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Professionally, I’m a retired professor of accounting and former chair of the School of Accounting at the University of South Carolina’s Moore School of Business. My academic work explored how people make decisions in complex systems, especially when information is imperfect or overwhelming. I’ve published in a fair number of journals that few people read voluntarily, and I spent decades thinking about how technology shapes human behavior. These days, my time is divided between managing a small flock of chickens, herding goats, chatting on amateur radio (KO4LMP), and living just on the edge of the grid—literally and metaphorically. I’m a father to five daughters, a grandfather to 17, and a great-grandfather to three. Somewhere along the way, I realized that what I enjoy most is simply talking about the world we live in—and how to make sense of it.

🍏When to Harvest Granny Smith Apples Before Deer Get Them: A Guide

I have a tree bearing granny smith apples. I ate one and it tastes ready, but it seems like July is a bit early to harvest the whole crop. I think they probably need a bit more time, but I worry that if I wait too long the deer will eat the entire crop in a single night. The tree isn’t that big yet.

Note: Based on my conversation with ChatGPT, I waited about ten days and then harvested the apples that I thought were within the reach of deer, leaving the remaining apples up higher. I then waited about two weeks before making a Granny Smith, sugar free, freshly ground whole wheat crust pie. It tastes great.

ChatGPT said:

The best indicator is often exactly what you did: taste one. That’s a good sign.

Granny Smith apples are a little different from many varieties because they stay green even when ripe, so color isn’t a reliable guide. They also tend to ripen over a period of time rather than all at once.

Here are a few things to check:

  • Taste: If the apple is crisp, juicy, and has developed a good balance between tartness and sweetness, it’s ready. If it’s mostly sour with little flavor, it needs more time.
  • Seeds: Cut one open. Mature seeds are usually dark brown. White or pale tan seeds suggest the fruit is still developing.
  • Ease of picking: Lift the apple upward and give it a gentle twist. A ripe apple should separate easily from the spur. If you have to tug hard, it’s probably not quite ready.
  • Firmness: Granny Smiths should remain quite firm when ripe. They don’t soften much on the tree.

If the apple you sampled tasted good but you’re uncertain about the rest, I’d simply leave the majority of the crop on the tree for another week or two and pick a couple of apples every few days. They often continue to improve in flavor and sugar while maintaining their firmness.

And I think your concern is justified. Deer have an uncanny ability to ignore a tree for weeks and then discover it at exactly the wrong moment.

If it were my tree, I’d probably do this:

  • Leave them on for another 7–10 days if the deer haven’t found them.
  • Sample another apple every three or four days.
  • The moment one disappears—or you see fresh deer tracks under the tree—I’d harvest the lot. Granny Smiths are one of the best apples for finishing in storage.

I’ve had deer ignore fruit trees all summer and then strip them in a single night. It’s remarkable how quickly they can clean up a small tree.

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