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Scallions are ready to pick as soon as they reach about six to eight inches in height, which usually happens around 50 to 70 days after planting seeds.
That’s the quick answer, but knowing exactly when to harvest scallions is about more than just the calendar, because you can pick them at several different stages depending on how you plan to use them.
If you’ve been growing these versatile alliums and wondering when are scallions ready to pick from your garden bed or container, you’re in the right place.
Scallions are actually immature onions harvested before the bulb forms, and the beauty is that they are incredibly forgiving, meaning you have a wide window to decide when scallions are ready to pick.
In this post, we’ll dig into the signs that tell you when are scallions ready to pick, how to know if scallions are ready to pick early for a milder taste, and the best techniques for harvesting that keep your plants producing.
Let’s get your green thumb ready to enjoy fresh scallions straight from the soil.
Signs That Tell You When Scallions Are Ready To Pick
You can rely on a few clear visual and tactile clues to answer the question of when are scallions ready to pick from your garden.
Once you know what to look for, you’ll feel confident every single time that scallions are ready to pick.
1. Check the Height of the Green Tops
The most obvious sign that scallions are ready to pick is the height of the leafy green tops.
When those hollow, pencil-thick leaves reach at least six inches tall, your scallions are ready to pick for a tender, delicate flavor.
For a more substantial harvest with a stronger bite, you can wait until they are ten to twelve inches tall, and they will still be perfectly edible.
The key is that if you leave them much longer than that, they will start to form a bulb and transition into a small onion, which changes the texture you expect from scallions.
2. Feel the Thickness of the Stalk
Another reliable way to know when scallions are ready to pick is to check the diameter of the white stalk at the soil line.
You want the stalk to be about a quarter to a half inch thick, roughly the width of a pencil or your pinky finger.
If the stalk still feels as thin as a piece of spaghetti, give them more time in the ground before you decide that scallions are ready to pick.
Conversely, if the stalk is getting thicker than three-quarters of an inch, you’re actually looking at a young bulb onion rather than a true scallion, so harvest sooner next time.
3. Consider the Days to Maturity
Counting days from when you sowed the seeds is a great way to anticipate when scallions are ready to pick, though it’s not a strict rule.
Most scallion varieties are ready to pick between 60 to 90 days after germination, depending on whether you planted in early spring or late summer.
If you planted sets or transplants rather than seeds, those scallions are ready to pick much faster, often in just 30 to 40 days.
While the calendar is helpful, the actual size of the plant is the best confirmation that scallions are ready to pick for your kitchen.
How To Know If Scallions Are Ready To Pick Early
You might be wondering if scallions are ready to pick earlier than that six-inch mark, especially if you love a milder, sweeter green onion taste.
Yes, you can absolutely harvest baby scallions, and they are a gourmet treat that many gardeners overlook.
1. Baby Scallions for a Mild Flavor
Baby scallions are ready to pick when they are only three to four inches tall, and they have an incredibly mild, almost grassy flavor.
These micro scallions are perfect for garnishing soups, sprinkling over salads, or adding a subtle onion note to cream cheese.
Just remember that when scallions are ready to pick at this tiny stage, they will shrink significantly when cooked, so use them generously.
2. The One-Stalk Rule for Continuous Harvest
A clever trick to know scallions are ready to pick without pulling the entire plant is to snip one outer stalk from each bunch.
Once those individual stalks are as thick as a pencil and about six inches long, that means scallions are ready to pick for a cut-and-come-again harvest.
Leave the central stalk and the roots intact, and the plant will keep producing new leaves for several more weeks.
This way, you’ll always have a fresh supply, and you never have to guess when scallions are ready to pick for each meal.
Do Scallions Need To Be Ready To Pick Before Flowering?
Yes, it’s crucial that scallions are ready to pick before the plant sends up a flower stalk, which is a process called bolting.
Once bolting begins, the scallion leaves become tough, fibrous, and excessively pungent, and they lose that desirable crisp texture.
1. Watch for a Central Bud in the Middle
If you see a thick, round bud starting to form in the very center of the scallion’s green tops, you have about a week before flowering begins.
That is your last clear window to know when scallions are ready to pick, so act fast and pull them all.
Bolting is often triggered by sudden temperature swings in late spring or by stress like drought, which tricks the plant into reproducing.
2. Scallions Are Still Edible After Bolting
Even if a flower stalk has emerged, the scallions are technically still edible, but they won’t be as enjoyable in fresh dishes.
You can still chop them finely and cook them into stir-fries, soups, or omelets where the texture change is less noticeable.
However, for the best experience, you want to ensure scallions are ready to pick well before that flowering stage appears.
The Best Time Of Day To Harvest Scallions
Once you’ve decided that scallions are ready to pick, the timing of your harvest during the day can make a difference in their shelf life.
1. Morning Harvest for Maximum Crispness
The best time to harvest is in the early morning, right after the dew has dried but before the sun gets too intense.
At this point, the plant is fully hydrated, so the scallion stalks are plump, crisp, and full of moisture that gives them that satisfying snap.
If you harvest in the heat of the afternoon, scallions are ready to pick but they will wilt much faster because they lose water rapidly.
2. Use a Garden Fork or Your Hands
To harvest, you can simply grab the base of the scallion with your fingers and pull straight up with a gentle, steady tug.
If the soil is compacted or dry, loosen it first with a hand trowel or garden fork to avoid snapping the white stem below the surface.
Once scallions are ready to pick and out of the ground, shake off excess dirt and lay them in a shaded basket, never in direct sun.
So, When Are Scallions Ready To Pick?
Scallions are ready to pick when they reach six to eight inches in height and their stalks are about a quarter to a half inch thick.
That’s the golden rule, but you can harvest them earlier for baby greens or a bit later for a stronger flavor, as long as no flower bud has formed.
The true answer to when are scallions ready to pick is that you have a forgiving two-to-three-week window where the quality remains high.
As long as you check the height, feel the stalk thickness, and keep an eye out for bolting, you’ll always know when scallions are ready to pick.
So, next time you’re in the garden grabbing fresh herbs, trust those signals that scallions are ready to pick and enjoy the vibrant taste of homegrown greens in your next meal.