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Spaghetti squash are ready to pick when the skin turns a deep, solid color and your fingernail can’t dent it.
If you’ve been staring at those pale yellow fruits on your vine wondering how to know when spaghetti squash are ready to pick, you’re in the right place.
The good news is that spaghetti squash give you plenty of visual and tactile clues when they’re ready for harvest.
In this post, we’ll walk through exactly how to know when spaghetti squash are ready to pick, from color changes to the famous thumbnail test.
Let’s dig in.
How to Know When Spaghetti Squash Are Ready to Pick
Knowing when spaghetti squash are ready to pick comes down to a few reliable signals.
Here’s what to look for:
1. The Skin Turns a Deep, Solid Color
The first sign that spaghetti squash are ready to pick is a color change.
Immature spaghetti squash start out pale yellow or creamy white.
As they mature, the skin deepens into a rich, golden yellow.
If your spaghetti squash are still light and pale, they’re not ready to pick yet.
Wait until that color is uniform across the entire fruit with no green or pale patches.
2. The Thumbnail Test Never Lies
When spaghetti squash are ready to pick, your thumbnail won’t leave a mark.
Press your fingernail into the skin.
If it dents easily, the squash isn’t ready to pick.
If the skin feels rock hard and your nail slides right off, those spaghetti squash are ready to pick.
This test is one of the most dependable ways to know when spaghetti squash are ready to harvest.
3. The Stem Turns Corky and Brown
Another clue that spaghetti squash are ready to pick is what happens to the stem.
A ripe spaghetti squash will have a stem that’s dry, brown, and corky.
If the stem is still green and flexible, the squash is still growing and not ready to pick.
Wait for that stem to harden before you harvest spaghetti squash.
4. The Rind Sounds Hollow When Tapped
Give your spaghetti squash a gentle tap.
When spaghetti squash are ready to pick, they sound hollow inside.
This means the flesh has matured and the seeds inside have hardened.
If the tap sounds dull or solid, give your spaghetti squash more time on the vine.
When to Harvest Spaghetti Squash by Timing
Timing matters just as much as appearance when you’re figuring out when spaghetti squash are ready to pick.
Here’s a quick timeline to keep you on track:
1. Days to Maturity
Most spaghetti squash varieties are ready to pick about 90 to 100 days after planting.
Check your seed packet for the specific days to maturity.
This gives you a ballpark for when spaghetti squash are ready to harvest.
2. Late Summer Into Early Fall
Spaghetti squash are typically ready to pick in late summer through early fall.
This is when the days shorten and temperatures cool, which signals the squash to finish ripening.
If you planted in spring, expect spaghetti squash to be ready to pick sometime between August and October.
3. Before the First Frost
Always harvest spaghetti squash before the first hard frost.
A light frost can damage the skin and shorten storage life.
If a frost is coming and your spaghetti squash aren’t quite ready to pick, go ahead and harvest them anyway.
They’ll continue to ripen off the vine in a warm, dry spot.
How to Pick Spaghetti Squash the Right Way
Once you know when spaghetti squash are ready to pick, harvest them properly.
Here’s how:
1. Use Sharp Pruning Shears
Don’t twist or pull the squash off the vine.
Instead, use sharp pruning shears to cut the stem, leaving about two to three inches attached.
Leaving a bit of stem helps the spaghetti squash cure and store better.
2. Leave a Handle for Curing
That short stem piece acts like a handle and a seal.
It keeps moisture out and helps your spaghetti squash last for months.
So when spaghetti squash are ready to pick, always keep a few inches of stem attached.
3. Cure Before Storing
After you pick spaghetti squash, cure them in a warm, dry spot for about one to two weeks.
This hardens the skin further and extends shelf life.
Once cured, store your spaghetti squash in a cool, dry place around 50 to 55°F.
So, How Do You Know When Spaghetti Squash Are Ready to Pick?
Spaghetti squash are ready to pick when the skin is deep golden yellow, rock hard, and the stem has turned brown and corky.
If you’ve been wondering how to know when spaghetti squash are ready to pick, those visual and tactile signs will never steer you wrong.
When spaghetti squash are ready to pick, they’ll sound hollow when tapped and their color will be uniform.
So keep an eye on your vine, run that thumbnail test, and harvest at the right time for the best flavor and longest storage.
Happy harvesting.