Zone 4b Planting Calendar 2026Complete Seed Starting Schedule
Zone 4b has a moderate-length growing season of about 150 days. Most vegetables can be grown successfully with proper timing, and the longer season allows for better tomato and pepper production than colder zones.
Last Frost
April 24
First Fall Frost
September 22
Growing Season
151 days
2026 Monthly Planting Schedule
Your month-by-month guide for Zone 4b
1January
🌱 Indoors: Start early crops indoors
☀️ Notes: Plan garden, order seeds
2February
🌱 Indoors: Start main season crops
🌍 Direct: Cold hardy crops direct sow
☀️ Notes: Prepare soil when workable
3March
🌱 Indoors: Continue seed starting
🌍 Direct: Direct sow cool season
☀️ Notes: Prepare beds
4April
🌱 Indoors: Finish warm season indoors
🌍 Direct: Direct sow beans, corn
☀️ Notes: Main transplant month
5May
🌍 Direct: Succession plant
☀️ Notes: Plant out all seedlings
6June
🌱 Indoors: Start fall crops
🌍 Direct: Plant fall vegetables
☀️ Notes: Maintain and water
7July
🌱 Indoors: Fall transplant seedlings
🌍 Direct: Plant fall crops
☀️ Notes: Begin fall planning
8August
🌍 Direct: Plant fall greens
☀️ Notes: Fall garden planting
9September
🌍 Direct: Plant garlic
☀️ Notes: Fall planting continues
10October
🌱 Indoors: Order seeds
☀️ Notes: Clean up, prepare winter
Recommended Varieties for Zone 4b
Top-performing varieties adapted to your zone
tomato
pepper
lettuce
cucumber
squash
Best Crops for Zone 4b
Top performers in your zone's climate
💡 Zone Tip: Plant cold-hardy crops like spinach and peas as soon as the ground can be worked in early April.
Zone 4b on the Map
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