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Here is the BEST Time to Plant Primrose in Ohio (2023 Guide)

Do you want to grow primrose in Ohio, but don’t know when to plant them?

Planting primrose is not as easy as it seems.

Here’s why:

  • Primrose are not able to survive frost or cold weather under 50 degrees Fahrenheit.

So if you plant them outside too early in the spring they will die. And if you plant them too late, your primrose won’t produce a bloom.

Today, I’m going to teach you the ideal time to plant primrose in Ohio:

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


When to Plant Primrose in Ohio

As you may have already guessed, you need to pay very close attention to your local weather in the spring. Specifically, you are going to need to watch when the last frost occurs.

In general, when there hasn’t been a frost for two weeks, you are SAFE to plant your primrose outside in Ohio!

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

Ohio Last & First Frost Dates

Ohio Frost Dates

Unfortunately, Mother Nature plays cruel tricks on us every year.

It should be noted that the above dates are just averages.

There are years when the last frost comes MUCH later. Sometimes, the last frost happens much earlier and you can get your primrose planted outside in Ohio much quicker.

Like I said before, you need to be very diligent in checking your local weather.

So what happens if a frost comes AFTER you plant your primrose?

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

  • If primrose are in pots, bring them inside
  • If primrose are in the ground, cover them in burlap and hope they survive

Also, make sure not to plant your primrose in your garden too late.

  • Planting primrose too late will cause small blooms or even worse, no blooms.


When Should You Start Your Primrose Seeds Indoors?

Depending on the type of primrose, it takes roughly 21-42 days (3 to 6 weeks) to grow primrose from seed indoors and then transplant them to your garden. And then another 2 years to bloom!

For a specific date that you should start primrose seeds indoors you should:

  • Find the last average frost date HERE
  • And then subtract 21 days from it

Not only this, but I recommend again paying close attention to your local weather report.

It should also be noted that the best technique for bringing your primrose plants outside is to introduce them (in their pots) outside for an hour. And then increase the amount of time they spend outside each day by an hour until they have been outside for 8 hours.

This will “harden” your primrose plant, increasing its chances of fighting off diseases, insects, droughts, and wet conditions.

If you want to learn WHEN to plant ANY Flower in Ohio, head over to HERE and just type in the flower you want to grow.

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