Jasmine Plant Leaf Problems: Why A Jasmine Has White Spots

By: Teo Spengler

If your jasmine has white spots, it’s time to diagnose the problem and treat it. White spots on jasmine leaves may be nothing serious, but they may also indicate a disease or pests. Read on for more information about jasmine plant leaf problems.

Common Jasmine Plant Leaf Problems

Many species of jasmine are tough enough to withstand most diseases. Jasmine also tend not to suffer damage from insect pests. However, some diseases and pests can strike any ornamental shrub, and jasmine species are not completely immune.

One fairly common problem that causes jasmine plant leaf problems is called leaf spot and it is caused by fungi. Look for irregular tan or brown spots, round or oval, that appear on the leaves in July or August. Leaf spot is particularly prevalent in cool weather with frequent light rains or high humidity.

It isn’t too serious if leaf spot creates a few white spots on jasmine leaves, but if defoliation results, it is more serious. To prevent a re-occurrence of leaf spot the following year, fertilize the plant appropriately in springtime and prune it to remove weak or dying branches. You should not use fungicidal sprays unless the jasmine’s life is in danger.

Jasmine leaves turning white can be caused by other things too.

If your jasmine has white spots on its leaves, look at them more closely. If the spots look powdery, the white spots on jasmine leaves could be powdery mildew or powdery mold. Control these conditions by using an appropriate fungicide spray and repeating every two weeks until you have done three sprayings.

White spots on jasmine leaves can be insects. If the white spots on jasmine leaves are actually eggs or very small moths, the culprit might be a species of whitefly. Whiteflies are tiny insects that feed on the underside of jasmine foliage. They also lay eggs on the underside of leaves. Treat your infected jasmine leaves with insecticidal soap or horticultural oil spray. These remedies aren’t toxic to you or your pets, but will get rid of the whiteflies in short order.

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Leaf Curls in Jasmine

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Many kinds of jasmine (Jasmine spp.), including winter jasmine and Asian jasmine, are hardy in U.S. Department of Agriculture hardiness zones 7 to 10. They can be grown indoors or outdoors, and they are sought after for their flowers' distinctive fragrance. Although hardy plants, jasmine leaves can begin to curl when suffering from disease or pests.


Fortunately, a healthy Asiatic jasmine plant typically incurs only mild damage as a result of cercospora leaf spot disease. The leaf spots may become depressed and release spores that spread throughout the plant or onto nearby plants. Once a plant's leaves discolor from the disease, they may fall off. Especially if there's a lot of moisture, the disease may cause your plant to lose most of its leaves. Spotted areas may also continue to discolor while the tissue within dies.

Life-Threatening Diseases

Root rot can affect almost any shrub or vine that has been planted in an area of soil where standing water collects, or is watered too frequently. This fungal disease thrives in waterlogged soil and attacks the roots of the plant, causing it to be unable to absorb nutrients. As a result, the plant slowly wilts. Most die from the crown and outer branches inward. Uprooted jasmine plants will show black, dead patches on the roots. This disease is difficult to eradicate, and the plant usually cannot be saved once infected.

Q. Black Spot Disease

Can black spot disease be passed from a rose to a jasmine plant and kill it?

It could transfer from one plant to the other. Roses tend to be more susceptible, but a jasmine could get fungus from the rose. If you suspect your roses have it and you want to make very sure that the jasmine does not get it, start treating the jasmine with a fungicide. We are personally fond of neem oil for this. This article will tell you more about it: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

We have a small rented house so we don't have much space to plant trees outside. But I wish to have a small jasmine plant and pepper mint too which could be planted inside our house. Is this possible? If so can u send me a sapling of these two ?

Yes, it is possible to grow jasmines and peppermint in containers. Here is more information:

Gardening Know How doesn't sell plants, but you may be able to find both plants you are looking for in gardening stores near you, or through online stores. Many gardeners also get plants from other gardeners in their area- many are willing to share cuttings and seeds with other gardeners.If you can find a local gardening organization, they could probably help you find places to buy them or other gardeners who have these plants.

