This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase, I may receive a small commission at no extra cost to you.
Black tomatoes are ready to pick when they yield slightly to gentle pressure and their skin has turned from a deep green to a rich, dark mahogany or charcoal hue.
This timing is crucial because black tomatoes don’t continue to sweeten significantly once they’re off the vine, so picking them at the perfect moment ensures you get that complex, smoky, and slightly sweet flavor they’re famous for.
If you’ve been growing these dramatic beauties and wondering exactly when are black tomatoes ready to pick, you’re in the right place because there are a few reliable signs that tell you the precise day to harvest.
In this post, we’ll walk through visual cues, texture tests, and even a few insider tricks to help you know when black tomatoes are ready to pick every single time.
Let’s dig in.
When Are Black Tomatoes Ready To Pick – The Key Signs
Black tomatoes are ready to pick when they’ve reached full color development, and this is the most reliable indicator you’ll ever use.
Unlike red tomatoes that turn a uniform scarlet, black varieties like Black Krim, Cherokee Purple, and Black Cherry develop a dusky, bruised-looking complexion that can be tricky to read at first.
The best way to know when black tomatoes are ready to pick is to look at the blossom end (the bottom) because that’s where the color change happens last.
Once the bottom has turned from green to a dark brownish-purple or smoky red-brown, the tomato is at its peak ripeness.
1. The Shoulder And Bottom Color Test
When black tomatoes are ready to pick, the shoulders (the top near the stem) might still show some green, and that’s totally normal.
What matters most is what’s happening at the bottom because that’s the last part to ripen.
If the bottom still has any hint of green, then those black tomatoes are not ready to pick yet, so give them a few more warm, sunny days on the vine.
Once the entire fruit, including the bottom, has turned that deep, dusky shade with no green remaining, you’re good to go.
2. Gentle Pressure Test – The Squeeze Method
Black tomatoes are ready to pick when they feel slightly soft when you apply gentle pressure with your thumb.
A ripe black tomato will give a little, like a ripe peach, but it shouldn’t feel mushy or have any give that suggests over-ripeness.
If the tomato feels rock hard, then it’s not yet ready, so leave it on the vine for another few days.
If it feels like it’s starting to split or ooze, you’ve waited too long, but that rarely happens if you check daily.
3. The Ease Of Separation Trick
Another clue that tells you when black tomatoes are ready to pick is how easily they detach from the vine.
A ripe black tomato will practically fall off into your hand with just a slight twist and lift.
If you have to tug hard or use scissors to cut the stem, the tomato is still clinging to the plant because it’s not fully ripe yet.
That resistance is the plant’s way of saying, “Not quite yet, friend.”
How Weather Affects When Black Tomatoes Are Ready To Pick
Black tomatoes are ready to pick earlier in hot, sunny weather, but cool or cloudy spells can really slow down the ripening process.
Understanding how temperature impacts ripening helps you plan your harvests because black tomatoes are ready to pick based on accumulated heat, not just calendar days.
1. Ideal Temperatures For Ripening
Black tomatoes ripen best when daytime temperatures stay between 70°F and 85°F (21°C to 29°C).
When the mercury climbs above 90°F (32°C), the ripening process actually stalls because the plant stops producing lycopene and anthocyanins, which are the pigments responsible for that dark color.
So if you have a heatwave, black tomatoes are ready to pick a bit later than expected, and they might even stay greenish longer.
2. What To Do With Green Black Tomatoes At Season’s End
As fall approaches and frost threatens, black tomatoes are ready to pick even if they’re still green because they won’t ripen on the vine in cold weather.
In that case, pick them and bring them indoors to ripen on a windowsill or in a paper bag.
They won’t develop the same complexity as vine-ripened ones, but they’ll still turn edible and slightly sweet over a week or two.
Just know that once you pick green black tomatoes, they’ll never reach the same flavor peak as those that ripened fully on the plant.
Why Waiting For The Perfect Moment Matters
Black tomatoes are ready to pick at the exact point when their sugar content and acidity balance out to create that signature bold taste.
If you pick them too early, they’ll be tart, starchy, and lacking in that deep, wine-like sweetness that black varieties are known for.
If you wait too long, they can become mealy and overly soft, losing that juicy, firm texture that makes them so delightful in salads and sandwiches.
So learning when black tomatoes are ready to pick isn’t just about timing, it’s about unlocking the full potential of the fruit.
1. Flavor Development In The Final Days
The last 48 to 72 hours on the vine are when black tomatoes really develop their sugars and aromatic compounds.
During this window, the acids mellow out, the sugars concentrate, and those smoky, earthy notes deepen.
That’s why it’s worth checking your plants daily as they approach ripeness because black tomatoes are ready to pick with almost no warning.
One day they’re greenish-brown, and two days later they’re perfect.
2. Avoiding Cracking And Pest Damage
Leaving black tomatoes on the vine past their peak increases the risk of cracking, especially after a heavy rain.
Cracked tomatoes invite fruit flies, ants, and fungal diseases that can ruin your harvest quickly.
By knowing exactly when black tomatoes are ready to pick, you beat the pests and the weather to the punch.
Check your plants every single morning and evening during peak season so you catch them at that flawless moment.
Variety-Specific Nuances For Knowing When Black Tomatoes Are Ready To Pick
Not all black tomatoes ripen in the same way, so the variety you’re growing can slightly shift when black tomatoes are ready to pick.
1. Cherokee Purple – The Classic
Cherokee Purple tomatoes are ready to pick when the bottom turns from green to a deep, dusky rose with a brick-red undertone.
Their shoulders often stay dark green-black, which is a characteristic that confuses many gardeners.
So if you see those green shoulders, don’t panic because that’s just how this variety rolls.
2. Black Krim – The Smoky Sensation
Black Krim tomatoes are ready to pick when they develop a glossy, dark brownish-purple skin that almost looks black in low light.
They tend to feel softer than other types when ripe, so use a lighter touch when testing.
And because they’re prone to cracking near the stem, it’s better to pick them slightly earlier rather than risk a split.
3. Black Cherry – The Bite-Sized Treat
Black Cherry tomatoes are ready to pick when their green bottoms turn a rich, purple-brown that looks almost bruised.
These small tomatoes are ready to pick when they come off the vine with the slightest tug.
Wait until they’re fully colored because if you pick them while the bottom is still greenish, they’ll taste like watery grass instead of candy.
So, When Are Black Tomatoes Ready To Pick?
Black tomatoes are ready to pick when they reach full color, especially at the blossom end, and yield slightly to gentle pressure.
The perfect moment arrives when the bottom has no green left, the fruit feels tender but not mushy, and it separates from the vine with minimal effort.
Weather plays a big role too because black tomatoes are ready to pick sooner in warm, sunny conditions, while heatwaves or cool snaps can delay ripening.
Different varieties like Cherokee Purple and Black Krim have their own subtle cues, but the same general rules apply across the board.
Now that you know exactly when black tomatoes are ready to pick, head out to your garden and give those fruits a gentle squeeze.
Your patience will be rewarded with the most incredible, complex flavor you’ve ever tasted from a homegrown tomato.