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Seasonal Planting Calendar

Updated May 2026 · 0 plants · 0 actions

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Northern Tier has a 92-day growing season — short, sharp, and rewarding for gardeners who plan around frost. September is the editorial lens for what to sow indoors and direct-seed now. Pick a USDA zone above to compare calendars.

Zone 2b in September

❄️ Dormant37 weeks to last frost (next spring)
September is a planning month for Northern Tier — first frost has passed and the garden is at rest. Inventory leftover seeds, sketch next year's rotations, and order garlic + shallots for fall delivery. Last frost is 37 weeks away.

About Zone 2b

USDA Zone 2b (Northern Tier) has an average last frost of Jun 1 and first frost of Sep 1, giving roughly 92 frost-free days. Brutally short season — favor cold-hardy crops and indoor starts. Sources: UMaine Extension, UMN Extension & Northern Plains gardeners.

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