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What to Plant in June — USDA Zone 4a

Here's everything you can start, transplant, sow, and harvest in June in USDA Zone 4a. This zone has an average last spring frost around May 6 and first fall frost around September 28, with a growing season of approximately 145 days.

There are 174 planting activities for June in Zone 4a.

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Zone 4a Short season
145 days
Last Spring Frost May 6
145 growing days
First Fall Frost September 28

Where Is Zone 4a?

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
Astilbe Flower 70–100 days
Basil Herb 50–75 days
Begonias Flower 70–90 days
Black-eyed Susan Flower 60–80 days
Bleeding Hearts Flower 60–90 days
Blueberries Fruit 730–1095 days
Butternut Squash Vegetable 85–110 days
Cantaloupe Fruit 70–90 days
Celosia Flower 60–90 days
Christmas Lima Beans Vegetable 80–100 days
Columbine Flower 70–100 days
Coreopsis Flower 60–80 days
Cranberries Fruit 730–1095 days
Crookneck Squash Vegetable 45–60 days
Cucumber Vegetable 50–70 days
Currants Fruit 730–1095 days
Dahlias Flower 70–120 days
Daylily Flower 60–90 days
Delicata Squash Vegetable 80–100 days
Echinacea (Purple Coneflower) Flower 70–90 days
Elderberries Fruit 730–1095 days
Fennel Vegetable 60–90 days
Foxglove Flower 80–120 days
Gaillardia (Blanket Flower) Flower 70–100 days
Geraniums Flower 70–100 days
Goji Berries Fruit 730–1095 days
Gooseberries Fruit 730–1095 days
Grapes Fruit 730–1095 days
Ground Cherry Fruit 65–80 days
Hardy Kiwi Fruit 1095–1825 days
Haskaps Fruit 730–1095 days
Honeydew Fruit 80–110 days
Horseradish Vegetable 120–180 days
Hostas Flower 60–90 days
Hubbard Squash Vegetable 100–120 days
Hydrangeas Flower 90–150 days
Impatiens Flower 60–75 days
Irises Flower 60–100 days
Jostaberry Fruit 730–1095 days
Kabocha Vegetable 85–100 days
Lilies Flower 70–120 days
Lingonberries Fruit 730–1095 days
Lupine Flower 75–100 days
Marigolds Flower 50–70 days
Medlar Fruit 1095–1825 days
Melon Vegetable 70–100 days
Mulberries Fruit 730–1825 days
Nasturtium Flower 55–65 days
Patty Pan Squash Vegetable 45–60 days
Peonies Flower 90–120 days
Peppers Vegetable 60–90 days
Persimmon Fruit 1095–2555 days
Petunia Flower 70–90 days
Phlox Flower 80–110 days
Pole Beans Vegetable 55–70 days
Portulaca Flower 50–70 days
Potatoes Vegetable 70–120 days
Pumpkin Vegetable 85–120 days
Raspberries Fruit 365–730 days
Rhubarb Vegetable 365–730 days
Roses Flower 90–180 days
Salvia Flower 70–90 days
Scarlet Runner Beans Vegetable 60–80 days
Sedum (Stonecrop) Flower 60–90 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 Flower 70–100 days
Thai Basil Herb 50–75 days
Tomatillo Vegetable 60–85 days
Tomatoes Vegetable 60–85 days
Vinca (Annual) Flower 70–90 days
Watermelon Vegetable 70–100 days
Yarrow Flower 60–90 days
Zinnia Flower 60–70 days
Zucchini Vegetable 45–60 days

Direct Sow in June

Plant Type Date Range Days to Maturity
Acorn Squash Vegetable 80–100 days
Ageratum Flower 60–75 days
Amaranth Vegetable 90–120 days
Basil Herb 50–75 days
Black Beans Vegetable 90–120 days
Butternut Squash Vegetable 85–110 days
Celosia Flower 60–90 days
Christmas Lima Beans Vegetable 80–100 days
Columbine Flower 70–100 days
Coreopsis Flower 60–80 days
Corn Vegetable 60–100 days
Cosmos Flower 60–90 days
Crookneck Squash Vegetable 45–60 days
Cucumber Vegetable 50–70 days
Dahlias Flower 70–120 days
Delicata Squash Vegetable 80–100 days
Echinacea (Purple Coneflower) Flower 70–90 days
Edamame Vegetable 75–100 days
Fennel Vegetable 60–90 days
Foxglove Flower 80–120 days
Gaillardia (Blanket Flower) Flower 70–100 days
Gladiolus Flower 70–100 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
Lupine Flower 75–100 days
Marigolds Flower 50–70 days
Melon Vegetable 70–100 days
Nasturtium Flower 55–65 days
Patty Pan Squash Vegetable 45–60 days
Peppers Vegetable 60–90 days
Phlox Flower 80–110 days
Pole Beans Vegetable 55–70 days
Portulaca Flower 50–70 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 Flower 70–100 days
Sweet Corn Vegetable 60–90 days
Thai Basil Herb 50–75 days
Tomatillo Vegetable 60–85 days
Tomatoes Vegetable 60–85 days
Watermelon Vegetable 70–100 days
Wax Beans Vegetable 50–65 days
Zinnia Flower 60–70 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
Calendula Flower 50–70 days
Chervil Herb 40–60 days
Cilantro Herb 40–60 days
Cress Vegetable 14–21 days
Crocus Flower 10–20 days
Daffodils Flower 20–40 days
Daikon Vegetable 50–70 days
Dianthus Flower 60–80 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
Larkspur Flower 60–90 days
Lettuce Vegetable 30–60 days
Mache Vegetable 40–60 days
Microgreens Vegetable 7–21 days
Mitsuba Vegetable 50–70 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
Sweet Alyssum Flower 45–60 days
Tatsoi Vegetable 35–50 days
Turnip Vegetable 40–60 days
Watercress Vegetable 40–60 days
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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: June 2026.

Sources & credits

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