How to Grow Papaya

Papaya is a perennial plant that grows in tropical and subtropical climates that have no chance of frost or freezing temperatures. Some species can grow as tall as 30 feet (9m), and most have attractive yellow-, orange- or cream-colored flowers. The plant's fruits may take on a variety of shapes, including pear-like or round, and are known for their sweet, yellow or orange flesh. Learn how to grow papaya for the best chance at healthy plants and a high quality fruit crop.

Method 1

Method 1 of 3:

Growing Papaya from Seeds

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1
Check whether papayas will thrive in your climate. Papayas thrive in USDA hardiness zones 9-11, which corresponds to minimum winter temperatures of 19℉ to 40ºF (-7℃ to 4ºC).^{[1]XResearch source} They may be damaged or die if exposed to prolonged frost, and prefer climates that are warm throughout most of the year.
- Papaya trees do poorly in wet soil. If your climate is rainy, you may plant them on a mound of well draining soil as described further on.
2
Prepare your soil. Choose a nutrient-rich potting mix for tropical plants, or make your own mix out of garden soil and 25–50% compost. As long as the soil drains well, the exact soil texture doesn't matter. Papaya will grow in sandy, loamy, or rocky soils.^{[2]XTrustworthy SourceEDISElectronic database of the University of Florida Institute of Food and Agricultural Sciences's peer-reviewed articlesGo to source}
- If you are able to test soil pH or you are choosing between commercial potting mixes, select a soil with a pH between 4.5 and 8. This is a broad range, so it is likely that any soil that successfully grows other plants in your garden has the correct pH for papaya.
- If you want more of your seeds to germinate, use sterile potting mix. You can make your own by mixing one part vermiculite and one part potting mix, and baking this mixture in the oven at 200 degrees Fahrenheit (93 degrees Celcius) for one hour.
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You can use seeds scraped out of the center of a papaya fruit, or seeds purchased from a garden center or nursery. Press seeds against the side of a colander to break the sac surrounding the seeds, without breaking the seeds themselves.^{[3]XTrustworthy SourceEDISElectronic database of the University of Florida Institute of Food and Agricultural Sciences's peer-reviewed articlesGo to source} Rinse thoroughly, then dry in a dark location on a paper towel.
4
Plant seeds. You may plant seeds directly in your garden to avoid the risks of transplanting them later, or you may plant them in pots to have greater control of plant arrangement once you see which ones are sprouting. Poke the seeds into the soil about 1/2 inch (1.25 cm) under the surface and about 2 inches (5 cm) apart from each other.
- Plant as many seeds as you have room for to increase the odds of both male and female plants sprouting; you can remove the weaker plants later on. There is no feasible way to tell whether a plant is male, female, or hermaphroditic before planting.^{[4]XResearch source}
Water thoroughly after planting, but do not soak to the point that standing water forms on the soil. Monitor the moisture over the next few weeks and water as necessary, keeping the soil slightly damp, but not soggy.
6
Determine which seedlings to keep. Approximately two to five weeks after planting, some of the seeds will germinate, and emerge through the soil surface as seedlings. After giving them a week or two to grow, pull out or cut the smallest seedlings, along with any seedlings that appear withered, spotted, or otherwise unhealthy.^{[5]XResearch source} Cull plants until you have only one plant per pot, or the seedlings are at least three feet (0.9m) apart. Keep at least five plants for now for a 96% chance or higher to produce both male and female trees.^{[6]XResearch source}
- Once you've chosen your most successful plants, move on to the section on planting, if transplanting to your garden, or the section on general care otherwise.
7
Once plants are flowering, remove excess male plants. If you still have more plants than you want to end up with, wait until the plants are about 3 feet (0.9 m) tall to see what sex each plant is. The male plants should flower first, producing long, thin stalks with several flowers. Female flowers are larger and near the trunk. In order to produce fruit, you only need one male plant for every ten to fifteen females; the rest can be removed.^{[7]XResearch source}
- Some papaya plants are hermaphroditic, meaning they produce both male and female flowers. These plants can pollinate themselves.