Growing Jasmine Plants? Know the Diseases That May Affect Them

If left unchecked, diseases can cause extensive damage to your jasmine plant, resulting in stunted growth and a poor flower show. Read on to know about some common jasmine plant diseases and their remedies.

If left unchecked, diseases can cause extensive damage to your jasmine plant, resulting in stunted growth and a poor flower show. Read on to know about some common jasmine plant diseases and their remedies.

A very popular flowering plant, jasmine is known for its sweet fragrance and bright white/yellow showy flowers. Native to the old world, i.e., Asia, Africa, and Europe, it is now cultivated in most tropical and warm temperate climates around the world. Jasmine is a genus of shrubs and vines in the olive family, Oleaceae. However, unlike other members of this family which have four-lobed petals, Jasmine has more than five, and in some varieties even nine, petals. An evergreen plant, jasmine is very commonly used in traditional weddings and religious functions in Asia. It is basically a no-fuss plant with very little pests and diseases that inflict it. However, there are a few diseases that need to be treated before they damage the plant.

Diseases Affecting Jasmine

Jasmine plant problems include pests and diseases that can be easily controllable, provided they are checked and treated on time. Left to their own devices, most pests and diseases are quite capable of devouring an entire plant. Diseases in jasmine are caused due to infections caused by various viruses, bacteria, and fungi. Following is some information about the various diseases that can affect this plant, which one can identify and take a correct course of action.

  • Powdery Mildew:
    The most common fungal infection, powdery mildew can occur on both dry as well as fresh leaves. It is characterized by circular, powdery-white or gray spots that coat over leaf surfaces, spreading to stems in a short while. They can be easily controlled with a fungicide spray, repeated every week until the infected leaves clear off. They can also be partially removed by brushing the leaves against each other.
  • Stem Blight:
    Jasmine stems are also known to develop small to large brown/black rapid-spreading lesions that girdle the stem, causing stem blight of entire branches, and in certain cases even killing the plant. Stem blight in jasmine is caused by a necrotrophic fungi Botrytis cinerea, that gets aggravated in unusually cool and humid weather conditions.
  • Root Knot Nematode:
    This is a parasitic nematode that exists in soil and thrives in places that are hot and humid. The nematode larvae infect plant roots, which results in root knot galls. This knot, being parasitic in nature, drains the plant of all its nutrients. A root knot nematode in jasmine plants decreases flower yield.
  • Aphids:
    Commonly known as plant lice, these are tiny, soft-bodied, pear-shaped insects. They are among the most destructive pests found on cultivated plants in temperate regions. They exude tiny droplets on leaves, flowers, and stems that turn into black sooty mold which suffocates the plant part.
  • Leaf Eating Caterpillar:
    Caterpillars, which are the larvae of moths and butterflies, are among the most common and destructive pests found on ornamental and flowering plants, including the jasmine. This species of pest can completely devour foliage and flowers alike, retarding growth and flowering capacity.

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Jasmine plants are also affected by pests like mites, mealy bugs, etc., that can easily be controlled with some pruning and effective fungicide and germicide spray on a regular basis.

Treating Mildew

Treatment must begin when you first notice the disease or it will spread rapidly and decimate the leaves on your plants. Neem oil is an excellent choice to use and is one of the least caustic fungicides available. Thoroughly mix 2 tablespoons of neem oil with 1 gallon of water in a hand sprayer. Completely coat all sides of the plants, including the undersides, mixing the solution as you spray. Reapply every seven days until the disease is gone, then apply every 14 days for prevention.

Josie Myers has been a freelance writer and tutor since 2008. A mother of three, she was a pre-kindergarten teacher for seven years, is a Pennsylvania-certified tree tender and served as director of parks in her local municipality. Myers holds a Bachelor of Arts in music and business from Mansfield University and a Master of Arts in English from West Chester University.

Watch the video: Grow jasmine faster using natural rooting hormone. Best natural rooting hormone for any cuttings

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