Frost Date Calculator

Frost Date Calculator – GreenRy Enthusiast

❄️ Frost Date Calculator

Find last spring & first fall frost dates

🌸
Last Spring Frost
Apr 15 – May 15
Safe to plant tender crops
🍂
First Fall Frost
Sep 15 – Oct 15
End of growing season

📋 Detailed Information

Growing Season Length150-180 days
Avg Last Freeze (Spring)April 20
Avg First Freeze (Fall)October 10
Frost Probability (May 15)10%
Frost Probability (Sep 15)50%

🌿 When to Plant

  • Cold-hardy crops: 4-6 weeks before last frost
  • Tender vegetables: 2 weeks after last frost
  • Half-hardy plants: 1 week before last frost
💡 Pro Tip: Wait until after last frost for tender seedlings like tomatoes.
⚠️ Mountain areas may see frost any time – keep frost cloth handy!