The American Hazelnut (Corylus americana) : A Versatile Native Nut

I spent most of my childhood in Indiana, and most of my adulthood as well. Yet, I didn’t know that we had a native hazelnut until I started this farm. The more I learn about this tree, the deeper in love I fall. Not only is this a very easy-going tree, but it’s also fast growing, quick to bear nuts, prolific, multi-useful, and adaptable. It can grow in sun and shade and anything in between, it can handle boggy soil and well-drained soil, and it can begin to produce nuts in only 2-8 years1. This species also offers highly valuable and diversified harvests. In addition to providing an edible nut crop, the wood of the American Hazelnut is valuable for basketry, garden structures such as trellises, and many other applications2.

I have planted a few hundred American Hazelnut trees here at Strawberry Moon Farm, but mine are not yet mature enough to produce nuts. Because of that, some of the information I am sharing with you now is first hand knowledge, and some has been gathered through reading, through discussions with other growers, and through my own recipe experiments with commercially available hazelnuts. I have done my best to include citations throughout this article as applicable, and also at the bottom of this article in the “Sources” section.

The American Hazelnut (Corylus americana), also known as American Filbert, is a small tree or shrub in the Birch family, with a mature height of about 8-16 feet and a spread of 8-13 feet3. It is native to Indiana, as well as most of the Eastern half of the United States and Canada4. Although our native hazelnut is a different species than most hazelnuts that are available commercially, it is closely related and similar in use. By most accounts, the nuts produced by our native tree taste like the more familiar European species, though they are smaller in size.

American Hazelnut Uses

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Hazelnuts are highly valuable as a food source. Hazelnuts are praised by most nutritionists as part of a healthy diet5 due to their protein, healthy Omega 3 fats, and numerous vitamins and minerals. They are also very versatile in the kitchen! Hazelnuts can be made into delicious nut milks, nut butters, oils, flours, or consumed whole raw or roasted as a snack. I find them to be an excellent replacement for almonds in every recipe I have tried.

Why do I need a replacement for almonds? As a person who eats a mostly plant-based diet including lots of nuts, I am concerned about the environmental impact of my consumption of almond, cashew, and coconut products. These popular nuts are grown far away from my home, carrying a hefty transportation footprint. Some of these nuts may be cultivated in unsustainable agriculture systems, or the product of exploitative labor practices. I believe sustainably cultivated, locally grown nuts are an important step on the path towards sustainability and community resilience. Native nuts such as the American Hazelnut are the ideal options for local cultivation, since native plants are well adapted to our growing conditions and have important co-evolution relationships with the native animals, insects, and soil microbes. When we grow native nut trees as a part of a sustainable agriculture system, we can help to heal our ecosystems and our communities.

Nuts in general are a long-keeping food that can help sustain local communities through the dormant season. Long keeping foods such as nuts, beans, root vegetables, and preserved foods can provide locally-grown nourishment. I have found that the raw, whole hazelnuts I purchase can last about a year when stored in a sealed container in my cool basement.

Growing American Hazelnut

This tree fills a very valuable niche in the food forest. It can form hedges, it can grow in shade, and it can handle some moisture. It is the fastest producing nut tree that I know of, with a bearing age beginning at 2-8 years. Most other nut trees require at least ten years of growth before they can bear nuts, and some (like the Shellbark Hickory) may even require 40 years! The American Hazel is small and shrubby

Although this tree is said to tolerate moist soils, in my own experience it is not well suited to high flood waters or periods of sustained flooding. I have had very low survival rates from this species in my wetland floodplain, but I am currently working to plant another hedge of American Hazelnut on higher ground in a slightly boggy area, which I expect to flourish. I also plan to replace some of the invasive honeysuckle bushes I am removing from my woods with American Hazelnut. I will continue to update you as that project develops.

Troubleshooting American Hazelnut

When I speak about American Hazelnut, people often comment that they have a tree, but it never produces nuts. Since this is such a frequently asked question, I investigated further. I found two theories as to the cause of this particular issue.

My first answer came from Chris Gonso of Worries Are Gone Farm. I visited Worries Are Gone Farm in September on a chestnut-related quest, and while I was there I was treated to a very informational tour of the grounds. Among the many wonderful sights on this farm, I saw a thriving population of American Hazelnut. There was a large hedge growing in one area, and many more individual shrubs interspersed under the forest canopy. I asked Chris all my hazelnut questions. His theory on the missing nuts: add more plants.

