Questions tagged [walnut]

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How to improve success rate when grafting English walnut (juglans regia)

We have a walnut orchard in Central Otago, a dry, cool-temperate region of New Zealand. We're having very poor success rates with our grafting (~10-20% or less) and I'm trying to figure out why. I'm ...
Tim's user avatar
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3 votes
1 answer
62 views

Diseased walnut?

I bought a house recently (Southern Indiana) and only just realized that there may be some walnut trees on the property. At least, something likes to drop these large seeds on my shed and make a very ...
conman's user avatar
  • 279
1 vote
0 answers
21 views

How to harvest and process walnuts?

I came across a fallen walnut tree and harvested some. Vaguely remembering from my childhood that the husk is to be removed and the nut dried in the sun I proceeded only to realize I have no idea what ...
Vorac's user avatar
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2 votes
0 answers
15 views

Walnut Tree Danglies?

I have a medium-sized black walnut tree in my yard in north-east Ohio. Recently I noticed these strange things dangling from the bottom of the lower branches. Picture below. Any ideas as to what they ...
Dark Falcon's user avatar
1 vote
0 answers
19 views

Young walnut is having trouble

I have planted this young walnut a some time ago. Forget the yellow leaves .. It got way too much water last days :/ I am more concerned about the tree-top which turned black. See on the picture, it'...
tpapz's user avatar
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3 votes
0 answers
34 views

Walnut Sapling Stem Getting Black

I am worried about this walnut sapling. It was replanted last month and look healthy, hewever, I noticed the lower part of the stem got black. I am worried that the sapling might die. What is causing ...
Badan's user avatar
  • 171
1 vote
0 answers
62 views

Why do the Walnuts of Our Trees Get Black and Could Not Ripe

We have a cottage in a very close proximity to the Black Sea (around 2 kilometers) in what is referred to as a Temperate Climate Zone environment. We have 3 old walnut trees that give a fair amount of ...
Badan's user avatar
  • 171
3 votes
0 answers
168 views

What are the Chances to Get a Walnut Tree from Seed that Yields Similar Nuts as its Parent

I have read that most trees that are grown from seed turn up to be very different than the parent. For example, some sources claim that the chance to get good apples from an apple grown from seed is 1/...
Badan's user avatar
  • 171
3 votes
2 answers
38 views

Can you plant white walnuts in summer?

Bought a house in Dayton, Ohio, and want to plant some white walnut trees. (Temperatures: I've seen it get down to like -5F, a few years ago, but looks like it rarely gets below 15F.) I've found a ...
Erhannis's user avatar
  • 171
1 vote
1 answer
257 views

What do I do with a Hügelkultur bed that contains black walnut?

I have had good luck in the past burying logs to create a Hügelkultur for my garden. This year I decided to build some raised beds and lined the bottom of the beds with logs to get the advantages of ...
codeConcussion's user avatar
4 votes
2 answers
1k views

White growth on young walnut tree - is it an illness?

What is this white growth on this young walnut tree? Is it a disease or a harmless fungus? If I remove one, a visible hole is left in the tree. Other nearby trees do not have this so far (there ...
NovaLogic's user avatar
  • 165
1 vote
1 answer
233 views

How to handle walnut tree root damage?

We recently started some construction work that involves digging around a beloved walnut tree and the workers hit some of the roots. (Europe) Some pics for reference: the tree - https://i.stack....
hilchev's user avatar
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1 vote
1 answer
511 views

Some of my walnut trees have double trunks. Is it safe and wise to remove one?

I have bought an orchard which has some walnut that are about 10 years old. These walnuts have been never pruned. Some of them have two or three trunks. Is it safe or wise to remove one of them? Can ...
Mehdi Azizi's user avatar
2 votes
1 answer
1k views

Are walnut tree chips suitable as mulch?

I had to cut a large number of branches from a walnut (its crown started mixing with electric wires). If those branches are chopped (by a machine), can resulting peaces be used as mulch (given juglone ...
Aleksandar M's user avatar
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1 vote
1 answer
52 views

How much late spring cold have damaged my walnuts

Unfortunately, last night temperature in my garden in Avenliq. East Azerbaijan of Iran country dropped to -3°C and these are my walnut new sprouts after that. will these bear any fruit? should I do ...
Mehdi Azizi's user avatar
3 votes
1 answer
266 views

Disease on walnut - light green convex lumps on leaves

There are convex light green lumps on the leaves of my family's black Walnut - only in one region of the tree. The reverse side of affected areas has like a fuzzy yellow crust. What is this and is it ...
Void Star's user avatar
  • 185
4 votes
2 answers
886 views

Will using landscaping stones and dirt around an English walnut tree kill it?

We have a 50 year old English walnut tree and wanted to landscape around it with stone and fill in with dirt and plant flowers on top, then I read that it will kill some trees. Is this true?
Cheryl A. Snader's user avatar
7 votes
3 answers
731 views

What are these very small red bugs on my black walnut tree?

