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What to Plant in June — USDA Zone 1b

Here's everything you can start, transplant, sow, and harvest in June in USDA Zone 1b. This zone has an average last spring frost around June 7 and first fall frost around August 25, with a growing season of approximately 79 days.

There are 7 planting activities for June in Zone 1b.

Zone 1b Very short season
79 days
Last Spring Frost June 7
79 growing days
First Fall Frost August 25

Where Is Zone 1b?

Transplant Outdoors in June

Plant Type Date Range Days to Maturity
Cabbage Vegetable 60–100 days
Microgreens Vegetable 7–21 days
Savoy Cabbage Vegetable 70–110 days

Direct Sow in June

Plant Type Date Range Days to Maturity
Cabbage Vegetable 60–100 days
Microgreens Vegetable 7–21 days
Savoy Cabbage Vegetable 70–110 days

Harvest in June

Plant Type Date Range Days to Maturity
Microgreens Vegetable 7–21 days

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.