Some sources (such as SF Gate) claim that American Hazelnut is self-compatible (which means that pollen from one tree can fertilize blooms on the same tree). However, other sources disagree. Either way, since this species is wind pollinated, a large number of plants may be necessary to ensure adequate pollination. Wind pollination is a fairly inefficient means of pollination, and more plants means more pollen on the wind, which means more pollination, which means more nuts.

My second answer comes from the book “Native Plant Agriculture, Vol. 1”, produced by Indigenous Landscapes. According to the book, “We’ve observed that non-local genotype can struggle to set nuts possibly because the cross pollination is affected by climatic transplanting”. The author recommends purchasing seeds or plants that originate from as close to your own climate as possible to increase your chances of success.

The American Hazelnuts at Worries Are Gone Farm certainly seemed prolific. I even saw nuts on the bushes growing deep in the woods under the shade of the canopy! Chris reported much better productivity from the bushes he planted in full sun, but it was clear that some nut production can occur in shady plantings. Additionally, shady plantings can be grown and pruned for a wood harvest.

“American hazelnuts are a good option for folks looking for something hardy and resistant to filbert blight. They produce even after late spring freezes and I’ve never seen them miss a year in production. Their main drawbacks are a smaller sized nut compared to the European hazel and an extra step in processing as the nuts usually need to be removed from the husk. Overall, they are a joy to grow and work with with everyone in my family loving them, especially the kids.”

Chris Gonso, Worries Are Gone Farm

For Further Reading:

Native Plant Seed Sources and Resources
Tree Planting Startup Guide
Native Plants for the Woodland Edge
Native Plants of the Deep Woods
Two Years In Review: A Progress Report

Sources:

Hazelnut Trees Are Easy – Cornell Small Farms Program
USDA Plants Database – Corylus americana Walter
Worries Are Gone Farm
Indigenous Landscapes
Missouri Botanical Gardens – Corylus Americana
Plants For A Future – Corylus Americana
American Hazelnut – Arborday

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If you enjoyed this totally ad-free, affiliate-link-free, sponsored-content-free, subscription-fee-free, 100% honest free article, please consider sending some love my way! You can help further this cause of Earth-positive agriculture by commenting on this blog, sharing this article with your friends, following me on social media, and interacting with my posts. If you’re feeling especially generous, you could also toss me a few coins through a free platform called Ko-Fi, or make a purchase from my online shop. Thank you for reading.
“Be well, do good work, and keep in touch.” -Garrison Keillor

Celebrating A Job Well Done

In 2017, I received an EQIP (Environmental Quality Incentives Program) grant from the USDA Natural Resources Conservation Service. This grant pays part of my costs for the tree seedlings and seeds I needed to purchase to transition this land from corn/soy fields into tree crops and other perennial crops. It came with some restrictions, but the only restriction that concerned me was time. It was a huge project, and the grant required it be completed in only two years. Well, luckily for me I was awarded a one year deadline extension last year, because I fell a little short of that deadline. But today I planted the last tree and I can finally say it is complete!

These are the projects I’ve completed in the past three years, under guidance of my encouraging and knowledgeable NRCS representative and with help from my wonderful husband.

  • Grown a buckwheat cover crop in my three non-flooding fields, to help shade out weeds and provide good summertime forage for pollinators (but for one summer only).
  • Planted a permanent pasture grass blend in the same three fields, consisting of mixed grasses and legumes. This planting will reduce erosion on that land, keep the soil aerated so it can absorb maximum water, add biomass to the soil (mulch), and someday provide food for sheep, when we are ready for them. The clover included in the planting mix will also provide food for pollinators for years to come, and nitrogen to naturally fertilize the grasses.
  • Planted a native plant food forest on our two acre riparian flood plain. This project doubles as both an orchard and a wetland restoration. The soil is no longer bare, but now contains a tree every 10-12 feet, mown grasses down the tree rows, and strips of native herbs and wildflowers blossoming between rows. Not only does this planting help to clean and filter flood waters, reduce erosion, and create food and habitat for pollinators and wildlife, but when fully established, we expect these two acres of diverse native plant species will generate thousands of pounds of food per year with minimal human intervention.

