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To pick a ripe acorn squash, look for a firm, heavy squash with a deep, solid green color and a patch of orange or yellow on one side.
That orange spot is called the “ground spot,” and it’s a telltale sign the squash ripened fully on the vine before harvest.
If you’ve been wondering how to pick a ripe acorn squash at the store or farmers market, the good news is that it’s one of the easier winter squashes to judge.
You just need to know what to look for, what to avoid, and a few simple tests you can do right there in the produce aisle.
In this post, we’ll walk through exactly how to pick a ripe acorn squash, the signs that tell you it’s ready, and the mistakes that lead to bland, stringy squash every time.
Let’s get into it.
How to Pick a Ripe Acorn Squash: What to Look For
Learning how to pick a ripe acorn squash really comes down to using your eyes and your hands.
When you pick a ripe acorn squash properly, you end up with sweet, nutty flesh that roasts beautifully.
Here are the key signs that tell you an acorn squash is ripe and ready.
1. Look for a Deep, Solid Green Color
A ripe acorn squash has a dark green skin that looks rich and saturated, not pale or washed out.
Some varieties will also show streaks of yellow or orange mixed in, which is completely normal and actually a good sign.
If the squash looks light green or has a dull, grayish tone, it was likely picked before it ripened.
When you know how to pick a ripe acorn squash by color alone, you’re already ahead of most shoppers.
2. Check for the Orange Ground Spot
The ground spot is the area where the squash rested on the soil while growing.
On a ripe acorn squash, this spot turns a creamy orange or golden yellow color.
If that patch is still green, the squash didn’t finish ripening on the vine, and the flesh inside will taste bland.
This single detail is one of the most reliable ways to pick a ripe acorn squash with confidence.
3. Feel for a Firm, Heavy Squash
Pick up the squash and give it a squeeze.
A ripe acorn squash feels hard and firm all over, with no soft spots or mushy areas.
It should also feel heavy for its size, which means the flesh inside is dense and full of moisture.
If the squash feels light or hollow, it’s either underripe or drying out inside.
A soft spot, meanwhile, usually means it’s starting to rot.
4. Knock and Listen for a Hollow Sound
Here’s a trick that works surprisingly well: give the squash a gentle knock with your knuckles.
A ripe acorn squash will sound slightly hollow, kind of like a dull drum.
If it sounds solid and thuddy, it may not be fully ripe yet.
This isn’t a perfect test on its own, but paired with the other signs, it helps you pick a ripe acorn squash every time.
5. Inspect the Stem and Skin
The stem of a ripe acorn squash should be dry, brownish, and slightly corky.
A green stem means the squash was harvested too early.
The skin should also be smooth and matte, without cracks, cuts, or soft dents.
Small scratches are usually fine, but avoid any squash with deep gouges or moldy patches.
Signs an Acorn Squash Is Not Ripe
Knowing what to avoid is just as important as knowing how to pick a ripe acorn squash.
Watch out for these red flags when you pick a ripe acorn squash at the market.
1. Soft or Spongy Spots
If you press gently and the skin gives way, that squash is past its prime.
Soft spots mean the flesh underneath is breaking down, and it won’t roast well at all.
2. Pale or Light Green Skin
An acorn squash that’s mostly light green was picked too soon.
It will taste watery and bland, no matter how long you roast it.
3. No Orange Ground Spot
If there’s no orange or yellow patch anywhere on the squash, it didn’t ripen on the vine.
That means the sugars never fully developed, and you’ll notice the difference in flavor.
4. Cracks, Mold, or a Wet Bottom
Any visible mold, cracking, or a damp, dark bottom is a sign of spoilage, so skip that squash entirely.
How to Store a Ripe Acorn Squash
Once you’ve figured out how to pick a ripe acorn squash, the next step is keeping it fresh until you’re ready to cook.
Whole acorn squash can sit at room temperature for about a month in a cool, dry spot.
Don’t put it in the fridge unless it’s already cut, since cold temperatures can damage the texture.
Once you cut it, wrap the pieces tightly and refrigerate them for up to five days.
So, How Do You Pick a Ripe Acorn Squash?
You pick a ripe acorn squash by choosing one with deep green skin, a creamy orange ground spot, and a firm, heavy feel.
Knock on it, listen for that hollow sound, and always check the stem and skin for damage.
Avoid anything soft, pale, or missing that telltale orange patch.
When you know how to pick a ripe acorn squash, you’ll end up with sweet, buttery flesh that roasts perfectly every single time.
Happy squash hunting.