Plants That Can be Grown Around Walnuts and Hickories - Juglone Tolerant Plants

Plants Tolerant to Juglone

Walnuts and hickories produce the chemical juglone, which is exuded from all parts of the plant. This chemical can inhibit the growth rate of nearby plants, a phenomenon known as negative alleopathy.

 
The following lists of plants tolerant to juglone were compiled from published sources. They are based on observation under various settings, but few plants have been experimentally tested for sensitivity to juglone. The plants highlighted in green are species I have personally observed growing seemingly unhindered in and around the under story of Juglans regia.

Walnuts from our Gardens  

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Many factors affect sensitivity, including level of contact, health of the plant, soil environment, and the overall site conditions. Aside from juglone, a mature walnut will cast a very heavy shade and young sun demanding plants will not survive in these conditions. The lists provided here are strictly guides and cannot be considered complete or definitive.

20 yr old Walnut in our Garden  with Sambucus nigra, Aronia melanocarpa and Pyrus cv. doing very well 

If you have experience of plants growing well under and around a Juglone producing plant that are not on this list, please share in the comments section below.

View our previous post for The Essential Guide to Everything you Need to Know about Walnuts!.

Bulgarian Walnut Cultivars - Hardy and Resistant to Major Pest and Diseases 

Below you can find profiles of some Bulgarian cultivars that we have on offer at our Bio-nursery. These cultivars  are high yielding and resistant to common walnut diseases. 

We are currently offering these cultivars at ​​ €22 per tree with 10% discount for orders over 10 trees. Delivery all other Europe

For other disease resistant walnut cultivars see Agroforestry Research Trust.

Walnut cultivars for Permaculture and Forest Gardens 

Cultivar - 'Izvor 10'

• Fruiting - The fruit forms on lateral buds and ripen around mid September. Excellent tasting oblong nuts with a thin shell. The nuts weigh around 10 g have a high fat content - 55.7%.
• Disease Resistance - Excellent resistance to Walnut anthracnose and Walnut blight
• Form - The tree forms a broad, relatively thin crown
• Hardiness - A very hardy cultivar tolerating temperatures down to -25 - 30 ºС
• Flowering Period - Late

Cultivar - 'Sheinovo'

• Fruiting - The fruit forms on the tips and ripen around mid September. Excellent tasting nuts that are easy to remove from the thin shell. The nuts weigh around 12 -13 g and have a high fat content - 71.4% . 
• Disease Resistance - Good resistance to Walnut anthracnose and Walnut blight 
• Form - The tree is vigorous with a wide spread crown 
• Hardiness - A hardy cultivar tolerating temperatures down to -24 ºС 
• Flowering Period - Mid - Late

Cultivar - 'Dryanovo'

• Fruiting - Fruits for on the tips of branches and ripen to very large 14 - 18 g round nuts. The fat content is 67.39%. 
• Disease Resistance - Very resistant to anthracnose, though very susceptible to blight. 
• Form - The tree is vigorous with dome shaped crown 
• Hardiness - A hardy cultivar tolerating temperatures down to -24 ºС 
• Flowering Period - Mid - Late
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To order some walnut cultivars  contact us at balkanecologyproject@gmail.com

Regenerative Landscape Design - Online Interactive Course 

If you would like to learn how to design, build and manage regenerative landscapes we'll be running our  Regenerative Landscape Design - Online Interactive Course that starts on May 4th, 2022. 

We're super excited about running the course and look forward to providing you with the confidence, inspiration, and opportunity to design, build and manage regenerative landscapes, gardens, and farms that produce food and other resources for humans while enhancing biodiversity.

Regenerative Landscape Design Online Course

You can find out all about the course here and right now we have a 20% discount on the full enrollment fees. Just use the promo code SUB2022 in the section of the registration form to receive your discount. 

We are looking forward to providing you with this unique online learning experience - as far as we know the very first of its kind, and if you are thinking of reasons why you should do this course and whether this course is suitable for you, take a look here where we lay it all out. Looking forward to it!

