🌷 Your Ultimate Garden Calendar!

🍂 First Frost Dates for Ivanhoe, Minnesota 56142

The first 36°F frost date is 30% likely to be on Sep 21. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Sep 28. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Ivanhoe, MN are based on historical climate data.

Always check your local forecast for the most up-to-date frost warnings.

Book Recommendations (ads!)

📚 Growing Under Cover: Techniques for a More Productive, Weather-Resistant, Pest-Free Vegetable Garden

📚 Greenhouse Gardening for Beginners: Step By Step Guide To Build A Year-Round Greenhouse And Grow Herbs, Organic Fruits And Vegetables, Plants, Flowers Plans & Ideas for Extending the Growing Season

📚 How to Garden Indoors & Grow Your Own Food Year Round: Ultimate Guide to Vertical, Container, and Hydroponic Gardening (Creative Homeowner) Vegetables, Herbs, DIY Projects, Composting, Lights, & More

📚 The Year-Round Vegetable Gardener: How to Grow Your Own Food 365 Days a Year, No Matter Where You Live

What is a First Frost Date?

The first fall frost signals the end of your local growing season. This date serves as an important deadline for gardeners and farmers. You'll need to complete harvesting before this point. Annuals and other tender plants will die back when frost hits, and perennial plants will enter their dormant phase for winter. Meanwhile, it's time to enjoy a cup of hot cocoa and a cozy sweater—and start planning your spring garden!

How to use the First Frost Date?

Watch your local weather forecasts in early fall to predict the first frost date. Harvest tender crops and protect vulnerable plants before frost arrives. For late-summer plantings, count backward from your area's average first frost date. This ensures your crops have enough time to mature. Keep track of when frost actually occurs in your garden each year. This helps you identify protected spots where the growing season might last longer.

First Frost Date Probabilities

Probability of frost (36°F) on or before...
10% chanceSep 14
20% chanceSep 18
30% chanceSep 21
40% chanceSep 23
50% chanceSep 26
60% chanceSep 28
70% chanceOct 1
80% chanceOct 4
90% chanceOct 8
Probability of light freeze (32°F) on or before...
10% chanceSep 21
20% chanceSep 25
30% chanceSep 28
40% chanceOct 1
50% chanceOct 4
60% chanceOct 6
70% chanceOct 9
80% chanceOct 13
90% chanceOct 19
Probability of moderate freeze (28°F) on or before...
10% chanceSep 29
20% chanceOct 4
30% chanceOct 7
40% chanceOct 11
50% chanceOct 14
60% chanceOct 18
70% chanceOct 22
80% chanceOct 25
90% chanceOct 29
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 8
20% chanceOct 14
30% chanceOct 19
40% chanceOct 23
50% chanceOct 26
60% chanceOct 28
70% chanceNov 1
80% chanceNov 4
90% chanceNov 9
Probability of hard freeze (20°F) on or before...
10% chanceOct 20
20% chanceOct 25
30% chanceOct 29
40% chanceNov 1
50% chanceNov 3
60% chanceNov 6
70% chanceNov 10
80% chanceNov 14
90% chanceNov 19
Probability of severe hard freeze (16°F) on or before...
10% chanceOct 30
20% chanceNov 2
30% chanceNov 6
40% chanceNov 9
50% chanceNov 12
60% chanceNov 14
70% chanceNov 18
80% chanceNov 22
90% chanceNov 26

Agricultural climatic data from weather station: TYLER (USC00218429)

Back to Weather Calendar