How To Grow A Cashew Tree | Growing Cashew Nuts

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This article has all the basic growing and planting information that is going to help you with How to Grow a Cashew Tree!

Table of contents

1. Position
2. Soil
3. Water
4. Fertilizer
5. Pruning
6. Mulching
7. Pests and Diseases

Cashew nuts are easy to grow, but they require a more specific environment and growing conditions. If you can provide that environment, you can plant a cashew tree and enjoy the nuts and fresh fruits that are known as cashew apples.

Botanical Name: Anacardium occidentale

USDA Zones — 10 – 11

Other names — Maranon, Noix d’anacarde, Caju, Kaju, Mundiri, Kazu, Pajuil, Paringi mavu

Cashew Nuts Tree Growing Information

Cashew originates from the Caribbean Islands and the North East of Brazil. But today it is grown in several other tropical parts of the world, mostly in Africa, India, and Southeast Asia. Cashew trees can grow up to 6-12 meters (20-40 feet) high. Its evergreen leaves are oval, leathery, and dark green.

As for the fruits of this tree, do not be fooled by appearances. The cashew apple is oval-shaped like a bell pepper–yellow, orange, or red in color is a false fruit (it is also edible). The real fruit, more discreet, is a nut attached to the end of the fake fruit. It is that which contains the edible kernel, which we call Cashew.

How to Grow a Cashew Tree from Seeds?

Cashew trees can be grown from seeds, air layering, and grafting.

To propagate it from seeds, you will need a matured unshelled nut (seed). These seeds are viable for up to 4 months. If you have collected the fresh seed from the tree, dry it in the sun for 3 days and soak it in water overnight before sowing. Sow the seeds in a good quality seed starting mix; the seeds will germinate anywhere from 4 days to 3 weeks.

Can You Grow Cashew Trees in Pots?

Yes, it is possible to grow a cashew nut tree in a pot. To do so, buy a well-grafted tree from a nearby nursery and plant it in a medium pot. Once it outgrows the current pot in a few years, transfer it into one or two sizes bigger pots.

Requirements for Growing Cashew Nuts Tree

Position

Native to tropical regions, Cashew trees appreciate warm and humid climates. Ensure the tree receives a minimum of 6 hours of direct sunlight daily. Exposure to extended shade will inhibit fruit production and encourage pest infestation.

Soil

Cashew prefers a slightly acidic, well-draining, loamy growing medium with a pH of 5.5 to 7. Never grow cashew trees in clay-rich soil, as it does not appreciate waterlogging at all. If growing in a container, ensure the medium is amended with plenty of perlite, vermiculite, sand, or birch chips to aid drainage.

Water

Once established, cashew trees are moderately drought tolerant, but they produce more fruits if watered regularly. During the summer, water weekly or twice and deeply. Reduce or withhold watering during winter.

Overwatering can harm or even kill your cashew tree, so water only if the soil is dry and let the soil dry out between waterings.

Fertilizer

If growing a cashew tree in a pot, it needs regular fertilizer application to thrive and produce fruits. Use a 10:5:5 blend for healthy plant growth. Alternatively, you can use a balanced liquid fertilizer every 4-5 weeks after diluting it to half its strength.

Use slow-release fertilizer with N-P-K 8-3-9, according to the product instructions given on the packet, around the base of the tree every two to three months during the growing season. Also, apply compost or farm manure once a year, around 30 pounds (15 kg), on the surface of the soil around the base of a mature tree.

Cashew Tree Care

Pruning

Prune cashew trees regularly to remove weak, dead, and entangled branches and those infested with diseases or pests. Cut overcrowded branches to promote vigorous growth.

If you wish to create a canopy of a cashew tree, it is important to train it from a younger stage.

Mulching

Do mulching around your cashew tree with organic matter to prevent weeds and conserve moisture.

Pests and Diseases

If the cashew tree is in good health, it is generally pest-free. Major pests that pose a serious threat include the tea mosquito, stem and root borer, leaf Miner, and blossom Webber.

Keep a close eye on the leaves and blossoms, and take the necessary steps quickly when you spot pests or diseases.

Harvesting and Cashew Nut Processing

Harvest when cashew apples turn pink or red and nut shells are gray. After harvesting, separate the cashew apple from the nut.

Cashew apples can be eaten raw or used to make juice. Unshelled cashew nuts can be stored for up to 2 years. Do not attempt to break the shell before roasting; the shell contains very caustic oil that can burn skin.

When processing cashew nuts at home, you must wear gloves and safety glasses.

Cashew Nuts Growing Tips

• Sow fresh cashew seeds for germination, as they germinate easily.
• A tree grown from seeds takes 3 to 5 years to produce its first fruits. It is recommended to buy a potted plant from a nursery.
• Choose a location that is well protected from the wind.
• Cashew grows better when the temperature remains around 80 degrees Fahrenheit (25 C). However, they can withstand temperatures as low as 50 degrees Fahrenheit (10 C) and as high as 105 Fahrenheit (40.5 C) without any problem.
• Keep the area around the base of your cashew tree free from weeds, small shrubs, vines, and debris.
• Watch for dead branches and prune them if necessary.

Benefits of Cashew Nuts

Cashews are the most delicious and healthiest nuts and an amazing source of nutrients. Not only the cashew nuts but their fruit are nutritious, too. This nut offers several medicinal benefits, it is a rich source of vitamin C, five times more than an orange. It also contains higher amounts of calcium, iron, and vitamin B1, which is more than most fruits.

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