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Questions tagged [walnut]

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3
votes
1answer
21 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 ...
4
votes
2answers
146 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?
7
votes
3answers
91 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. ...
6
votes
1answer
49 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, ...
5
votes
3answers
135 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 ...
3
votes
3answers
94 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?
4
votes
1answer
266 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 ...
4
votes
1answer
67 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 ...
3
votes
1answer
389 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 ...
6
votes
1answer
68 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 ...
5
votes
1answer
108 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 ...
9
votes
1answer
736 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....
3
votes
0answers
48 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?
2
votes
1answer
604 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 ...
2
votes
1answer
135 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. ...
3
votes
3answers
881 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 ...
6
votes
1answer
908 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?
3
votes
1answer
705 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 ...
7
votes
5answers
7k 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 ...
5
votes
2answers
3k 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?