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We offer a diversity of plants and seeds for permaculture, forest gardens and regenerative landscapes including a range of fruit and nut cultivars. We Deliver all over Europe from Nov - March. - Give a happy plant a happy home :)

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Design and Create Webinars - Forest Gardens, Urban Gardens, Permaculture, Regenerative Farming   

We're hosting a range of online learning sessions including how to create habitat to enhance biodiversity, how to design and build a forest garden, polyculture design software tutorials, regenerative farm, and landscape design, urban gardening and much more. If you would like to be notified when our next sessions are coming up please add your email below and hit subscribe and we'll be in touch.

You can also register for our online training, services, and products directly here.

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Support Our Project 

If you appreciate the work we are doing you can show your support in several ways.

• Make a purchase of plants or seeds from our Bionursery or Online Store 

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• Donate directly to our project via PayPal to balkanecologyproject@gmail.com or via Cash App to £Sytoma 

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Planting out Guide

Autumn is a great time to plant out. The adequate rainfall and consequent soil moisture levels at this time of year are perfect for the newly establishing plant roots.  Although it may be cold above ground, the warmer soil temperatures make it possible for plant root growth to continue for longer and settle in before the spring growth bonanza.

 Here's a step by step guide to planting out including a few things to consider before and after planting.

But first just to let you know we've revamped our Online Store where you can find Forest Garden/ Permaculture Plants, Seeds, Cuttings, Bulbs, Rhizomes and Polyculture Multi-packs along with digital goods and services such as Online Courses, Webinars, eBooks, and Online Consultancy and finally we've added a Bulk Fruit and Nut Tree order form for Farms, Orchards, Nurseries, and Large Regenerative Landscape Projects. If there is anything in the store you would like to see but is not there, please let us know. We hope you enjoy the store and find something you like :) It's your purchases that keep our Project going. Thank you. Enter Our Store Here

Plants, Seeds, eBooks, Consultancy, Bulk Fruit and Nut Tree Orders for Permaculture, Polyculture, Forest Gardens and Regenerative Landscapes.

A few things to consider before planting 

• The best time to plant is when the soil is moist after a rain. If the soil is very wet, treading can cause compaction so avoid working on very wet soils particularly if your soil is clay.

• In choosing the position for your plant, bear in mind the light, fertility, water, temperature, space and community needs of the organism.

• Consider the maximum size of the plant and how it will relate to the surroundings of the position you have chosen.

• For plants that require cross pollination  or are dioecious you will need to consider the pollination needs and make sure you have a pollinator in the vicinity.  

• If you are establishing bare rooted plants ensure that the roots are not exposed to direct sunlight for too long and that they do not dry out.

• Soak your plant roots well before planting. I have had no problems leaving the bare rooted plants submerged in water for up to 12 hrs. Cover so that sunlight cannot harm the roots when in the water.    

 Planting instructions

• Dig your hole sufficiently to allow some space around the root ball or roots ie, do not cram the plant into a small hole. Twice the diameter of your pot is adequate.  

• When digging, separate the top soil and sub soil layers. This is best achieved by placing two boards or tarps next to your hole. Dig the top soil out and pile it on one board/tarp, now dig the subsoil out and pile it on the second board/tarp.

• Make sure the bottom and sides of your hole are not compacted from digging. If there are any smeared surfaces, scrape them loose with a fork. This ensures easier access into the soil for the establishing roots as well as providing good drainage and air spaces.    

• Water the empty hole well and allow time for the water to drain away. If your plant is in a container then rough up the sides of the root ball. The purpose of this is to ensure the fine roots make good contact with the soil when you infill the planting hole.

• Due to the fast draining sandy loam I normally work with I plant a little lower than ground level to provide a dish for water to collect in. If you have poor draining soil (heavy clay)  in an area of high rainfall and/or a high water table then you should consider planting higher then ground level.