Method 2

Method 2 of 3:

Planting a Growing or Mature Papaya Plant

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1
Build a dirt mound if necessary to avoid water. If there are heavy rains or floods in your area, build a mound of soil 2–3 feet (0.9 m). (0.6–0.9 m) high and 4–10 feet (1.2–3.0 m). (1.2–3 m) in diameter.^{[8]XTrustworthy SourceEDISElectronic database of the University of Florida Institute of Food and Agricultural Sciences's peer-reviewed articlesGo to source} This will help keep water from pooling around the papaya's roots, reducing the chance of injury or death.
- Read the instructions below before you build your mound, to learn about soil preparation.
Make the hole three times as deep and wide as the planting pot or root ball, in the plant's intended permanent location. Choose a sunny, well-drained location, about 10 to 20 feet (3.1 to 6.1 meters) from buildings or other plants.^{[9]XTrustworthy SourceEDISElectronic database of the University of Florida Institute of Food and Agricultural Sciences's peer-reviewed articlesGo to source} Make a separate hole for each papaya plant.
3
Mix an equal amount of compost into the displaced soil. Unless your garden soil is already rich in nutrients, replace some of the soil in the hole or mound with compost and mix thoroughly.
- Do not mix with manure, as this can burn roots.
Papaya trees can die from disease after transplantation. Follow the instructions on a gardening fungicide and apply it to the soil to reduce this risk.
Add the altered soil back into the hole or pile it in a mound, until the remaining depth is roughly equal to the depth of the potting soil or root ball of the plant being transplanted. Remove the papaya plants from their containers, one at a time, and plant each in its own hole at the same depth as it sat in the container. Handle them carefully to avoid breaking or scraping the roots.
Fill the remaining space in the hole with the same soil. Pack gently to remove air pockets if the soil isn't filling the spaces between the roots. Water the newly planted papaya seedlings until the soil surrounding the root ball is thoroughly moistened.

Method 3

Method 3 of 3:

Caring for Papaya Plants

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Apply fertilizer once every two weeks. Apply fertilizer to growing plants every 10–14 days, diluting it according to the fertilizer's instructions. Use a "complete" fertilizer, not a specialized one.^{[10]XTrustworthy SourceEDISElectronic database of the University of Florida Institute of Food and Agricultural Sciences's peer-reviewed articlesGo to source} Continue to apply at least until the plants are about 12 inches (30 cm) tall.
- After the plant reaches this size, commercial growers continue to fertilize papaya every two weeks with 1/4 lb. (0.1 kg) complete fertilizer near but not touching the base of the plant. Follow this practice if you would like to hasten the plant's growth, gradually increasing the amount of fertilizer and length of time between applications until the papayas receive no more than 2 lb. (0.9 kg) every two months starting at seven months old.
Papayas can be easily damaged by standing pools of water, but may not produce sizable fruit without regular water access. If planted in loam that holds water well, water no more than once every three or four days. In sandy or rocky soils, increase this to once every one to two days during hot weather.^{[11]XTrustworthy SourceEDISElectronic database of the University of Florida Institute of Food and Agricultural Sciences's peer-reviewed articlesGo to source} Allow a few more days between waterings during cooler seasons.
Apply pine bark, another bark mulch, or wood chips around the base of the plant if you need to reduce weeds or if the plant looks withered from failure to retain water. Layer 2 inches (5 cm) of mulch around the papaya, no closer than 8 inches (20 cm) to the trunk.
Spots or yellowing on leaves or bark indicate possible disease. Black spots on the leaf won't typically affect the fruit, but may be treated with fungicide if the infection is severe.^{[12]XResearch source} Curling leaves may be a sign of picking up herbicide from a nearby lawn.^{[13]XResearch source} Other problems, including insects or full plant collapse, may require consulting an expert gardener or local agricultural department.
Tart, green fruits may be eaten as a vegetable, but many people prefer fully ripe, yellow or orange fruits for their sweet taste. You may harvest anytime after the fruit is mostly yellow-green, if you would like them to finish ripening indoors, away from pests.

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Question
How old does a papaya tree have to be to bear fruit?
Community Answer
In hot regions, 6-9 months, and they're ready to harvest. In more temperate areas, 9-11 months, and they're ready to harvest.
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Is it possible to transplant a larger plant in a field?
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A medium size plant can be successfully transplanted. If it is too large, then maybe cut it and plant. Papaya plant will grow even if it is cut from the top.
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Can a papaya seedling be a house plant?
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Yes and no. You can have one, but it will eventually grow too big to keep inside.
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Tips

When sprouting papaya seeds, make sure to remove the black gelatin layer surrounding the seed to speed up the sprouting process.
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Refrigerate fully ripened papaya fruit in the refrigerator to extend its life and its prosperity.
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Warnings

Do not mow or weed eat close to the papaya tree, as you may inadvertently hit and damage its trunk. Keep a grass-free space approximately 2 feet (.9 m) surrounding the papaya to reduce the need for weed control underneath.
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Refrain from fertilizing the lawn around the papaya tree. Its roots extend farther than its drip line, and excessive lawn fertilizer may damage the roots.
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