Blog

What to Plant in August — USDA Zone 2b

Here's everything you can start, transplant, sow, and harvest in August in USDA Zone 2b. This zone has an average last spring frost around May 22 and first fall frost around September 10, with a growing season of approximately 111 days.

There are 33 planting activities for August in Zone 2b.

Zone 2b Short season
111 days
Last Spring Frost May 22
111 growing days
First Fall Frost September 10

Where Is Zone 2b?

Harvest in August

Plant Type Date Range Days to Maturity
Beets Vegetable 50–70 days
Bok Choy Vegetable 40–60 days
Broccoli Vegetable 60–90 days
Broccoli Rabe Vegetable 40–60 days
Brussels Sprouts Vegetable 90–130 days
Cabbage Vegetable 60–100 days
Cauliflower Vegetable 55–100 days
Celery Vegetable 80–120 days
Chard Vegetable 50–60 days
Chinese Cabbage Vegetable 50–70 days
Cilantro Herb 40–60 days
Collard Greens Vegetable 55–75 days
Daikon Vegetable 50–70 days
Dill Herb 40–60 days
Fava Beans Vegetable 75–100 days
Kai Lan Vegetable 45–60 days
Kale Vegetable 50–70 days
Kohlrabi Vegetable 45–65 days
Lentils Vegetable 80–110 days
Lettuce Vegetable 30–60 days
Mache Vegetable 40–60 days
Mustard Greens Vegetable 30–50 days
Napa Cabbage Vegetable 55–75 days
Parsley Herb 60–80 days
Parsnip Vegetable 100–130 days
Peas Vegetable 55–70 days
Purslane Vegetable 40–60 days
Rutabaga Vegetable 80–100 days
Savoy Cabbage Vegetable 70–110 days
Snap Peas Vegetable 55–70 days
Snow Peas Vegetable 50–65 days
Spinach Vegetable 35–50 days
Sunflower Vegetable 70–100 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.