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☀️ Summer 2026 — Zone 1b Planting Guide

Here's everything you can plant during Summer 2026 in USDA Zone 1b. With a last frost around June 7 and first frost around August 25, you have a 79-day growing season to work with.

There are 9 planting activities across June, July, August.

Transplant Outdoors This Summer

PlantTypeWhenDays to Maturity
Cabbage Vegetable 60–100
Microgreens Vegetable 7–21
Savoy Cabbage Vegetable 70–110

Direct Sow This Summer

PlantTypeWhenDays to Maturity
Cabbage Vegetable 60–100
Microgreens Vegetable 7–21
Savoy Cabbage Vegetable 70–110

Harvest This Summer

PlantTypeWhenDays to Maturity
Microgreens Vegetable 7–21
Cabbage Vegetable 60–100
Savoy Cabbage Vegetable 70–110
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Your Zone 1b Garden Planner — Free

A 24-page printable planner tailored to Zone 1b. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

Sources & credits

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