• If your planting site has a history of intensive application of fungicides you should re-establish the Mycorrhizal community.  Mycorrhizas are symbiotic relationships between fungi and plant roots (the term means literally 'fungus root'). They are very common on crop plants as well as in wild plant communities, and in several cases they have been shown to be important or even essential for plant performance. The fungus obtains at least some of its sugars from the plant, while the plant benefits from the efficient uptake of mineral nutrients (or water) by the fungal hyphae. You can re-establish the Mycorrhizal community by simply adding half a spade full of soil from a healthy soil ecosystem nearby which should contain many of the beneficial fungal organisms. Mix the healthy soil with your pile of top soil.   

Picture shows how the plant can draw upon a much larger pool of soil resources with the assistance of  mycorrhizal fungi 

• Back fill the hole with the sub soil first, pack the soil in firmly around the roots or root ball and then add the top soil, again tampering the soil firmly to ensure good contact is made between soil and roots. The idea behind keeping the soil layers in order is to create minimum disturbance to the existing soil ecology. It may just look like plain earth but there are a myriad of organisms at work in there.       

• You can remove surrounding vegetation to approx 50cm radius of the plant stem so you end up with a circle of bare earth approx 1m diameter with your plant in the centre.  If your plant is small then you can make this area smaller.       

• Imagine which way the water would flow across the land surrounding your plant, and pile up the organic matter you have scrapped away from the surface along with any left over soil to create a barrier that will block the water from moving away from the plant. You want to keep the water around the plant where it can drain into the soil slowly and soak through to the roots below ground. It may be that on flat ground you need a barrier surrounding the plant creating a dish in which the water fills. If you have a low water table,  lots of rain in your area and poor draining clay soil then this is not advisable.   

• Water the plant again applying more water then you think you will need and watch to see how well the water stays around the plant root zone. If you see the water escaping make some amendments to your barrier. 

• Once the plant is watered, apply mature compost approx 2-3 cm deep covering the bare earth and place wet cardboard sheets or old clothing or cloth over the compost. If more than one piece of cardboard is needed overlap the cardboard so there are no gaps. This layer provides a barrier to prevent weed seeds in the soil from germinating and will decompose to add extra fertility to the soil. You can also use proprietary organic mulch mats -  I've heard they last a few seasons.  

• Cover the cardboard/cloth/mulch with a further 3cm of well matured compost and then cover this with a 10cm layer of straw mulch (or other seedless mulch).   

• If trees are planted too deeply or too much mulch is placed around the base of the tree, the constant moisture against the bark will create a condition called collar rot. Once the protective bark has rotted away, insects, micro organisms and fungi can easily enter the tree and begin to damage the plant. Make sure that the soil and mulch layers are not in direct contact with the bark around the base of the stem (the collar).  Be sure to clear away the mulch and compost from that area so that you end up with a visible gap of at least 5 cm between stem and soil. You should check this every so often as the mulch usually makes its way back around the collar.

Collar Rot in a Apple Tree from - http://www.appleman.ca/korchard/treerots.htm

Aftercare considerations   

• If planted in Autumn it is likely that your new plants will not need watering until the mid spring. Keep an eye on your plant and water if you see/feel the soil below the mulch is dry. It's important to keep the plant from drying out in the first few years so plan time to monitor. Ninety percent of all problems with newly-planted trees are because the steward didn't water them.

• If planting a tree whip, according to some reports and contrary to popular belief, staking is not necessary.  It is claimed to be counter productive and discourages a young tree from forming strong and secure anchor roots. Large container trees will, however, need staking. 

• Tree barriers are recommended to prevent herbivores committing planticide and according to the manufactures have many other purported benefits ;) I have never used these so cannot comment.     

• Check your plant from time to time and make sure the mulch has not made its way back around the stem collar. Keep the area weed free for a few years by topping up the cardboard and if you have planted a tree with high nutrient demands apply extra compost the following autumn. 

• Finally, enjoy your plant!      

 If you are would like to learn how to  Design and Build A Forest Garden ,we have a webinar coming up on Saturday, 28th of November 2020 - 19.00 GMT+3.  It's a live session where we'll go through step by step what you need to know to get started and end with a Q&A session. We'll send you a recording of the webinar when it is finished along with our design spreadsheets and plant lists to help get you started with your own Forest Garden Design.  

