I hope you’re having a wonderful first few days of spring!

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This time of year is my FAVORITE. When the weather starts warming up enough to putz around the garden, my hopes and dreams for the season are at their peak, and I’m just itching to get things going!

I know I’m not alone in this because I’ve been having more conversations lately about when it’s safe to start seeds or move plants outside. It reminded me of something really important I wanted to share with you.

And that is understanding the difference between your garden zone and your frost dates.

These two things often get mixed up, especially online, and that can cause a lot of confusion, and even frustration when it causes plants to die. But they each serve an important purpose, and understanding the difference can help you garden much more successfully this time of year.
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So what’s the difference between your garden zone and your frost dates?

Your garden zone tells you what plants can survive winter where you live. It’s based on the average coldest temperatures your area receives in winter, and that determines if a plant is considered an annual or a perennial in your area.

This helps when choosing perennials, shrubs, and trees that you want to come back year after year.

But your frost date is different.

This is what helps you decide when it’s actually safe to plant frost-sensitive vegetables and flowers in the spring. It also helps you know when to expect frost-sensitive plants to come to an end in your garden in the fall.
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Vegetables like tomatoes, peppers, cucumbers, and many annual flowers, like begonias or geraniums, can’t tolerate freezing temperatures. Planting too early can mean starting over after a late season frost wipes everything out overnight.

Knowing your average last frost date helps you time things better and gives your plants a much better start. This is why many seed packets and planting guides reference frost dates instead of zones.

A simple way to think about it is:

Garden zone answers the question: What can live here long term?

Frost date answers the question: When can I safely plant?

Both matter. But right now, as we move closer to planting season, frost dates become especially important.

If you’re not sure what your zone or frost date is, you can look it up online with a quick search of “frost dates + (your city or zip code)”. Or feel free to hit reply and tell me your location. I’m always happy to help.

Happy growing! 🌱

Liz