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☀️ Summer 2026 — Zone 4b Planting Guide

Here's everything you can plant during Summer 2026 in USDA Zone 4b. With a last frost around May 1 and first frost around October 3, you have a 155-day growing season to work with.

There are 209 planting activities across June, July, August.

Transplant Outdoors This Summer

PlantTypeWhenDays to Maturity
Acorn Squash Vegetable 80–100
Alpine Strawberries Fruit 90–180
Amaranth Vegetable 90–120
Aronia Fruit 730–1095
Basil Herb 50–75
Blueberries Fruit 730–1095
Butternut Squash Vegetable 85–110
Cantaloupe Fruit 70–90
Christmas Lima Beans Vegetable 80–100
Cranberries Fruit 730–1095
Crookneck Squash Vegetable 45–60
Cucumber Vegetable 50–70
Currants Fruit 730–1095
Delicata Squash Vegetable 80–100
Elderberries Fruit 730–1095
Fennel Vegetable 60–90
Goji Berries Fruit 730–1095
Gooseberries Fruit 730–1095
Grapes Fruit 730–1095
Ground Cherry Fruit 65–80
Hardy Kiwi Fruit 1095–1825
Haskaps Fruit 730–1095
Honeydew Fruit 80–110
Hubbard Squash Vegetable 100–120
Jostaberry Fruit 730–1095
Kabocha Vegetable 85–100
Lingonberries Fruit 730–1095
Medlar Fruit 1095–1825
Melon Vegetable 70–100
Mulberries Fruit 730–1825
Patty Pan Squash Vegetable 45–60
Peppers Vegetable 60–90
Persimmon Fruit 1095–2555
Pole Beans Vegetable 55–70
Potatoes Vegetable 70–120
Pumpkin Vegetable 85–120
Raspberries Fruit 365–730
Rhubarb Vegetable 365–730
Scarlet Runner Beans Vegetable 60–80
Serviceberries Fruit 730–1095
Shiso Vegetable 50–70
Snap Peas Vegetable 55–70
Spaghetti Squash Vegetable 85–100
Squash (Summer) Vegetable 45–65
Squash (Winter) Vegetable 80–120
Strawberries Fruit 90–365
Sunflower Vegetable 70–100
Thai Basil Herb 50–75
Tomatillo Vegetable 60–85
Tomatoes Vegetable 60–85
Watermelon Vegetable 70–100
Zucchini Vegetable 45–60

Direct Sow This Summer

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

Harvest This Summer

PlantTypeWhenDays to Maturity
Arugula Vegetable 30–50
Beets Vegetable 50–70
Bok Choy Vegetable 40–60
Borage Herb 50–60
Broccoli Rabe Vegetable 40–60
Carrots Vegetable 60–80
Cauliflower Vegetable 55–100
Chamomile Herb 60–90
Chard Vegetable 50–60
Chervil Herb 40–60
Chinese Cabbage Vegetable 50–70
Cilantro Herb 40–60
Collard Greens Vegetable 55–75
Cress Vegetable 14–21
Daikon Vegetable 50–70
Dill Herb 40–60
Endive Vegetable 45–65
Escarole Vegetable 50–70
Fennel (herb) Herb 60–90
Kai Lan Vegetable 45–60
Kale Vegetable 50–70
Kohlrabi Vegetable 45–65
Komatsuna Vegetable 35–50
Lettuce Vegetable 30–60
Mache Vegetable 40–60
Microgreens Vegetable 7–21
Mitsuba Vegetable 50–70
Mizuna Vegetable 30–45
Mustard Greens Vegetable 30–50
Napa Cabbage Vegetable 55–75
Pac Choi Vegetable 40–55
Parsley Herb 60–80
Peas Vegetable 55–70
Purslane Vegetable 40–60
Radish Vegetable 22–35
Scallions Vegetable 50–70
Snow Peas Vegetable 50–65
Sorrel Herb 40–60
Spinach Vegetable 35–50
Tatsoi Vegetable 35–50
Turnip Vegetable 40–60
Watercress Vegetable 40–60
Anise Herb 90–120
Basil Herb 50–75
Broccoli Vegetable 60–90
Brussels Sprouts Vegetable 90–130
Cabbage Vegetable 60–100
Catnip Herb 60–80
Celery Vegetable 80–120
Celtuce Vegetable 60–90
Chickpeas Vegetable 80–110
Chicory Vegetable 60–85
Chives Herb 60–90
Comfrey Herb 60–90
Corn Vegetable 60–100
Crookneck Squash Vegetable 45–60
Cucumber Vegetable 50–70
Edamame Vegetable 75–100
Fava Beans Vegetable 75–100
Fennel Vegetable 60–90
Garlic Chives Herb 60–90
Green Beans Vegetable 50–65
Horehound Herb 75–90
Hyssop Herb 70–90
Leeks Vegetable 90–150
Lemon Balm Herb 60–70
Lentils Vegetable 80–110
Lima Beans Vegetable 60–90
Lovage Herb 70–90
Melon Vegetable 70–100
Mint Herb 60–90
Onion Vegetable 90–120
Oregano Herb 60–90
Patty Pan Squash Vegetable 45–60
Peppers Vegetable 60–90
Pole Beans Vegetable 55–70
Potatoes Vegetable 70–120
Radicchio Vegetable 60–80
Romanesco Vegetable 75–100
Rue Herb 70–90
Rutabaga Vegetable 80–100
Sage Herb 75–90
Savory Herb 50–70
Savoy Cabbage Vegetable 70–110
Scarlet Runner Beans Vegetable 60–80
Shallot Vegetable 90–120
Shiso Vegetable 50–70
Snap Peas Vegetable 55–70
Squash (Summer) Vegetable 45–65
Sunflower Vegetable 70–100
Sweet Corn Vegetable 60–90
Tarragon Herb 60–90
Thai Basil Herb 50–75
Thyme Herb 70–90
Tomatillo Vegetable 60–85
Tomatoes Vegetable 60–85
Watermelon Vegetable 70–100
Wax Beans Vegetable 50–65
Zucchini Vegetable 45–60
Acorn Squash Vegetable 80–100
Alpine Strawberries Fruit 90–180
Amaranth Vegetable 90–120
Bee Balm Herb 90–120
Belgian Endive Vegetable 110–150
Black Beans Vegetable 90–120
Butternut Squash Vegetable 85–110
Cantaloupe Fruit 70–90
Celeriac Vegetable 100–120
Christmas Lima Beans Vegetable 80–100
Delicata Squash Vegetable 80–100
Ground Cherry Fruit 65–80
Honeydew Fruit 80–110
Kabocha Vegetable 85–100
Kidney Beans Vegetable 85–110
Parsnip Vegetable 100–130
Pumpkin Vegetable 85–120
Salsify Vegetable 100–130
Soybeans Vegetable 80–120
Spaghetti Squash Vegetable 85–100
Squash (Winter) Vegetable 80–120
Strawberries Fruit 90–365
Yarrow Herb 90–120
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