If you enjoyed this totally ad-free, affiliate-link-free, sponsored-content-free, subscription-fee-free, 100% honest free article, please consider sending some love my way! You can help further this cause of Earth-positive agriculture by commenting on this blog, sharing this article with your friends, following me on social media, and interacting with my posts. If you’re feeling especially generous, you could also toss me a few coins through a free platform called Ko-Fi, or make a purchase from my online shop. Thank you for reading.
“Be well, do good work, and keep in touch.” -Garrison Keillor

Summer in the Riparian Buffer

One mowed row in the riparian buffer

The Riparian Buffer Native Food Forest project is well underway. It’s an ever-evolving work and while it will never be “finished”, the initial planting phase is on track to be complete this year. With every new year, we gain new knowledge and encounter new obstacles. This year, the dominant obstacle has been mowing. Little growing trees are not as tall as weeds, and they need help to get their quotas of sunlight and fresh air. Most farmers in a similar situation would likely spray herbicides to control weeds around the young trees, but we won’t do that here because we value the diversity of our ecosystem.

If I could start this project over again, I would have been mowing this area regularly this whole time with a regular riding lawn mower. But I had some misconceptions at the start: that I could maintain the area by mowing infrequently with a scythe, that frequent mowing wouldn’t be necessary, and that I’d be able to delegate the bulk of my mowing work to a few happy little sheep by now. I’m a natural researcher, but there isn’t a lot of documentation available on this subject, and none of those hopes panned out. Now I’m facing some pretty serious weeds. Three year old saplings, chest-high invasive grasses… add to that driftwood and large miscellaneous debris that regularly floats into our field on floodwater currents, and you’ve got an expert-level mowing situation. We have a riding mower with a pull-behind brush hog, which is able to handle the rough terrain. We’ve used it a few times to mow large spaces between planted rows, but the handling is not precise enough to be trusted anywhere near the small trees, and the operation is a complicated, multi-day effort involving two people guiding and coordinating the unwieldy beast. The riding mower alone could get fairly close to the saplings, but the deck cannot handle this much overgrowth. I was almost about to purchase an expensive new machine, when I saw my husband using our tiny electric battery-powered push mower to mow down some sturdy mulberry saplings near the rooster coop. I knew immediately that this unassuming little machine was up to the task.

An American Elder sapling, hidden among weeds

And so began the painstaking work of reclaiming the planted rows. Of course, the first job is locating the saplings, so I don’t accidentally mow them over. As you can see in the photo to the right, they’re hard to find. Especially because most of the stakes I used to mark them with last year floated away in one flood or another.

How do I find the trees? This treasure map! Actually, it’s a modern day treasure map, in the form of a google sheet. Every cell represents a 5’x5′ square. Text inside the cell tells me what species might be planted in that square. Highlighted colors denote topography. I’m able to update this sheet in real time from the field on my mobile device.

I use a surveyor’s tape (300′) to mark the row, joining the first tree in the row and the last tree in the row based on my spreadsheet notation. Then, I reapply marking stakes to any trees in the line that lost their stakes to flood currents. After the trees are all marked, I run the mower along the right side, then the left side of the planted row, coming as close to the little trees as possible. I often have to angle the front of the mower upwards, like a munchy mouth, then chomp it down over tall, tough weeds. After mowing along both sides of a planted row, I make a final pass to clear the area between planted trees. It takes 2-3 battery charges and about a day to complete one 300′ row. The maintenance work is much easier though, as long as the weeds stay short. I’m leaving wild strips between the rows, for wildlife habitat. These wild strips host important wildflowers such as milkweed, and give small animals safe places to hide, nest, and rest.

Permaculture Guild Area
This area was an attempt at a “Permaculture Guild” style design, and it was the hardest to mow. The trees aren’t planted in rows, they’re planted in concentric circles. That made them really hard to find, and created a lot of extra mowing work. This area was an experiment that will not be repeated. Yet, I mowed it!
Me standing next to a 3 year old pecan tree
This three year old American Pecan tree is nearly as tall as me! Delicious pecans in T-7 years!
All the hard work is worth it when I find a healthy little tree thriving with new growth like this yearling Swamp White Oak! Edible acorns in T-19 years.
A tiny American Cranberrybush hiding amongst the weeds. Hard to find, but worth it! T-3 years to fruit! This plant is a whole topic unto itself, and I’ll write a lot more about it. For now, suffice it to say, it’s not a cranberry.

