The Year of The Oaks

Native,
What do the acorns look like on your overcups? I have grown them for a few years now, but have always collected acorns from trees from a local wildlife management area that routinely floods. The acorns are like the acorns on the right in the photo below. The cap usually covers almost the entire acorn and the pericarp/shell is very thick. Last fall I found an apartment complex that used overcups as landscaping trees. A couple of the trees dropped a lot of acorns into November and the acorns are on the left in the photo. The caps are not as thick, do not extend that far down the acorn, and the pericarp is not that thick. It is my hope that the seedlings from the apartment trees will be abundant producers and that the wildlife will like the thin walled, small capped acorns more. I should be able to report back on my hypothesis in 15-20 years.

As an FYI, I have found that removing the cap from overcup acorns speeds up the germination process by several weeks.

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Fishman, after all this time I thought of this thread today and your question. Below are some immature acorns from two different trees on a dry upland site. Pics taken today. It looks like mine will be completely covered, but I will try to remember to look again when they drop.

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Fishman, after all this time I thought of this thread today and your question. Below are some immature acorns from two different trees on a dry upland site. Pics taken today. It looks like mine will be completely covered, but I will try to remember to look again when they drop.
Definitely check again when they drop. They won't be dropping for a couple of more months, so the acorn might grow out of the cap.

The photo below illustrates the difference in shell thickness between the apartment overcup acorns on the right and the swamp overcup acorns on the left. It is my hope that the deer will eat the thinner shelled acorns. Time will tell.
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Definitely check again when they drop. They won't be dropping for a couple of more months, so the acorn might grow out of the cap.

The photo below illustrates the difference in shell thickness between the apartment overcup acorns on the right and the swamp overcup acorns on the left. It is my hope that the deer will eat the thinner shelled acorns. Time will tell.
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I looked a little closer today and found two Overcups close to each other that are loaded. These are at a place I can check easily without going back into bedding areas. I went ahead and put a camera on them and will monitor for deer activity when they start falling.

It looks like another great year for swamp chestnut oaks too. I’ve been seeing those bear for a few years now, and the deer relish them. So far I have not seen one of those trees that didn’t bear well, and it looks like they are even more reliable than Sawtooth. I’ve seen good crops for at least the last 4 years since I have started paying more attention to them.
 
NRO, black oak, and chestnut oak acorns dropping in western NC already. LOTS of fruit this year too. The deer won’t likely go hungry.


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Definitely check again when they drop. They won't be dropping for a couple of more months, so the acorn might grow out of the cap.

The photo below illustrates the difference in shell thickness between the apartment overcup acorns on the right and the swamp overcup acorns on the left. It is my hope that the deer will eat the thinner shelled acorns. Time will tell.
View attachment 28464

They are dropping now and I have some pics below. The deer are not eating them yet, but I currently have loads of chestnuts + pears + apples on the ground. Also, white oaks are beginning to drop as well as Chestnut Oaks. I did see where squirrels had eat a few Overcups, but deer are not interested yet per my camera. I think there are just too many other choices right now.

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Definitely check again when they drop. They won't be dropping for a couple of more months, so the acorn might grow out of the cap.

The photo below illustrates the difference in shell thickness between the apartment overcup acorns on the right and the swamp overcup acorns on the left. It is my hope that the deer will eat the thinner shelled acorns. Time will tell.
View attachment 28464

Looks like mine are finally falling, and the deer are eating them. I didn't realize that Overcup fell so late.

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Looks like mine are finally falling, and the deer are eating them. I didn't realize that Overcup fell so late.
Over the past four years, the earliest I have seen them fall is October 14. I have seen a few acorns still hanging on the tree through mid November. I am encouraged to see that the deer are eating them.
 
Over the past four years, the earliest I have seen them fall is October 14. I have seen a few acorns still hanging on the tree through mid November. I am encouraged to see that the deer are eating them.
Me too. I have at least 40 of them within the tree planting, so that could help hold deer on my land during gun season.
 
Hey fellas, need some help. I picked up these acorns at a Loves in IL on the way up to Wisconsin today. Any idea on the tree? I’m hoping to pick up a bunch more while up here; I have my ziplocks ready! :D
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Hey fellas, need some help. I picked up these acorns at a Loves in IL on the way up to Wisconsin today. Any idea on the tree? I’m hoping to pick up a bunch more while up here; I have my ziplocks ready! :D
That looks like a white oak, Quercus alba.
 
This is the latest addition to the acorn ziplocks. This was in a state park. The acorns are about the size of a small thimble. Is it a black oak?
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So is there a white oak in the white oak family? I’ve always called all rounded tip leafed oaks white.
The various oak species around the world are divided into two subgenera which are then further divided into several sections. Within the subgenera Quercus, the two main sections here in North America are section Quercus, what we call the white oaks, and section Lobatae that contains the red oaks. There is a white oak, Quercus alba, in the white oak section and a southern red oak, Quercus falcata, and northern red oak, Quercus rubra, in the red oak section.
 
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