Seed Starting Calculator to Create Your Seed Planting Calendar

Use our seed-starting calculator to find the best date to start seeds indoors and outdoors and when to transplant seedlings.

Are you wondering when the best time is to plant your garden? What date should you start seeds indoors? Can you plant peppers, tomatoes, and cucumbers in March?

With our seed starting calculator, you can plan when to start sowing seeds indoors and outside.

Enter your zip code, and the planting calculator will list the dates for when you should start sowing seeds for vegetables, flowers, and herbs.

This is the easiest way to create a seed-sowing calendar.

Whether you’re starting seeds indoors for spring planting or planning your fall garden, this seed-starting calculator will provide the dates to keep you on track.

Enter your zip code into the planner to create a chart that gives you the dates for planting vegetable, flower, and herb seeds.

To further customize the seed-starting chart, you can change the frost date probability. Select 30 or 50 percent to change the recommended planting dates.

Once you've created your chart, you can start planning your indoor seed starting schedule. Look at the variety you want to plant and put the date on your garden calendar.

Use this free seed-starting calculator to plan your garden and ensure a successful harvest.