Chestnuts are affected by a number pests, including insects that burrow into both the wood and the nuts during their worm-like larval stages. If tunnels are found inside the nuts, the chestnut weevil is the most likely culprit. Minor infestations of chestnut weevils may not be enough of a problem to bother the casual grower. Of course, the American chestnut tree’s enduring natural beauty completes the look that you can only get from antique wormy chestnut flooring. Wormy Chestnut is not a distinct species of Chestnut, but rather refers to American Chestnut (Castanea dentata) trees that were killed by the chestnut blight of the early 1900s, which were subsequently damaged by insects, leaving holes and discoloration in the standing trees. Our Antique Wormy Chestnut comes from salvaged barns and smaller mills. Insecticide applications are effective in controlling severe outbreaks, but are impractical for homeowners because of the logistical difficulties involved in spraying large trees like chestnuts. Millions of trees died over the course of a few decades and the dead wood was invaded by timber borer beetles that left their tunnels in wood that made its way into homes and furniture construction. are produced on large deciduous trees throughout the temperate regions of the world. This tree was devastated by a blight starting in 1904 and is only found through he reclamation process. AS IS CHESTNUT PLANKING. Lumber from American Chestnut trees was still available for about ten years after the blight. When the nuts fall, the larvae emerge from the shells and crawl into the ground where they eventually develop into adult beetles, completing the life cycle of the pest. There are 206 wormy chestnut wood for sale on Etsy, and they cost $299.81 on average. Brian Barth works in the fields of landscape architecture and urban planning and is co-founder of Urban Agriculture, Inc., an Atlanta-based design firm where he is head environmental consultant. The wood is highly valued for the unique appearance made by the worm tunnels. Chestnuts (Castanea spp.) The most common wormy chestnut wood material is wood. It has small pinhead-sized holes in it. Further, the loss of this rich food source for wildlife was tragic. The most popular color? What Are the Causes of Dark Bitter Spots on Pecan Meats? The chestnut weevil is the most significant chestnut pest in commercial orchards, though home growers may occasionally experience outbreaks. Almost every American chestnut (Castanea dentata) was killed in the first half of the 20th century by a fungal blight introduced from Chinese chestnuts that the American species had no resistance to. It is most commonly available in an average 1″ or 2″ thickness and a variety of widths up to 10″ with occasional wider pieces. | Home Guides | SF Gate This damaged wood was called “wormy chestnut” and was used for the manufacturing of picture frames and other small articles. “Wormy” chestnut refers to a defective grade of wood that has insect damage, having been sawn from long-dead blight-killed trees. “Wormy chestnut" wood sawn from these trees is still available today. The weevil grubs are typically less than one-half inch in length and emerge through small holes in the shell of the nuts when they drop to the ground in fall. In addition to giving your living or work space a look and feel that are truly unique, installing reclaimed wormy chestnut flooring instead of newly manufactured flooring helps to protect the environment. The nut-producing oaks and hickories that grew in the forests only partially filled the gap left by American Chestnut. Wormy Chestnut Lumber. It's highly sought after for it's warm rustic appearance. He holds a Master's Degree in Environmental Planning and Design from the University of Georgia. However, infected nuts can be treated after harvest to prevent the unpleasant experience of biting into a grub. © Copyright 2020 Hearst Communications, Inc. What Is the Difference Between Horse Chestnut & a Chestnut Tree? Freezing the nuts at 0 degrees is also effective. After the nuts have dried, heat them for half an hour at 140 degrees to kill the worms. However, the simple practice of picking up the nuts as soon as they drop goes a long way in preventing more serious infestations of the chestnut weevil. Preventing this from occurring breaks the life cycle and keeps weevil populations under control. Why Do Chestnuts Have Worms in Them? Although larger trees are no longer available for milling, much chestnut wood has been reclaimed from historic barns to be refashioned into furniture and other items. The trees were then subsequently harvested and converted into lumber. There are American, Asian and European species that can be grown in U.S. Department of Agriculture plant hardiness zones 4 through 9, depending on the variety. The larvae of chestnut weevils (Curculio spp.) are whitish worms that feed on the flesh of the nuts as they develop. How to Keep Worms Out of My Chestnut Trees, University of Kentucky Entymology: Nut Weevils, University of Virginia Mountain Lake Biological Station: American Chestnut. His blog, Food for Thought, explores the themes of land use, urban agriculture, and environmental literacy. Often the chestnut trees that were left standing were infested with small borers which chewed pin-sized holes into the wood. Wormy chestnut wood has a devastating story behind it. Originating from barns on the east coast dating back to the 1800’s, wormy chestnut planking is available in an “As Is” condition with the visible hardware removed and end damage trimmed.