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Passion Fruit Is Rotting: Why Does Passion Fruit Rot On Plant

Passion Fruit Is Rotting: Why Does Passion Fruit Rot On Plant


By: Mary H. Dyer, Credentialed Garden Writer

Passion fruit (Passiflora edulis) is a South American native that grows in tropical and subtropical climates. Purple and white blooms appear on the passion fruit vine in warm weather, followed by tangy, fragrant fruit that ripens primarily in summer and fall. Passion fruit turns from green to dark purple as it ripens, then falls on the ground, where it is gathered.

Although the vine is relatively easy to grow, it is prone to a number of problems, including rotten passion fruit. Read on to learn about passion flower fruit rot and why your passion fruit is rotting.

Why Does Passion Fruit Rot?

Passion fruit is affected by several diseases, many of which can cause passion flower fruit rot. Diseases that cause rotten passion fruit are often the result of weather – primarily humidity, rain and high temperatures. Although passion fruit requires ample water, excessive irrigation can cause disease.

Avoiding diseases that cause passion flower fruit rot involves several steps, including careful pruning to increase ventilation, thinning to prevent overcrowding, and repeated application of fungicide, especially during warm, rainy weather. Prune passion vine only when the foliage is dry.

The most common reasons for rotting passion flower fruit comes from the following issues:

  • Anthracnose is one of the most common and most destructive passion fruit diseases. Anthracnose is prevalent during hot, rainy weather and results in leaf and twig wilt and leaf loss. It can also cause rotten passion fruit, recognized initially by oily-looking spots. The spots have a corklike surface and may display dark lesions and a slimy orange mass that becomes soft and sunken as the fruit continues to rot.
  • Scab (also known as Cladosporium rot) affects immature tissue of branches leaves, buds and small fruit, which displays small, dark, sunken spots. Scab becomes more prominent on larger fruit, turning brown and corklike in appearance as the disease progresses. Scab generally affects only the outer covering; the fruit is still edible.
  • Brown spot – There are several species of brown spot disease, but the most common are Aternaria passiforae or Alternaria alternata. Brown spot causes sunken, reddish-brown spots that appear when the fruit is mature or halfway mature.

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Read more about Passion Flower


Maracuya, granadilla, or parcha, they all refer to the same thing – passion fruit. A member of the Passiflora family, it is a fruit is a native to South America. To be specific, historical accounts point to some part of Brazil and Argentina as its origin. In the 16 th century, Christian missionaries have set foot for the first time in South America. Here, they found passion fruit and they called it flor de las cinco laagas, which literally translates to flower of the five wounds. It is also a symbol of the crucifixion of Christ. The flower of the passion fruit has five petals, which is also said to be a representation of the five disciples.

Passion Fruit is well-loved Amongst many People, Especially because of Its Abundance of Health Benefits

It was in the 19 th century when passion fruit found its way throughout the world. At such time, it was one of the popular commercial crops in Israel, South Africa, and Australia, among other countries. Until now, passion fruit is well-loved amongst many people, especially because of its abundance of health benefits. We will tackle more of this in the next sections of this article.


Should I grow a passion fruit from seed or buy a young seedling?

Whilst passion fruit can be propagated from cuttings the best idea is to propagate them from seed.

It can take up to 19 months for a passion fruit vine to become mature enough to produce fruit.

If you are growing your passion flower vine so you can eat the homegrown fruits you might want to grow your plant from a seedling as this obviously shortens the time you will have to wait for the fruit to be produced.


Insect Pests

If the leaves of your purple passion develop pale or yellow spots before curling and turning brown or reddish brown, spider mites may be the culprit. Spider mites and other sap-sucking insects rob the foliage of vital nutrients and moisture. They often feed on the undersides of the leaves, causing the spotting on the upper portion before the foliage begins to dry, change color and fail. The insects are tiny, but many can be eliminated by spraying the plant forcefully with water. Moveable container-grown plants can go in the kitchen sink or bathroom shower, while larger potted plants and yard plants benefit from a spray from the garden hose. Heavy infestations may be treated with horticultural oils or soaps, which smother the insects.


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