How to Make a Natural Fungicide for Rose Bushes

Rose bushes add beauty and a fragrant scent to your garden. But if a fungus like black spot takes over your rose bushes, it will eat away at the leaves and may eventually destroy your rose bush. Although you can buy a variety of commercial fungicides, these products are costly and are often harmful to the soil and surrounding plants. Make a homemade fungicide with natural ingredients to protect your rose bushes without a hefty cost.

Apply fungicide to rose bushes early in the morning for best results.

Step 1

Fill a clean, empty garden sprayer with 1 quart water. Add 1 tsp. baking soda.

Step 2

Swirl around the sprayer several times so the baking soda completely dissolves. Add 1 tsp. bleach-free dishwashing soap, then swirl the container around again. The soap helps to keep the baking soda on the leaves.

Step 3

Spray both sides of the leaves on the rose bush so they are soaked with the mixture. Reapply the mixture after rainfall and watering.

Kimbry Parker

Kimbry Parker has been writing since 1998 and has published content on various websites. Parker has experience writing on a variety of topics such as health, parenting, home improvement and decorating. She is a graduate of Purdue University with a Bachelor of Arts in organizational communication.