Guide on How to Grow Walnuts from seed

How to Grow Walnuts Tree From Seed [Practical Guide]

Growing walnuts can be a fun and rewarding activity for the whole family. Walnuts are a healthy and nutritious food to grow, and they also have significant antioxidant properties.

To grow walnut, you need to select a planting site, prepare the land, gather and prepare seedlings, plant the seeds, irrigate and fertilize the plant, weed control, and harvest. 

When you grow walnuts in your backyard or garden, you can have them at any time of the year. This article will teach you how to grow walnuts and provide some tips along the way.

How To Grow Walnuts Step By Step Guide

Grown walnuts are fun and moderately challenging. If you follow the steps discussed below, you can grow your nuts.

Step 1 – Select a Planting Site

Walnut species require high-quality soil. This step is especially critical if you are starting a walnut farm. Select a site with well-draining, loamy soil that is at least three feet (0.9 m) deep. Cool riverbanks, foothills, and seaside areas are better options.

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Sites surrounded by hills, where cold air masses cannot easily escape, should be avoided. Likewise, avoiding getting land where excess rainwater can accumulate and fail to drain properly should also be avoided.

Soils with pH levels between 6.0 and 6.5 are ideal, but pH levels ranging from 5 to 8 are acceptable.

Step 2 – Prepare the Land

After acquiring land that meets the requirements, it is time to clear the site. Before planting, remove any existing plants, trees, and other unsuitable plants from the planting area. I recommend that you cultivate the field to allow the soil become aerated.

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Step 3 – Acquire or Gather Seedling

Walnuts have hundreds of varieties each with its unique climate and disease resistance. That is why we recommend that you acquire or gather walnut seedlings that meet the climatic condition of your location.

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You can gather fallen walnut seeds to plant or you can purchase seedlings from a reliable source or consult a local forester or search online for a species and variety that is specialized for your climate and intended use.

Step 4 – Prepare Seedling

First, you will have to soak your walnuts in a bucket of water for up to three days so that their green outer skins will soften and then pill the husk away.

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After peeling off the back, you should peel and cut their soft skin using a pocket knife to cut into their softened skin to reach their distinctive brown shells.

After peeling the number of seeds you intend to plant, you have to keep them moist and begin the germination process. You should place the seeds in an airtight container or sealed plastic bag and then place them in the refrigerator for approximately 90 to 120 days (3 to 4 months max).

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Step 5 – Plant the Seeds

After 3 or 4 months, check to see if the seeds have small sprouts that poke out of the top of their shells. Sprouted seeds should be removed from the fridge and keep them moist.

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Note: the best time to plant your seed is in Spring when there will be enough sunshine and a cold climate that will continue to foster seed germination.

Rather than make farm beds, walnuts are planted in small holes. Dig small holes about 2-3 inches deep and put the walnuts sideways in them, and cover the seed in the hole with soil. When planting multiple trees, space the holes in a grid 12-17 feet apart. You should water the plants immediately after you plant them.

Step 6 – Irrigate and Fertilize the Plant

You need to water the plants thoroughly within the first two years of germination.  Make sure you water the plant minimum of twice a week.

Step 7 – Weed and Pest Control / Mulching

You need to remove weeds that grow alongside the plants to compete for space and nutrients. Weeding should be done regularly if you’re growing your tree from a seed. Likewise, you need to find effective means of keeping pests at bay, especially squirrels that are easily attracted to walnuts.

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Also, you should add mulch to the soil around your walnut tree to help keep the weeds away from your tree’s root system.

Step 8: Fertilizer Application

Apply fertilizer when the tree has grown at least 4.5 feet above the ground.

Step 9 – Harvest

You can harvest your ripen walnut seed manually or mechanically. You can shake the tree branch so that the walnut fall and then pick them from the ground. Likewise, you can make use of shakers, a big vibrator machine attached to the tree trunk to shake the tree so that the walnut falls to the ground.

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How Long Does It Take To Grow A Walnut?

Growing walnut requires a lot of patience. It will take 5 to 7 years for walnuts to grow into a mature adult plant

Can You Grow a Plant From A Walnut?

You can grow a plant from a walnut. However, you must first expose the walnut seed to a cold temperature and moist condition before it can germinate.

Where Do Walnut Trees Grow Best?

China, Iran, the US, Turkey, and Mexico all have the best weather and soil condition for walnut farming.

How Much Is A Walnut Tree Worth?

There is no definite price tag for a walnut tree. But, the cost of a walnut tree depends on the size and specie. Also, the price depends on the seller as well.

Do Walnut Trees Need A Lot Of Water?

Walnut trees need a lot of water, especially during the first 2 to 3 years of germination. In the same vein, don’t overflood the farm as this can make the seed rot.

Will Store Bought Walnuts Grow?

You can plant store-bought walnuts. You simply soak the nuts in water for 24 hours. After that, remove the walnut from the water, pour the seeds inside a plastic bag and refrigerate for about two months.

Are Walnuts Poisonous To Humans?

Black walnut varieties contain a certain chemical type called “juglone”. This chemical is toxic and can cause severe poisoning effects in humans.

