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Here is the BEST Time to Harvest Catnip in Michigan (2022 Guide)

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

Harvesting catnip is not as easy as it seems.

Here’s why:

  • Catnip 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 catnip in Michigan:

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


When Do I Harvest Catnip in Michigan?

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

Harvest Catnip if They Look Like This!!!

harvesting catnip

The physical features of catnip 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 catnip if they have the following physical features:

  • The entire catnip is a solid red color. If the catnip is a lighter shade of red, it is not ready to be harvested
  • The catnip 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 Catnip During THIS Time of Year!!!

In general, you should harvest catnip:

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

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

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

Michigan Last & First Frost Dates

michigan 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 catnip are in pots, bring them inside
  • If catnip are in the ground, cover them in burlap and hope they survive
  • Pick all catnip. 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 Michigan, head over to HERE and just type in the vegetable you want to grow.

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