This is a black walnut tree. My brother noticed them while we were in the backyard. I have other trees that are not black walnut and do not see these bugs on them. They are red with a black head. ...
MickB's user avatar
  • 171
6 votes
1 answer
100 views

Which vegetables under a walnut

On some pasts questions on this site, I discovered that walnuts release Juglone, which is nasty for the growth of many plants. I had/have a part of the vegetable garden partly under a Juglans regia, ...
Giacomo Catenazzi's user avatar
5 votes
3 answers
1k views

Can I plant English Walnuts on earth berms above poorly draining clay soil?

I'm in Zone 6a, and I'd like to plant some English Walnut trees (not Black Walnut!), but have rather clay-ish soil. Also, the area where they'd need to be planted tends to get about an inch or two of ...
Jamin Grey's user avatar
3 votes
3 answers
860 views

Is it harmful for birds to have a house hanging on a walnut tree?

There is a belief in my area that it is not healthy for humans to sleep under a walnut tree. Is this valid for birds too? Is it harmful for birds to live in a bird house hanging on a walnut tree?
VividD's user avatar
  • 5,810
4 votes
1 answer
832 views

Do walnut trees grow in rain forests?

A few things that I'm interested to know about: What's the required temperature for growing walnut trees (Juglans regia)? Do they grow in hill areas? How long does it take to produce fruit from the ...
Prashanth Sams's user avatar
4 votes
1 answer
355 views

Recommendations for climbers that'll climb by a walnut tree

I've got a large walnut tree (Juglans regia), and I am happy with it, I just want to improve further that part of my garden to be more attractive to birds and butterflies. My idea is to plant a ...
VividD's user avatar
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3 votes
1 answer
1k views

Walnut leaves in compost - yes or no?

I have several walnut trees in my yard, and this year I am going to make compost for the first time in my life, and would like to know whether I should include walnut leaves in my compost pile. There ...
VividD's user avatar
  • 5,810
6 votes
1 answer
105 views

How to manage fruit-trees blooming for the second time in autumn?

A friend of mine has an apple tree and a walnut tree that have bloomed for the second time this year. The trees grow in a 6b hardiness zone in the Northern hemisphere where it is already autumn. Night ...
Alina's user avatar
  • 5,416
4 votes
1 answer
429 views

What can I do with this broken leader on a black walnut?

In August, a wind storm split this black walnut's leader. The leader broke again higher up, and came completely off, but a large part of the main stem (lower down) is still attached, and although it's ...
J. Musser's user avatar
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8 votes
1 answer
1k views

Why doesn't the UK produce hazelnuts, chestnuts and walnuts, despite having suitable climatic and horticultural conditions?

In my home country, Italy, and countries with similar climatic conditions, such as Georgia or Turkey, these nuts are grown and exported in great quantities. In southern Italy, in particular, hazelnuts....
usumdelphini's user avatar
  • 1,392
4 votes
0 answers
49 views

When choosing a site to plant a black walnut what should I look for?

I was asked to install a black walnut tree along a fairly flat creek bed. What should I look for when planting the tree?
black thumb's user avatar
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2 votes
1 answer
1k views

Grafting black walnut onto English walnut

I have a healthy three year old English walnut. It is about 8 feet tall and 5 feet wide. It was purchased at one of the large home improvement stores (I don't remember which) so the tree itself may ...
iAndelin's user avatar
  • 220
2 votes
1 answer
182 views

Why would a walnut tree lose all its leaves in ten minutes?

I watched a walnut tree lose all its leaves in about ten minutes one time some years ago and I was wondering if this is something that is normal and if not would there be a simple explanation for it. ...
Samantha's user avatar
3 votes
3 answers
1k views

How to harvest whole walnuts of a tall tree in one day? [closed]

This picture show a walnut harvest machine. But I think this machine is useful for walnut trees that are around 10 meters height. I don't know which kind of machine is appropriate for trees around 30 ...
MySky's user avatar
  • 67
6 votes
1 answer
2k views

Does grass absorb juglone from black walnut trees?

If grass grows near a black walnut tree, will they absorb the infamous juglone? If so, would it it be a lot or would plants near them be okay to eat/feed still?
Ullallulloo's user avatar
3 votes
1 answer
3k views

Which walnut varieties are best for eating?

It looks like English walnut (Juglans regia) is the tree that produces the walnuts you'd get in the supermarket. Does black walnut (J. nigra) produce nuts that are worth eating? Are there varieties ...
bstpierre's user avatar
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7 votes
5 answers
14k views

What is the best species of grass to grow around a black walnut tree

I love my black walnut tree. I almost love it as much as I hate it, but it's beautiful. However, grass refuses to grow around it even though my wife and I are adament about cleaning up leaves and ...
Rebecca Dessonville's user avatar
7 votes
2 answers
5k views

Why does my English walnut lose its leaves early?

I have an English walnut sapling that grows vigorously all summer, but at the beginning of Fall the leaves dry up and fall. It has been two years now. Is that a problem with the tree?
J. Musser's user avatar
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