Tree or shrub, genus *Quercus* noted for lobed leaves and 'acorn' seeds.

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Oak tree - arborist says needs to be removed?

I have a very nice oak tree in my backyard that is about 100-150 years old. The tree is in a good visual shape and we trim it about every two years. However, there is a wound on tree's stem, about 25 ...
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1answer
257 views

Should I leave my bonsai oak tree outdoors during winter?

I live in southern Sweden, where temperatures can get down to around 20C / 4F in the winter. Any tree grown outdoors is exposed to quite a lot of darkness and cold from around early November to late ...
3
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1answer
266 views

oak tree white fuzz

Any idea what this is on my oak tree?? We are in the middle of a drought in central illinois and I've been seeing this on the back of my leaves.
8
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1answer
630 views

Are acorns, or oak nuts, edible?

I have a lot of oak trees where I live, and I've heard that acorns are edible, although not particularly tasty. Is it true? To be honest I have only tried a minimal amount, too little to make any ...
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1answer
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How do I start an oak tree from an acorn?

I have a lot of acorns on my lawn from a red oak tree. I would like to start a new tree from an acorn and I was wondering what I can do to ensure success. What should I look for in an acorn, for ...
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1answer
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How do I keep oak trees from sprouting?

I have a lot of nice sized oak trees. I have pin, black, and chestnut. Every once in a while one of them puts out sprouts all over the trunk and starts looking like a green pillar. How do keep that ...
10
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1answer
325 views

What is this anomalous growth on my oak leaf?

I found an interesting lesion on an oak leaf in my back yard (Upstate South Carolina). What is it? I am asking about the marble like structure since I am fairly certain that the larva (shown at link) ...
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6answers
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What can you do with oak leaves within a garden? Are they compostable?

We have a lot of oak trees on our property. Is there anything we can do with the oak leaves? They never really seem to break down, and because of that, I am afraid to try and add them to a compost. ...