Home made remedy for black spots on roses. If your roses contain black spots, the cause may be a fungal infection. We have brought home made remedies that help to eliminate the black spot disease.
Home made remedy for black spots on roses

The black spot is the prime enemy of your roses. If you are planting roses, keep them safe from such fungal diseases.
Once the infection is left untreated, the roses won’t bloom, and ultimately you will lose the plants.
Sign and Symptoms
Early signs and symptoms
- Irregularly shaped black spots
- Size of spots-1/2 inch in diameter
- Location- the upper surface of the leaves
Late signs and symptoms
- Yellow leaves
- Falling of leaves off the plant
- Leaves begin to fall from the bottom and progress towards the top
- Defoliation
- Infected canes
Causes of Black Spots on Roses
- Fungal disease
- Variant- Diplocarpon rosae
- Favorable condition- wet, humid environment and cool temperatures
Home made Remedies for Black Spots
Milk Treatment for Black Spots
Milk is effective against many fungal diseases including, black spots. A horticulture expert, Professor Jeff Gillman, has proven its efficacy by applying to plants with red spot infection.
The study was at the University of Minnesota on both organic and synthetic products. This method is employed to prevent the spread of disease.
Requirements
- Milk
- Spray bottle
- Infected plant
Procedure
- Add milk in water by a ratio of 1: 2.
- Mix well.
- Take an empty spray bottle and fill it with the solution.
- Spray the plant with this solution.
- Cover both the top and bottom parts of the plant.
- Remove the dead and infected leaves.
- Clean the plant properly to ensure no diseased leave.
- Wait for a couple of days.
- After a week, repeat the procedure.
- It will prevent the disease from spreading. Removing infected leaves will lower the chances of spores.
- You can call it a prevention strategy that ensures preventing black spots.
Treatment with Baking Soda
Another popular method includes treating the plant with baking soda solution.
Requirements
- Sodium bicarbonate (baking soda) or Potassium bicarbonate is 35% more effective.
- Spray bottle
- Infected plant
Procedure
- Add baking soda or potassium hydroxide in water by a ratio of 1: 2.
- Mix it well.
- Take an empty spray bottle and fill it with the solution.
- Spray the plant with this solution.
- Cover both the top and bottom parts of the plant.
- Remove the dead and infected leaves.
- Clean the plant properly to ensure no diseased leave.
- Wait for a couple of days.
- Look for any adverse reaction as baking soda is alkaline and highly phytotoxic.
- Remember to test a few leaves before opting for the whole plant.
Essential Oil Treatment
Essential oil with antifungal property
- English thyme
- Scotch spearmint
- Neem oil
Requirements
- Enlisted essential oils
- Spray bottle
- Infected plant
Procedure
- Add a few drops of enlisted essential oil to a gallon of water.
- Mix it well.
- Take an empty spray bottle and fill it with the solution.
- Spray the plant with essential oil.
- Cover both the top and bottom parts of the plant.
- Remove the dead and infected leaves.
- Clean the plant properly to ensure no diseased leave.
- Wait for a couple of days.
- Look for any adverse reaction.
Prevention of Roses from Black Spot
- Keep the garden clean
- Keep the foliage dry
- Limit the moisture
- Avoid overhead watering
- Water the plant early in the daytime
- Improve air circulation to the plants
- Maintain spacing between plants
- Keep the plants in sunlight
Conclusion
If your lovely roses are with black spots disease, try using milk, baking soda, and essential oil for its treatment. Milk will prevent the spread of fungal infections.
Remember to take safety measures before opting for any method.
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