Peony Leaf Spot Causes: Tips For Treating Spotted Peony Leaves

The first thing you need to do when spotting peonies is to check if it’s a true spotted or not. If the spot is a true spotted, then there are two options for treating it. You can either cut off the affected area of the leaf (if it’s still green) or you can apply fungicide. Both methods will kill the fungus, but one method may work better than other.

Fungicide may be applied directly to the spot and cause its death quickly, but it won’t cure the problem completely. Sooner or later, new spots appear again. Fungicides are effective only against certain fungi and they’re not very good at killing all types of fungi. Therefore, it’s best to wait until the fungus dies down before applying fungicide.

If you want to prevent the problem from recurring, then you have to treat your peonies with chemical fungicides. Chemical fungicides are available in different strengths and concentrations and they’re used for several purposes including controlling aphids, blackspot on roses, whitefly on tomatoes and many others. So you may use one of these chemicals to treat the infected peony leaves.

For some reason, the chemical is not absorbed by the leaf and it stays on the surface of the leaf only. You can choose any of these fungicide types to eliminate the fungus on your peony leaves. Follow the instructions for applying chemicals as directed on the packaging. Remember that you should apply chemicals only in morning or late in the evening so that the sun won’t affect their effectiveness.

If you want a natural treatment, then you may use garlic spray to treat the fungus. This is very simple to prepare. You will need garlic, water and a spray bottle for this purpose. Peel the garlic and chop it finely.

Then put it in a spray bottle along with water and shake well. Spray the solution on the infected leaves. Take care not to use any type of synthetic herbicides or chemical fungicides on your peony plants because these can cause tissue burn.

Also remember not to over water your peony plants because this is also a common cause of spots on peony leaves. If you notice that the soil is dry, then you should water your peony plant. Wait until the top inch of the soil becomes dry. Don’t water again if the soil is still wet.

If your plant received too much water, it’s possible that the roots are also infected. This can happen if your peony plant’s container has cracked or broken. So you should also check the container and discard it if it’s damaged.

Insects are also a common cause of spotted leaves in peony plants. If you see small insects on your peony leaves, then you should pick them off. Common spotted insects include the aphids, whiteflies and thrips.

You may also see ants on your peony leaves. Ants farm aphids for their honeydew. So you should use a soapy water solution to spray the leaves and wash the insects off. Don’t use an excessive amount of water though because this can cause fungal growth.

Peony Leaf Spot Causes: Tips For Treating Spotted Peony Leaves from our website

If your plant doesn’t receive enough sunlight, then it’s likely that the leaves will appear spotted or blotched. This is because the plant is growing slower and the leaves have not turned green completely. So if you live in a place where there are long and continuous durations of cloudy days, then it’s best to move your peony plant to a brighter location.

If your peony leaves are spotted, it’s best to inspect the roots and other parts of the plant for signs of pests and diseases. Take a look at the stem, petals and buds for signs of infestation or disease. Also check the container if you see any cracked or broken parts.

If you find any type of insects on these parts of the plant, then you may use neem oil to get rid of them. Before you apply any pesticides, make sure that the plant parts are clean first. Wash the plant with tepid water and then let it dry in the sun for a few hours.

You can also mix garlic and mint extracts in water and spray the solution on the infected parts of the plant. This is a very common home remedy used to get rid of different types of insects. Remember to use only organic solutions to treat your peony plant.

If your peony is growing in a container, then you need to check if the container is still good and has no broken parts. A cracked or broken container can cause root rot. This can be caused by excessive watering or changes in temperature. Check all the roots of your peony plant for signs of decay or disease.

If you find any rotten roots, then discard the old container and get a new one.

You can get rid of root rot by adding some drainage to your container. Place broken pieces of clay pots or gravel in the bottom of the container. This will help facilitate the drainage of excess water. Remember not to over water your peony and when in doubt, wait an extra day before watering again.

In conclusion, spots on peony leaves may be caused by a variety of factors such as pests and diseases. Apply these simple home remedies to get rid of the disease causing agents and stop the leaf spots from getting infected.

Even when you are dealing with a leaf spot problem on your peony plant, there is no need to worry. Peony plants are very resilient and you will be able to solve this problem in no time. Just take your time and check your plant daily for any new developments. With a vigilant eye and some home remedies, you will be able to get rid of any leaf spots on your peony.

Happy Growing!

Sources & references used in this article:

Cladosporium leaf-blotch and stem rot of Paeonia spp. caused by Dichocladosporium chlorocephalum gen. nov. by AR Garfinkel, GA Chastagner – 2020 – Pullman, Washington: Washington …

Container production and post-harvest handling of lotus (Nelumbo) and micropropagation of herbaceous peony (Paeonia) by K Schubert, U Braun, JZ Groenewald, PW Crous – Studies in Mycology, 2007 – Elsevier

friends newsletter winter 2015-news, updates, & information by D Tian – 2008 – etd.auburn.edu

Diseases of Boxwood, Carnations, China Asters, Chrysanthemums, Delphinium or Larkspur, Gladiolus, Hollyhocks, Iris, Laurel, Peonies, perennial and annual Phlox … by AR Garfinkel, J Chumley, T Steinlage… – 2017 – Pullman, Washington: Washington …

A Compliation of Plant Diseases and Disorders in Indiana 1983 by PD Preparedness – lsa.umich.edu

Kansas phytopathological notes: 1958 by RP White – … Hollyhocks, Iris, Laurel, Peonies, perennial and annual …, 1931 – cabdirect.org

Disease control for home landscape ornamentals by GE Ruhl, RX Latin, PC Pecknold… – Proceedings of the …, 1983 – journals.iupui.edu

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