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What to Plant in June — USDA Zone 3b

Here's everything you can start, transplant, sow, and harvest in June in USDA Zone 3b. This zone has an average last spring frost around May 10 and first fall frost around September 22, with a growing season of approximately 135 days.

There are 99 planting activities for June in Zone 3b.

Zone 3b Short season
135 days
Last Spring Frost May 10
135 growing days
First Fall Frost September 22

Where Is Zone 3b?

Transplant Outdoors in June

Plant Type Date Range Days to Maturity
Acorn Squash Vegetable 80–100 days
Alpine Strawberries Fruit 90–180 days
Amaranth Vegetable 90–120 days
Aronia Fruit 730–1095 days
Asparagus Vegetable 730–1095 days
Blueberries Fruit 730–1095 days
Butternut Squash Vegetable 85–110 days
Cranberries Fruit 730–1095 days
Crookneck Squash Vegetable 45–60 days
Cucumber Vegetable 50–70 days
Currants Fruit 730–1095 days
Delicata Squash Vegetable 80–100 days
Elderberries Fruit 730–1095 days
Goji Berries Fruit 730–1095 days
Gooseberries Fruit 730–1095 days
Hardy Kiwi Fruit 1095–1825 days
Haskaps Fruit 730–1095 days
Horseradish Vegetable 120–180 days
Hubbard Squash Vegetable 100–120 days
Jostaberry Fruit 730–1095 days
Kabocha Vegetable 85–100 days
Lingonberries Fruit 730–1095 days
Patty Pan Squash Vegetable 45–60 days
Peppers Vegetable 60–90 days
Pole Beans Vegetable 55–70 days
Potatoes Vegetable 70–120 days
Pumpkin Vegetable 85–120 days
Raspberries Fruit 365–730 days
Rhubarb Vegetable 365–730 days
Scarlet Runner Beans Vegetable 60–80 days
Serviceberries Fruit 730–1095 days
Shiso Vegetable 50–70 days
Snap Peas Vegetable 55–70 days
Spaghetti Squash Vegetable 85–100 days
Squash (Summer) Vegetable 45–65 days
Squash (Winter) Vegetable 80–120 days
Strawberries Fruit 90–365 days
Sunchoke Vegetable 110–150 days
Sunflower Vegetable 70–100 days
Tomatoes Vegetable 60–85 days
Zucchini Vegetable 45–60 days

Direct Sow in June

Plant Type Date Range Days to Maturity
Acorn Squash Vegetable 80–100 days
Amaranth Vegetable 90–120 days
Black Beans Vegetable 90–120 days
Butternut Squash Vegetable 85–110 days
Corn Vegetable 60–100 days
Crookneck Squash Vegetable 45–60 days
Cucumber Vegetable 50–70 days
Delicata Squash Vegetable 80–100 days
Edamame Vegetable 75–100 days
Green Beans Vegetable 50–65 days
Hubbard Squash Vegetable 100–120 days
Kabocha Vegetable 85–100 days
Kidney Beans Vegetable 85–110 days
Lima Beans Vegetable 60–90 days
Patty Pan Squash Vegetable 45–60 days
Peppers Vegetable 60–90 days
Pole Beans Vegetable 55–70 days
Potatoes Vegetable 70–120 days
Pumpkin Vegetable 85–120 days
Scarlet Runner Beans Vegetable 60–80 days
Shiso Vegetable 50–70 days
Snap Peas Vegetable 55–70 days
Soybeans Vegetable 80–120 days
Spaghetti Squash Vegetable 85–100 days
Squash (Summer) Vegetable 45–65 days
Squash (Winter) Vegetable 80–120 days
Sunflower Vegetable 70–100 days
Sweet Corn Vegetable 60–90 days
Tomatoes Vegetable 60–85 days
Wax Beans Vegetable 50–65 days
Zucchini Vegetable 45–60 days

Harvest in June

Plant Type Date Range Days to Maturity
Arugula Vegetable 30–50 days
Beets Vegetable 50–70 days
Bok Choy Vegetable 40–60 days
Borage Herb 50–60 days
Broccoli Rabe Vegetable 40–60 days
Chervil Herb 40–60 days
Cilantro Herb 40–60 days
Cress Vegetable 14–21 days
Daikon Vegetable 50–70 days
Dill Herb 40–60 days
Endive Vegetable 45–65 days
Kai Lan Vegetable 45–60 days
Kohlrabi Vegetable 45–65 days
Komatsuna Vegetable 35–50 days
Lettuce Vegetable 30–60 days
Mache Vegetable 40–60 days
Microgreens Vegetable 7–21 days
Mizuna Vegetable 30–45 days
Mustard Greens Vegetable 30–50 days
Pac Choi Vegetable 40–55 days
Purslane Vegetable 40–60 days
Radish Vegetable 22–35 days
Sorrel Herb 40–60 days
Spinach Vegetable 35–50 days
Tatsoi Vegetable 35–50 days
Turnip Vegetable 40–60 days
Watercress Vegetable 40–60 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.