What Climate Do Walnuts Grow In?

Walnuts grow in a temperate climate. This implies the plant needs prefer a cool climate.

Can You Eat Walnuts Straight From The Tree?

You can eat walnuts straight from the tree immediately just after it drops from the tree.

How Do You Start A Walnut Tree?

To start a walnut tree, you have to get a walnut seed and prepare the seed for planting by soaking the seed in water for 3 days and then place in a plastic bag and put in the refrigerator for 4 months.

The seed should be removed after the sprout is visible. The seed should be planted in moist soil and watered immediately. The plant should be watered routinely and weeded. It will take 5 to 7 years to grow into a mature fruiting tree.

How Much Does A Small Walnut Tree Cost?

The cost of a small walnut tree differs ranging from $200-$600 for each tree. However, the price depends on their size, variety, and root structure.

What Tree Is Worth The Most Money?

The African Black Ebony tree from Gabon is worth up to a million dollars. The tree is this valued because of its rareness and scarcity.

How Big Is A 20-Year-Old Black Walnut Tree?

A 20-year-old black walnut tree is about 70 to 80 feet tall.

How Big Is A 50-Year-Old Black Walnut Tree?

A 50-year-old black walnut tree grows as tall as 100 to 120 feet and 30 to 40 inches in diameter.

What State Has the Most Walnut Trees?

California is the state with the most walnut trees in the United State.

How Long Do Walnut Trees Live?

Walnut trees have a long lifespan. It may have a life span reaching 150 years stretching even to 200 years.

What Are Black Walnuts Worth 2021?

Black walnuts are worth $20 in 2021 per hundred pounds. Meanwhile, a pound of black walnut cost around $8 to $10.

What Animals Eat Black Walnuts?

Squirrels, Raccoons, Turkeys, and bears are some of the animals that eat black walnuts.

Are Black Walnuts Toxic?

Black walnut produces a toxic chemical known as juglone. The chemical is extremely strong that it can kill off any vegetative growth around the tree.

Can You Sell Black Walnuts?

Yes, you can sell black walnuts in the market, store, stands, and any other available spaces you can sell.

Will Deer Eat Black Walnut Trees?

Yes, deer eat black walnut trees alongside that other trees, especially during the winter season.

Can Dogs Eat Walnuts?

English walnut is found to be appealing to dogs. However, black walnuts are toxic for dogs.

Why Do Black Walnuts Taste Funny?

Black walnuts taste funny having this distinctive bitter soapy flavor because the walnuts lay in the green hulls for a long time before turning black allowing tannin and juglone to penetrate the shell and stain the pellicle of the kernel.

How To Grow Walnuts From Seed

Walnut seeds require stratification before they can germinate. This is done by covering the plant with a plastic bag and leaving it on the ground for 1 to 3 months in a cool, dry place.

Once stratification has been completed, remove the bag and plant the seeds in pots or bare-root. The soil should be moist. Seeds should be planted in spring and maintained at the recommended temperature (60-65 F) throughout the summer.

Water once a week during dry spells and more often during wet weather.

How To Grow A Walnut Tree In A Container

It is critical to use well-draining soil and ensure that your container has plenty of drainage holes. Walnut trees require a lot of natural light or light shade to thrive. So, you will have to place your container in an area where it will receive enough sunlight.

Keep the soil around your tree moist but not soggy, as overwatering can cause rotting.

After about four weeks you will have seedlings that can be transplanted into your larger container.

How Long Does It Take To Grow A Walnut Tree From Seed

You can grow a walnut tree from seed but you will have to be patient because it will take 5 to 7 years to grow into maturity.

Walnut Seeds

Walnut seed is a good source of protein, vitamins, and minerals. It is also a good source of fiber, calcium, and phosphorus. Walnuts contain triterpenes and pectin that may have antioxidant properties, therefore it can help to maintain bone strength and heart health.

How To Grow A Walnut Tree From A Nut UK

To grow a walnut tree from a nut in the UK, you have to look out for and gather fresh walnut seeds. You can also purchase from a store. Then prepare the seed by soaking it in water for a few days and remove the outer green skins from around their shells and cold-stratify the seeds by placing them in a plastic bag and store in a refrigerator for 3 to 4 months by the time which the sprout is visible.

Seeds with sprouts should be planted on a prepared farm site and water the seedlings. Continue to tend the farm removing weeds and watering throughout the early 2 to 3 years of the germination stage.


Growing your walnuts is the best way to ensure you get the absolute freshest, ripest, and most flavorful nuts possible, but it can be a challenge. Make sure you follow the steps discussed in this material to grow your walnuts and get the nutty taste of nature at home!


Author: David

David is a Kenyan farmer from the rural village of Nairobi. Growing up, he was surrounded by the beauty of the Kenyan countryside, which sparked his passion for farming. After completing his education, he decided to pursue a career in agriculture and has since dedicated his life to providing food for his local community. David is an experienced farmer and is experienced in a range of agricultural practices, including crop rotation, animal husbandry and soil management. He is passionate about promoting sustainable agriculture and is actively working to reduce food insecurity in his community.

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