Cool Temperate

What Can Grow in Zone 5b

Cool temperate climate with ~145 day season. Excellent for most vegetables; mild winters allow some overwintering crops.

Zone 5b has average winter lows of -15°F to -10°F (-26°C to -23°C). You can grow tomatoes, peppers, eggplant, and many more plants. The frost-free growing season lasts about 145 days.

-15°FWinter Low
-10°FWinter High
145 daysFrost-Free
April 15Last Frost
September 8First Frost
🥕 Vegetables
tomatoes peppers eggplant broccoli carrots beans squash cucumbers
🍎 Fruits
apples pears cherries peaches strawberries raspberries blueberries
🌿 Herbs
basil dill parsley mint thyme oregano sage rosemary
🌸 Flowers
marigolds zinnias coneflowers daylilies peonies irises
🌳 Trees & Shrubs
sugar maple red oak American elm white pine dogwood redbud
💡 Planting Tips

Use transplants for warm-season crops. Extend fall harvest with row covers. Try garlic as a fall-planted crop for summer harvest.

🌱
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📍 States in Zone 5b
IowaIllinoisMichiganOhioPennsylvaniaNew YorkKansasMissouri
🔀 Neighboring Zones
5a6a

Frequently Asked Questions

USDA Zone 5b has average annual minimum temperatures of -15°F to -10°F (-26°C to -23°C). This temperature range determines which perennial plants can survive winter outdoors.

The average last frost date in Zone 5b is around April 15, and the first fall frost typically arrives around September 8. This gives a frost-free growing season of approximately 145 days.

Zone 5b is well-suited for tomatoes, peppers, eggplant, broccoli, carrots, beans. Use transplants for warm-season crops. Extend fall harvest with row covers. Try garlic as a fall-planted crop for summer harvest.

Fruits that thrive in Zone 5b include apples, pears, cherries, peaches, strawberries, raspberries. Always check that specific cultivars are hardy to your zone before planting perennial fruit trees and shrubs.