What to Plant This Fall in Pennsylvania — And How to Beat the First Frost

Plant Care
By John Miller

Your autumn garden can still thrive—if you time it right.

Why Fall Gardening Makes Sense in Pennsylvania

© Primex Garden Center

Don’t let cooler temps stop your garden! Fall gardening in PA actually comes with some big advantages:

  • Cooler temperatures = less stress on plants
  • More consistent rainfall = less watering
  • Fewer pests = healthier crops
  • Ideal for greens and root veggies
  • Whether you’re in Pittsburgh or Lancaster, fall is your second chance at a full harvest.

Know Your First Frost Date (and Beat It)

© LawnStarter

Pennsylvania’s first frost usually arrives between mid-October and early November, depending on your region.

  • Knowing this helps you:
  • Choose crops that mature before frost
  • Time your planting just right
  • Extend your harvest well into late fall

Best Crops to Plant in Late Summer & Early Fall

© Farmers’ Almanac

These crops love the chill and keep growing even after a light frost:

  • Kale – grows sweeter in cool weather
  • Broccoli – strong yields in fall
  • Carrots – plant in August for sweet October harvest
  • Spinach & Lettuce – quick growers, ideal for fall beds
  • Garlic – plant in late fall for summer harvest

Don’t Forget About Cover Crops

© Penn State Extension

Cover crops are your secret weapon for healthy spring soil.

Top choices for PA:

  • Clover – fixes nitrogen
  • Winter Rye – prevents erosion
  • Hairy Vetch – boosts organic matter

Benefits:

  • Prevents weeds
  • Protects soil over winter
  • Adds nutrients for spring planting

Fall Gardening Tips for Success

© Mother Earth News

To keep your fall garden thriving, follow these expert moves:

  • Amend soil with compost – feeds your plants & improves texture
  • Ensure good drainage – avoid root rot in rainy spells
  • Mulch heavily – insulates roots & retains moisture
  • Use disease-resistant varieties – saves you time and stress
  • Still monitor for pests – they don’t disappear completely!

Don’t Let Frost Win

© Creative Vegetable Gardener

With just a little planning, your fall garden in Pennsylvania can produce vibrant, healthy crops well into the cold months.

By planting the right varieties and watching that frost date, you’ll:

  • Extend your season
  • Enjoy fewer pests
  • Improve your spring soil

So grab your gloves—fall gardening is your second harvest.