to prepare and use. It simply requires mixing with water, using doses prescribed in its instruction guide, followed by misting, as a foliar spray, on your tomato crop.

Physical Features

Its packaging weighs 1.32 pounds and measures 2 by 4.1 by 6 inches in dimensions.

It consists of a 16-ounce liquid concoction whose active ingredients include 31.4% Copper Ammonium complex, an 8% Metallic Copper Equivalent, at 0.784 pounds per gallon.

Its application rate will vary depending on the crop under attack and the instruction guide settings. For your tomatoes, you need 2 ounces, per 1000 square feet, mixed in 2 gallons of water.

Tomato fungi, septoria leaf spot, late blight, and early blight are known to overwinter in the soil.

In addition, these maladies have a tendency to spread quite easily onto your tomatoes, as water splashes up onto the stems and leaves, infecting them with pathogens.

These diseases can be prevented from attacking your crops, and when they do, they can be controlled. Southern Ag Liquid Copper Fungicide, 16oz – 1 Pint provides an easily accessible control and prevention tool for these maladies.


  • Powerful against tomato leaf blight
  • Best alternative to purchasing pre-mixed copper competitors


  • Close attention to instruction and dosage critical for desired results.
  • Several rounds of spraying are necessary to control fungus disease outbreaks.

Copper fungicides are effective in treating and preventing bacterial pathogens and fungi. This makes such products quite valuable for you, as a home gardener, to have in your gardening arsenal.

As you venture out in search of the best fungicide for tomato early blight and other maladies, take particular care to look up on the ingredients.


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