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Stark® Kwik-Krop® Walnut

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A Stark Bro's Exclusive!

Bears sooner than most walnut varieties. This lovely landscape tree creates cooling shade and produces large crops of rich, flavorful easy-to-shell black walnuts. Cold-hardy and heat-tolerant. Matures to be 40 to 60 feet tall. Ripens in early October. Grafted. Self-pollinating. (Juglans nigra)

125% Survival Guarantee!

Since 1816, Stark Bro’s has promised to provide customers with the very best fruit trees and plants. It’s just that simple. If your trees or plants do not survive, please let us know within one year of delivery. We will issue a one-time merchandise credit to your account equaling 125% of the original product purchase price. Read more about our warranty policy.


Bloom Color Green, Yellow
Distance To Pollinator 75 - 250'
Fruit Color Brown
Fruit Size Large
Pollination Self-Pollinating
Ripens/Harvest Early October
Shade/Sun Full Sun
Soil Composition Loamy
Soil Moisture Well Drained
Soil pH Level 6.5 - 7.0
Taste Mild
Texture Crunchy
Years to Bear 3 - 5
Zone Range 4 - 9

Zone Compatibility

This Variety's Zone Range 4 - 9
My Hardiness Zone ?
The USDA hardiness zones offer a guide to varieties that will grow well in certain climates. Each zone corresponds to the minimum winter temperatures experienced in a given area. Make sure that your hardiness zone lies within the zone compatability range of this variety before ordering.

Size & Spacing

Mature Size

When your tree matures, it will be approximately 40 - 60' tall x 40 - 60' wide.

Recommended Spacing

We recommend spacing these trees 40 - 60' apart to ensure room for growth.


This variety is self pollinating.

In many cases, you may still want to plant pollinating partners to increase the size of your crops, but with self-pollinating varieties doing so is optional. You'll get fruit with only one plant!

Tools & Supplies

Having the proper tools and supplies when growing your own can make the difference between a good harvest and a great harvest! Here's a list that our experts recommend for this variety.

Planting & Care

Learn all about how to grow walnut trees in The Growing Guide. An entire section of our website dedicated to your growing success.

Shipping Information

Estimated Delivery Date

This item is currently out of stock.

Arrives when it's time to plant

Your success is our priority. We work hard to make sure that your order arrives at the ideal time for planting in your location based on your local climate conditions.


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Questions & Answers

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Browse 2 questions Browse 2 questions and 8 answers
Why did you choose this?
Stark Bro's Store
I have other walnuts growing and they have staked their territory out.Hopefully they mutually benefit from each other ,pollination etc.
Ken K on Sep 29, 2020
It is supposed to be cold hardy enough to grow here, doesn't require a pollinator, and is supposed to produce nuts in a few years.
KENNETH L on Oct 8, 2016
I have other walnuts growing and they have staked their territory out.Hopefully they mutually benefit from each other ,pollination etc.
Ken K on Sep 29, 2020
Easy to shell
Fred on Jun 26, 2020
It is supposed to be cold hardy enough to grow here, doesn't require a pollinator, and is supposed to produce nuts in a few years.
KENNETH L on Oct 8, 2016
My family loves walnuts so I am looking forward to the future years of having walnuts not just for the family but the wildlife as well.
Anna S on May 17, 2016
Love Walnuts! Bonus of a shade tree with edible benefits!
Gardner H B on Apr 24, 2016
This tree will fit into my front yard, eventually providing shade, and needs no pollinator.
Ann D on Apr 9, 2016
Easy to shell
Fred on Jun 26, 2020
My family loves walnuts so I am looking forward to the future years of having walnuts not just for the family but the wildlife as well.
Anna S on May 17, 2016
Is this tree toxic to fruit trees and/or other types of trees?
Saira S on Apr 5, 2018
BEST ANSWER: Yes, this tree is a black walnut (Juglans nigra). It is allelopathic, meaning that it produces a substance that prohibits the growth of some other plants in its vicinity. There are plants that will grow just fine around it and there are others that will not. If you google it you can find lists as to what will work. Google "juglone tolerant/intolerant plants".
If you have an area in which nothing is yet planted and want to include black walnut, you can plant a "Black Walnut Guild" as described in permaculture. It could consist of walnut, elderberry, raspberry, currants, wolfberry and mulberry. These are tolerant of black walnut.
If you have existing plants in the vicinity of the desired location then I would look at a few lists online and determine if they are juglone tolerant. The lists can very as well as the results because of individual plants and environmental factors. For instance, i have an old apple tree on my property that I would not risk planting walnut by. But, I have seen trees like Norway Spruce that are usually listed as "juglone intolerant" growing just fine quite near to them. So it is not an exact science.
Hopefully you will be able to find a suitable area to plant one of these trees. They are beautiful and majestic. They are not as common as they once were do to the high value of the wood and deforestation in general. If you can however, they are well worth planting.

