Purdue #1 Black Walnut Tree
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Purdue #1 Black Walnut Tree
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Growth Facts

Purdue #1 Black Walnut

Juglans nigra 'Purdue #1'

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Purdue #1 Black Walnut trees are genetically superior black walnut trees with one of the fastest growing rates of 3 to 4 feet a year!

Black walnut are large trees maturing to 70-100 feet tall! The wood is prized throughout the world for its beautiful color, strength, and durability. Their nuts are strong in flavor and have the highest content of protein! Growing best in deep fertile soil, Black walnut trees tend to be very cold tolerant and can outlive us all while still producing nuts beyond 50 years! Plant these legendary trees in your landscape today, and enjoy their handsome architecture and delicious nuts for you and the wildlife to enjoy!

Growth Facts

Recommended by Our Growers

The Story

The most sought after black walnut, Purdue #1 was created by Purdue University with intentions of creating black walnut varieties ideal in form, height, growth in diameter, and to help excellerate timber production. Purdue #1 is the top choice of plantation owners for timber and walnut production. For many people, Black Walnut is prized most of all for its heavy, dark, beautifully grained heartwood. It has become so valuable for furniture, cabinets, gunstocks, and veneer that most of the grand old specimens have been cut down… either by their owners or by poachers. “Walnut rustlers” have been known to steal mature walnut trees by cutting them down and air-lifting them out with helicopters. Pioneers destroyed many a tree in their day, too, often without a thought to the fine lumber they were wasting. They used the wood for railway ties, split-rail fences, and—gasp—firewood.

The Details

These trees are flying off the nursery! Purdue #1 is highly sought after by commercial walnut plantations due to its great form and quick growth. The yearly walnut crops are abundant and are tasty for eating. Black walnuts are ideal for use as timber; however, we think you will enjoy having Purdue #1 as a tree for attracting and observing wildlife.

Height: 75-100 ft
Width: 75-100 ft
Exposure: Full Sun
Foliage: Green
Zone: 4-9

How to Grow

Black Walnut is not hard to grow in most sunny sites, but it performs particularly well in deep, fertile, moist, well-drained soils. In such a site, it can grow surprisingly fast. Many people hesitate to plant Black Walnut because they’ve been told that the chemicals it contains kill many other plants growing nearby. The science seems to indicate that this is largely a myth. You’ll want to be sure to plant your tree well away from walkways, pools, and patios, however. The nuts, encased in a thick husk, are large and heavy, and you don’t want to be under them when they fall.

Size Guide

Size Guide Scale

Scale

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Purdue #1 Black Walnut Tree