The webinar will be hosted on zoom and you can book your place here - Looking forward to it!

Welcome to our Online Store where you can find Forest Garden/ Permaculture Plants, Seeds, Cuttings, Bulbs, Rhizomes and Polyculture Multi-packs along with digital goods and services such as Online Courses, Webinars, eBooks, and Online Consultancy and finally we've added a Bulk Fruit and Nut Tree order form for Farms, Orchards, Nurseries, and Large Regenerative Landscape Projects. If there is anything in the store you would like to see but is not there, please let us know. We hope you enjoy the store and find something you like :) It's your purchases that keep our Project going. Thank you. Enter Our Store Here

Plants, Seeds, eBooks, Consultancy, Bulk Fruit and Nut Tree Orders for Permaculture, Polyculture, Forest Gardens and Regenerative Landscapes.

If you appreciate the work we are doing you can show your support in several ways.

• Make a purchase of plants or seeds from our Bionursery or Online Store 

• Consider joining us on for one our Courses or Online Training  

• Donate directly to our Polyculture Project Crowdfunding Campaign. 

• Comment, like and share our content on social media.

                   

Upcoming Forest Garden Courses 

If you would like to create a forest garden and gain some practical hands-on experience come and join us for our Design and Build a Forest Garden Course. We'll be covering site surveying, landscape design software, installing access, beds, irrigation channels, planting tree, shrub, herb and ground layers, and wildlife ponds. All in 3 days! And plenty of follow up material to take away with you to digest slowly.

Design and Build - Forest Garden Course  - Regenerative Landscape Design Course

Registration for our course is now open with a 15% discount on accommodation and food fees when you register as a group (2 or more). You can also take advantage of early booking discounts if you book 3 months before the course starts.

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Please Consider Supporting Our Efforts 

Our project grows with our desire to provide better quality information. Our overheads and demands on our time also grow along with our development and this presents a challenge for us to maintain the project and activities. We do not receive any government, institutional or NGO funding for our project and rely on revenue from sales of our courses, plants, consultancy, and design work along with the support of our amazing volunteers to develop and manage the gardens and are very grateful for this. So please consider joining us for a course or event, purchasing products and services from our online store or plants from our bio nursery, participating in our online educational platforms and support the project while we support you. Feeling super generous today? You can also support us directly with a one-time donation or become a sponsor of our project providing monthly support. With your support, we will continue to improve on producing quality information and data for the community, building a world-class demonstration landscape and progress on our mission to develop and promote practices that can produce food and other resources for humans while enhancing biodiversity.

 

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Would you like to be involved in the project next season?  1-6 month placements on our polyculture study are now open. 

Permaculture and Regenerative Design Internships

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We offer a diversity of plants and seeds for permaculture, forest gardens and regenerative landscapes including a range of fruit and nut cultivars. We Deliver all over Europe from Nov - March. - Give a happy plant a happy home :)

Our Bio-Nursery - Permaculture/Polyculture/ Regenerative Landscape Plants 

--------------------------------------------------------------------------------------------------------------------------

Design and Create Webinars - Forest Gardens, Urban Gardens, Permaculture, Regenerative Farming   

We're hosting a range of online learning sessions including how to create habitat to enhance biodiversity, how to design and build a forest garden, polyculture design software tutorials, regenerative farm, and landscape design, urban gardening and much more. If you would like to be notified when our next sessions are coming up please add your email below and hit subscribe and we'll be in touch.

You can also register for our online training, services, and products directly here.

--------------------------------------------------------------------------------------------------------------------------

If you appreciate the work we are doing you can show your support in several ways.

• Make a purchase of plants or seeds from our Bionursery or Online Store 

• Consider joining us on for one our Courses or Online Training  

• Donate directly to our Polyculture Project Crowdfunding Campaign. 

• Comment, like and share our content on social media.