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Here is the BEST Time to Start Tomato Seeds in Ohio (2022)

Do you want to grow tomato seeds in Ohio, but don’t know when to start them?

Starting tomato seeds is not as easy as it seems.

Here’s why:

  • Tomato Seeds must be consistenly watered, receive at least 8 hours of sunlight a day, & be kept at room temperature of at least 70 degrees Fahrenheit.

So if you don’t consistently water them they won’t germinate. If they aren’t in a room that is at least 70 degrees Fahrenheit they won’t sprout. And if it receives 8 hours of sunlight the plant itself won’t grow.

  • Because Ohio’s growing season is not long enough, tomato seeds cannot be sowed outside and should only be started indoors.

Because of this, I’m going to teach you the ideal time to start tomato seeds indoors in Ohio:

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


When to Start Tomato Seeds Indoors

Depending on the type of tomato, it takes roughly 40-60 days (6 to 8 weeks) to grow tomatoes from seed indoors before you can transplant them into your garden.

The approximate date of when you should start your tomato seeds indoors can be found by:

  • Finding the last average frost date HERE
  • And then subtract 60 days from it

You can also find the average last frost date for most major cities in the below chart that I have created:

Ohio Frost Dates

To help ensure the greatest success of your tomato seeds germinating you should:

  • Use a heat mat to ensure the gardening pot remains at 70 degrees Fahrenheit
  • Use a grow light to control how much light your tomato seeds receive
  • Water your seeds with a spray bottle to ensure your seeds are not overwatered

It should also be noted that you will not want to introduce your tomato plants into your garden until 2 weeks after your last frost or else your plant will potentially die or not bear vegetables.

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

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