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Tomatillos are ready to be picked when they fill out their husks, turn firm, and the papery husk starts to split open.
That’s the simplest way to know when tomatillos are ready to be picked, but there’s a little more to it than just spotting a torn husk.
Timing, color, feel, and even the weather all play a role in figuring out how to know when tomatillos are ready to be picked.
In this post, we’ll walk through the exact signs to look for, the best time of day to harvest, and a few common mistakes that can ruin your crop.
Let’s dig in.
How to Know When Tomatillos Are Ready to Be Picked
The easiest way to know when tomatillos are ready to be picked is by watching the husk, not the fruit itself.
Unlike tomatoes, tomatillos hide their true color inside a thin, papery lantern.
So you have to rely on other clues to know when tomatillos are ready to be picked.
Here are the most reliable signs that your tomatillos have reached harvest time.
1. The Husk Starts to Split
The number one sign to know when tomatillos are ready to be picked is a husk that begins to split or burst open.
As the fruit inside grows and matures, it pushes against the husk until the papery covering gives way.
You might see a small crack, a tear, or the husk might look like it’s about to pop.
Once that splitting starts, you’ve got a ripe tomatillo ready for harvest.
If you wait too long after this point, the fruit can fall off the plant on its own, and that’s still perfectly fine to eat.
But it’s better to catch them right when the husk opens so you control the picking.
2. The Fruit Feels Firm and Full
Another way to know when tomatillos are ready to be picked is by giving them a gentle squeeze through the husk.
A ripe tomatillo should feel firm, dense, and heavy for its size.
If it feels soft or squishy at all, that means it’s overripe or possibly rotting inside.
If it feels rock hard and tiny, it’s probably still underripe and needs more time on the vine.
The ideal feel is like a ripe plum: firm but with a slight give when you press gently.
That’s a solid clue to know when tomatillos are ready to be picked.
3. The Color Under the Husk Turns Deep Green or Purple
You can also peek inside the husk without damaging it by gently pulling the papery layers apart.
Most tomatillo varieties are ready when the fruit underneath is a bright, deep green, almost like a Granny Smith apple.
Some purple or heirloom varieties will show a rich purple or maroon color when they’re ripe.
If the fruit is pale green or yellowish, it’s not mature yet.
If the fruit looks brown, mushy, or has dark spots, it’s past its prime.
Using color is one of the most accurate ways to know when tomatillos are ready to be picked.
4. The Husk Has Turned From Bright Green to Pale or Brown
As tomatillos mature, the husk itself changes color.
When the plant first sets fruit, the husk is bright green and tight around the berry.
As harvest time approaches, that husk fades to a lighter green, then to a straw yellow, and eventually browns and dries out.
Once you see that parchment-like look and the husk feels papery and dry, you know when tomatillos are ready to be picked.
If the husk is still wet, glossy, and completely green, give the plant another week or so.
5. The Fruit Easily Releases From the Stem
A ripe tomatillo should slip off the stem with almost no effort.
When you tug gently, a mature fruit will detach cleanly without pulling on the branch.
If you have to yank hard or the stem tears the plant, the tomatillo isn’t ready yet.
This natural abscission point is another trustworthy signal to know when tomatillos are ready to be picked.
Best Time of Day to Pick Tomatillos
Once you’ve learned how to know when tomatillos are ready to be picked, you also want to pick them at the right time of day.
The ideal window is early morning, right after the dew has dried but before the heat of the day sets in.
Cooler temperatures keep the fruit crisper and reduce water loss.
If you pick in the hot afternoon sun, the tomatillos can start to soften quickly and lose some of their tangy snap.
Morning harvests also make it easier to spot the signs you use to know when tomatillos are ready to be picked.
The husks are more turgid and easier to examine when they haven’t been wilting in the sun.
How Often to Check Your Plants
Tomatillos can go from underripe to overripe faster than you’d think.
To stay on top of things, check your plants every two to three days once you see the first husk starting to split.
At peak production, a single healthy plant can produce dozens of fruit, and they won’t all ripen at the same time.
You’ll likely be harvesting in waves, which is totally normal.
By checking regularly, you’ll always know when tomatillos are ready to be picked and avoid losing any to rot or pests.
Common Mistakes That Ruin Tomatillo Harvests
Even when you know when tomatillos are ready to be picked, a couple of simple errors can ruin your harvest.
Here’s what to avoid.
1. Picking Too Early
If you pull tomatillos while the husk is still bright green and tight, they won’t ripen properly off the vine.
Unlike some fruits, tomatillos don’t continue to sweeten or develop their tangy flavor after picking.
An underripe tomatillo will be sour, watery, and not very tasty.
So always wait for the husk signs we talked about so you know when tomatillos are ready to be picked.
2. Waiting Too Long
On the flip side, leaving tomatillos on the vine for too long leads to overripe fruit.
Overripe tomatillos get mushy, split open, and can develop a fermented smell.
They’ll also attract fruit flies and ants.
The window between perfectly ripe and too ripe is only a few days.
That’s why regular checks are essential to know when tomatillos are ready to be picked.
3. Picking in Wet Conditions
If you harvest right after a heavy rain, the excess moisture can make the fruit rot during storage.
Wait until the plants have dried off before you pick.
Also, avoid washing tomatillos until you’re ready to use them because the sticky residue on the skin helps preserve them.
So, How to Know When Tomatillos Are Ready to Be Picked?
You know when tomatillos are ready to be picked by looking for a split or dried husk, a firm and full fruit, and a deep green or purple color underneath.
The husk turning from bright green to pale or brown is also a strong indicator.
And remember, the fruit should come off the stem easily without any tugging.
To know when tomatillos are ready to be picked, check your plants every couple of days during peak season.
Harvest in the morning for the best texture and flavor.
Avoid picking too early or too late, and steer clear of wet conditions.
With these tips, you’ll never again wonder how to know when tomatillos are ready to be picked.
Now go enjoy your fresh, tangy tomatillos in salsas, sauces, and all your favorite recipes.