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Here is the BEST Time to Harvest Scallion in Idaho (2022 Guide)

Are you growing scallion in Idaho, but don’t know when the best time to harvest them is?

Harvesting scallion is not as easy as it seems.

Here’s why:

  • Scallion have a very short window when they can be harvested and still taste great.

So if you harvest them too early they may not be ready and taste bad. And if you harvest them too late they may become infected with mold, fungus, insects, etc., and become inedible.

Today, I’m going to teach you the ideal time to harvest scallion in Idaho:

  • To Learn More About HOW to Grow Scallion, Check Out This GUIDE!


When Do I Harvest Scallion in Idaho?

As you may have already guessed, there are two main factors that determine when you should harvest your scallion: the physical features of the scallion & weather (time).

Harvest Scallion if They Look Like This!!!

harvesting scallion

The physical features of scallion are what most gardeners commonly rely on to determine if they are ready to be picked off the plant or not.

In general, you should harvest scallion if they have the following physical features:

  • The entire scallion is a solid red color. If the scallion is a lighter shade of red, it is not ready to be harvested
  • The scallion is slightly soft. Too hard means it is not ready. Too soft means it is overripe (but still edible)
  • Easily able to be deattached from the the plant. This means it has absorbed all the nutrients it needs and is ready.

Harvest Your Scallion During THIS Time of Year!!!

In general, you should harvest scallion:

  • 65 to 85 days after starting scallion from seed
  • 40 to 50 days after planting scallion in your garden
  • 20 to 30 days after scallion first appear

And no matter what, you should ALWAYS harvest your scallion before the first frost of the year. Frost will immediately kill your scallion plant and make your scallion inedible.

For your reference, I have created this table for average frost dates for most major cities in Idaho. If your city is not listed below you can find its Last & First Frost Dates HERE.

Idaho Last & First Frost Dates

Idaho Frost Dates

It should be noted that you should not overly rely on the first frost of the year. The average first frost of the year is only correct 30% of the time.

Instead, pay close attention to your local weather.

When you know a frost is coming you need to take action.

  • If scallion are in pots, bring them inside
  • If scallion are in the ground, cover them in burlap and hope they survive
  • Pick all scallion. If they are not ready, place them in a brown paper bag and store them for approximately 1 to 2 weeks to see if they become edible.

If you want to learn WHEN to harvest ANY Vegetable in Idaho, head over to HERE and just type in the vegetable you want to grow.

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