If you enjoyed this totally ad-free, affiliate-link-free, sponsored-content-free, subscription-fee-free, 100% honest free article, please consider sending some love my way! You can help further this cause of Earth-positive agriculture by commenting on this blog, sharing this article with your friends, following me on social media, and interacting with my posts. If you’re feeling especially generous, you could also toss me a few coins through a free platform called Ko-Fi, or make a purchase from my online shop. Thank you for reading.
“Be well, do good work, and keep in touch.” -Garrison Keillor

Life in the Floodplain

“When the last tree is cut, the last fish is caught, and the last river is polluted; when to breathe the air is sickening, you will realize, too late, that wealth is not in bank accounts and that you can’t eat money.” -Alanis Obomsawin

This is my home, and I love it. Mosquitoes are everywhere, flood waters often interrupt my schedule, and none of the popular crops grow well here. But it’s wonderful. Some of the most exciting, nutritious, delicious food crops are native to this kind of habitat. And if I plant the right things, the flood waters will actually help my crops grow better by providing free fertilizers and no-work irrigation. Some fascinating animals live here too! On many a summer night, I am serenaded to sleep by a world class symphony of frog singers. I’ve met snakes and lizards and herons and eagles and fish and butterflies. It’s a challenging, but very rewarding habitat.

Bucket of litter collected from a wetland

The wetland at Strawberry Moon Farm is awash in the river about four times per year. After each and every flood, the byproducts of modern convenience are left behind in that field. Gallons and gallons of trash float in on the wild currents. If I don’t clean it up, it will float downstream to one of my neighbors during the next storm. It will become someone else’s problem, but no less of one. Large items crash in and crush our small trees: a picnic table, a fire extinguisher, hunting gear, and mounds of agricultural waste. Small items float through and cause harm to our wild friends: plastic wrappers, straws, and bottle caps.

A picnic table in an open field
Plastic Straw Littered In A Wetland

An image of one specific plastic straw became infamous last year. That particular straw was lodged inside the nostril of a sea turtle. Encouragingly, humanity is rallying together to help reduce ocean pollution and protect sea creatures like that turtle.

The straw pictured above was found here, in our wetland, in Midwestern USA. Indiana is not near an ocean, but it is home to more than fifteen species of turtles. Our rivers, streams, and lakes host a myriad of fish, reptiles, and amphibians. Majestic Bald Eagles and stately Blue Herons dive into these fresh waters every day, in attempt to feed themselves and their offspring. The plastic epidemic is not confined to the oceans. Litter is not someone else’s problem.

Box Turtle

Feeling outraged or depressed or disillusioned will not change our situation, so let’s not waste our energy. There are simple, specific things we can all do to spark positive change in the world. Start with your own community. Take care of your own trash. Pick up litter where you see it (if you can do so safely). Ask your friends to do the same. Pack out your trash when you go camping or hiking rather than leaving it in the woods. If you can avoid consuming single use plastics, do so. If you can’t, try to dispose of those plastics in a responsible way. Recycle what you can recycle and build ecobricks. Secure the lids on your trash cans so your discarded items don’t blow away. And plant trees. Did you know trees are one of the Earth’s natural filters? Not only do they help clean the water and protect the soil, but they also help us catch our mistakes as they float or fly by. They give us a chance to clean those things up before they float farther downstream.

Escaped Plastic Flower Arrangement
I can almost always find a synthetic flower arrangement or two in this drainage ditch near my home, across the street from a cemetery. Well-meaning people often adorn the graves of their loved ones with arrangements like this one, but the wind blows them away into natural areas where they may end up causing significant harm. Please consider honoring your loved ones with biodegradable arrangements instead.

We Earthlings are dealing with a lot right now, and much of it is beyond our control. Taking responsibility for my own consumption and waste is something I can control. Taking responsibility for yours is within your control. It’s a positive step we can take to make the world a better place. Things that once mattered, still matter. And maybe they matter even more now. Let’s care for each other in this way.

