Blog

What to Plant in July — USDA Zone 1a

Here's everything you can start, transplant, sow, and harvest in July in USDA Zone 1a. This zone has an average last spring frost around June 15 and first fall frost around August 15, with a growing season of approximately 61 days.

There are 1 planting activities for July in Zone 1a.

Share this guide:
Zone 1a Very short season
61 days
Last Spring Frost June 15
61 growing days
First Fall Frost August 15

Where Is Zone 1a?

Harvest in July

Plant Type Date Range Days to Maturity
Microgreens Vegetable 7–21 days
Share this guide:

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: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.