As the fungus grows, the plant withers.

Plant fungus can quickly damage and even kill plants.

Some come through the air via spores and attach to the plant’s leaves.

ingredients for baking soda spray

The Spruce / Anastasiia Tretiak

Other typeslive in the soiland can enter a plant through the roots.

Root-based fungi cankill the roots, causing the plant to wilt and eventually die.

Baking soda (sodium bicarbonate) is an anti-fungal agent and can even kill some established forms of fungus.

ingredients for baking soda spray

The Spruce / Anastasiia Tretiak

Research has shown it’s effective against some kinds of black spot andpowdery mildew.

If the fungus continues despite the repeated app of baking soda, consider using a stronger anti-fungal agent.

Baking soda sprays should be labeled and stored out of reach of children.

ingredients to make baking soda spray

The Spruce / Anastasiia Tretiak

Give the spray bottle a gentle shake prior to use.

Negative Outcomes?

Constant use of a baking soda spray on plants will eventually seep through to the soil below.

person spraying a plant

The Spruce / Anastasiia Tretiak

Avoid ingesting them, and wear protective clothing when applying them to your plants.

Yes, plants can survive many fungal diseases, especially if they are detected and managed early.

Some fungal diseases are more lethal than others, so be sure to act fast.

Fungus growing on the soil is usually not the key in of fungus that harms plants.

Houseplant Diseases & Disorders.Clemson University Cooperative Extension.

Leaf spot diseases of trees and shrubs.

University of Minnesota Extension.

Powdery mildew on trees and shrubs.

University of Minnesota Extension.

Powdery Mildews.Colorado State University.

doi:10.1007/s11738-013-1317-7

Copper Sulfate General Fact Sheet.National Pesticide Information Center.