If you enjoyed this totally ad-free, affiliate-link-free, sponsored-content-free, subscription-fee-free, 100% honest free article, please consider sending some love my way! You can help further this cause of Earth-positive agriculture by commenting on this blog, sharing this article with your friends, following me on social media, and interacting with my posts. If you’re feeling especially generous, you could also toss me a few coins through a free platform called Ko-Fi, or make a purchase from my online shop. Thank you for reading.
“Be well, do good work, and keep in touch.” -Garrison Keillor

Farming The Wetland

Strawberry Moon Farm in Lunar Eclipse
Strawberry Moon Farm in Lunar Eclipse

My husband and I looked for our farm for 18 months.  He only wanted a beautiful house, but I only cared about great land.  When we finally found something we could both love, we were both willing to make a few compromises.  I had been looking for a flat, sunny, well-drained, rectangular field; a blank canvas I could transform into my vision of the perfect fruit-filled paradise.  But this land had woods.  It had hills.  It had a flood plain.  It had its own plans.

We ended up with 10 acres of incredibly diverse land.  About 3 acres were wooded, and about 1.5 acres were in a flood plain.  The low land was classified as a once in 100 year flood plain for the adjacent creek, but after we moved in, we realized that a more accurate classification would have been three floods every single year.  Later, we learned that this part of our farm was a natural wetland, a former creek bottom.  I’m not easily discouraged, but this news was disappointing at best.  I didn’t think any useful or edible plants could be grown in this type of environment.  Luckily, I was wrong.

A creek overflows, creating flooded corn fields and road floods
Our natural wetland, flooded by an overflowing creek

As it turns out, wetlands can be beautiful, productive ecosystems capable of producing food, filtering flood waters, and sheltering wildlife.  If you’re trying to turn land like this into a corn field (which the previous owners were), you’re going to be sorely disappointed.  But if you protect the soil and encourage permanent, water-loving trees and shrubs, you and the land will be very happy together.  Pecans, maples, willows, and elderberries are just a few of the species that can thrive and produce in this type of environment.  By working with the water instead of against it, you can build a lush food forest that nourishes you at the same time as it drains and cleans the flood waters.

The reason why it’s a bad idea to till up a flood plain field and plant it to row crops like corn has to do with erosion.  Erosion occurs when water or other forces remove topsoil from the land and move it elsewhere.  Usually, this topsoil ends up someplace it isn’t wanted, like in a waterway.  The nutrients (like nitrogen and phosphorus) and sediments from the displaced soil disrupt the balance in the water.  This can kill fish, and generally damage the ecosystem.  Meanwhile, your land grows poorer and poorer as all its nutrients and topsoil are stripped away.  When you till, or when you leave bare soil exposed, the soil is vulnerable and easy to wash away.  But when it is densely covered with plants, myriad roots hold that soil in place.  The plants shelter and protect the topsoil, and when floods come, the water is absorbed into the root system or filtered through aerated soil into the groundwater table.

There’s a thing called a Riparian Buffer.  According to Wikipedia:
“A riparian buffer is a vegetated area (a “buffer strip”) near a stream, usually forested, which helps shade and partially protect a stream from the impact of adjacent land uses. It plays a key role in increasing water quality in associated streams, rivers, and lakes, thus providing environmental benefits. With the decline of many aquatic ecosystems due to agricultural production, riparian buffers have become a very common conservation practice aimed at increasing water quality and reducing pollution.”

My plan is to create an edible Riparian Forest Buffer.  The goal is to have all the benefits of soil and water conservation, but to also harvest and use something from each of the plants and trees in the buffer.  Strawberry Moon is not the first farm to try this, but it is not yet a ubiquitous practice.  I hope that this riparian buffer project will encourage more people to try this ecologically sound farming style.  If farmers can increase yields while at the same time protecting the environment, why not do this?  There is even financial aid available from some government organizations to make the transition from conventional farming to riparian buffers easier.  I’ll post more about that later, when I have all the facts.  Meanwhile, spring is coming.  Be ready!

If you enjoyed this totally ad-free, affiliate-link-free, sponsored-content-free, subscription-fee-free, 100% honest free article, please consider sending some love my way! You can help further this cause of Earth-positive agriculture by commenting on this blog, sharing this article with your friends, following me on social media, and interacting with my posts. If you’re feeling especially generous, you could also toss me a few coins through a free platform called Ko-Fi, or make a purchase from my online shop. Thank you for reading.
“Be well, do good work, and keep in touch.” -Garrison Keillor