Questions tagged [walnut]

35 questions
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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. In the north, chestnuts. And so on. I have…
usumdelphini
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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. Their bodies have ridges on them. It's hard to tell…
MickB
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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 fruit that drops from it. I live in zone 4b and am…
7
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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
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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
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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, for more shadow tolerant vegetables. Note: still…
Giacomo Catenazzi
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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 temperatures are 7-9°C (44-48°F). A sour cherry…
Alina
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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 standing water for about four days after heavy…
Jamin Grey
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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 aware that walnuts are notoriously difficult to…
Tim
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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 are 30 trees in the garden). It looks to me like it…
NovaLogic
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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?
4
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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 day it was planted as a young tree?
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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 climber that will climb up the walnut, and hopefully…
VividD
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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 fallen and rested on a nearby tree, the cambium…
J. Musser
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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
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