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Sweet flavor and smooth texture. This hearty variety produces large nuts — 14-18 per pound! Originates from Nevada City, CA. Introduced in 1925. Hybrid chestnut. Cold-hardy. Ripens in mid to late September. Pollen sterile. For proper pollination, plant two or more Chestnut Seedling Pollinators or other chestnut varieties.


Bloom Color Cream, White
Fruit Color Brown
Fruit Size Large
Pollination Pollinator Needed
Ripens/Harvest Mid-late September
Shade/Sun Full Sun
Soil Composition Loamy
Soil Moisture Well Drained
Soil pH Level 5.5 - 6.5
Taste Sweet And Mellow
Texture Smooth
Years to Bear 3 - 5
Zone Range 4 - 8

Zone Compatibility

This Variety's Zone Range 4 - 8
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

The mature size of this variety depends on the version you choose to plant:
Item #8909: 25 - 30' Tall X 30 - 35' Wide
Item #136829: 30 - 35' Tall X 30 - 35' Wide

Recommended Spacing

We recommend spacing these trees 30 - 35' apart to ensure room for growth.

Recommended Pollinators

This variety requires another one for adequate pollination.

Cross-pollination by a different variety is key to its growing and bearing success. Our experts recommend planting one of the following within 50' for optimum pollination.

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 chestnut trees in The Growing Guide. An entire section of our website dedicated to your growing success.

Shipping Information

Estimated Delivery Date

You don't pay until it ships.

We work hard to make sure that your order arrives at the ideal time for planting in your location. That's why we only ship living products during certain times of the year. Order now and your credit card won't be charged until your climate is suitable for planting success and your order is shipped.

Our Promise of Satisfaction

1 Year Warranty

Every order comes with our promise of satisfaction. If you aren't completely satisfied with your order, let us know within one year for a free one-time replacement or refund.


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Questions & Answers

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Browse 3 questions Browse 3 questions and 4 answers
Why did you choose this?
Stark Bro's Store
We lived in Europe and loved to eat hot chestnuts! We hope these will thrive at our house. The trees are also very beautiful.
Emily W on Jan 22, 2018
We lived in Europe and loved to eat hot chestnuts! We hope these will thrive at our house. The trees are also very beautiful.
Emily W on Jan 22, 2018
I have seen these nuts and they are awesome
julian m on Jan 10, 2017
I have seen these nuts and they are awesome
julian m on Jan 10, 2017
is it resistant to chestnut disease like american chestnut blight?
Fred D on Oct 16, 2016
BEST ANSWER: Colossal is an American chestnut, which is not blight-resistant. Here is a link to a Chinese Chestnut, which is resistant:
My zip code (95959) is for Nevada City, the origin of the tree. Yet you say that the tree is incompatible with my zone. How can that be???
virtualrick on Apr 25, 2017
BEST ANSWER: It might be that your zone was updated to 9A when the USDA revamped their zone map and data. Since 9A is a cooler part of a zone 9, and fairly similar to a zone 8B, then you should still be able to grow this variety successfully there, especially since it originated from your location.

Customer Reviews

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growing well
Have had this in the ground and all is well. Plant arrived happy and healthy and is doing well through this Spring. Had to cage them as the deer will browse and horn them. Hopefully in a few years it will be bearing well. Just like my other trees from Stark. Have tried bare root trees from other vendors with mixed success, these already rooted and in soil are doing better and will take at least one less year to bear.
May 6, 2017
1 year ago