Customer Reviews

4.2 / 5.0
10 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
It's grown like crazy!
It took beautifully. It's nearly 10' tall after just over a year. It looks healthy & happy in my zone 4 backyard. It's the quality I've come to expect from Stark. The packaging is always top notch too. No regrets!
August 3, 2016
over 5 years ago
Kuick Crop Walnuts
So far we are happy with our little walnut trees. The deer aren't accustomed to them so nibbled on my butternut tree which is native, vs the walnut trees. We are considering getting more of them and replacing some of the fruit trees in our orchard that froze out so they will have access to full irrigation vs. just being a lawn tree. No one else up here sells nuts at farm markets, so we plan to give it a try. As with any tree, you have to be patient to allow it to mature to the fruiting stage.
May 5, 2016
over 7 years ago
Stark KwikKrop Walnut
It looked nice but did not come back this passed spring. maybe it is the soil. lot of clay.
November 9, 2016
over 7 years ago
Beautiful tree with first crop in 5 years.
The tree grows with a beautiful shape with long narrow leaves and has it first nuts this year, its 5th year of growth, about 12 foot tall. So glad I planted it!
June 21, 2020
Still growin....
Have bought Stark Kwikkrop Walnut over a number of years. My oldest is probably 4 yrs old now (11 total walnuts planted/ 3various species). I am still waiting for my first walnut so should be coming along in the next few years. I am in zone 4 and about the beginning of June, I get browning of probably 70% of the new leaves on my walnut trees. At first I thought I was over fertilizing but I did not fertilize last year and still got the browning. They seem to grow through the browning and continue to grow through the season so do not know what causes this. Other than that, I am happy with my purchase. Thank you
Ray H
June 15, 2017
over 4 years ago
Hearty so far but no nuts
We have one tree that is 4 years old and one that is 3 years old. Neither is over 5' yet or producing any walnuts. I feel that the description is a bit misleading by stating that it will produce between 2-5 years. They do look healthy and hearty so maybe next year on the 4 year old one but highly unlikely as it is still shy of 5' tall. We purchased one as a gift for a neighbor who lost their father and it is progressing the same as ours. Time will tell.
May 3, 2018
over 4 years ago
Arrived in visually good condition. Property planted and maintained but it died within one year. I would be willing to try another one. Would like to see a lower cost because it is often 50 50 chance of survival with this stock and planting.
May 1, 2019
over 2 years ago
Response from Stark Bro's
Thank you for your feedback. I'm very sorry to hear about your nursery stock. If your purchase was within the last year, please contact Customer Support at 800-325-4180 for replacement information.
May 2, 2019
Tabitha R
Stark Kwik-krop Walnut
I purchased this tree in 1986 The nuts are big & fast This year already on one of the lower limbs which was dragging the ground i had to thin some nuts. Very nice Tree
June 16, 2019
Good growth for a slow growing tree.
Got 3 years ago, has taken good root and is now getting 1’-2’ of new growth a year. I would order again.
August 4, 2019
over 4 years ago
Kwick Krop Walnut Tree
Bought one of these and one Northern Prize just to see how they would do in
Southern Wyoming. Too soon to tell what spring will bring but these two grafted trees were so strong and fantastic when I got them last fall I am most optimistic and cant wait for warm weather. I plant to get more of both of these as soon as available.
February 20, 2016
over 5 years ago