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🍂 Fall 2026 — Zone 4b Planting Guide

Here's everything you can plant during Fall 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 73 planting activities across September, October, November.

Harvest This Fall

PlantTypeWhenDays to Maturity
Acorn Squash Vegetable 80–100
Alpine Strawberries Fruit 90–180
Amaranth Vegetable 90–120
Anise Herb 90–120
Basil Herb 50–75
Bee Balm Herb 90–120
Belgian Endive Vegetable 110–150
Black Beans Vegetable 90–120
Brussels Sprouts Vegetable 90–130
Butternut Squash Vegetable 85–110
Cantaloupe Fruit 70–90
Catnip Herb 60–80
Celeriac Vegetable 100–120
Celery Vegetable 80–120
Chamomile Herb 60–90
Chickpeas Vegetable 80–110
Chives Herb 60–90
Christmas Lima Beans Vegetable 80–100
Comfrey Herb 60–90
Corn Vegetable 60–100
Crosne Vegetable 150–200
Cucumber Vegetable 50–70
Delicata Squash Vegetable 80–100
Echinacea Herb 120–180
Edamame Vegetable 75–100
Fennel Vegetable 60–90
Fennel (herb) Herb 60–90
Garlic Chives Herb 60–90
Green Beans Vegetable 50–65
Ground Cherry Fruit 65–80
Honeydew Fruit 80–110
Horehound Herb 75–90
Horseradish Vegetable 120–180
Hubbard Squash Vegetable 100–120
Hyssop Herb 70–90
Kabocha Vegetable 85–100
Kidney Beans Vegetable 85–110
Leeks Vegetable 90–150
Lentils Vegetable 80–110
Lovage Herb 70–90
Melon Vegetable 70–100
Mint Herb 60–90
Onion Vegetable 90–120
Oregano Herb 60–90
Parsnip Vegetable 100–130
Peppers Vegetable 60–90
Pole Beans Vegetable 55–70
Potatoes Vegetable 70–120
Pumpkin Vegetable 85–120
Rue Herb 70–90
Sage Herb 75–90
Salsify Vegetable 100–130
Savoy Cabbage Vegetable 70–110
Shallot Vegetable 90–120
Shiso Vegetable 50–70
Snap Peas Vegetable 55–70
Soybeans Vegetable 80–120
Spaghetti Squash Vegetable 85–100
Squash (Summer) Vegetable 45–65
Squash (Winter) Vegetable 80–120
Strawberries Fruit 90–365
Sunchoke Vegetable 110–150
Sunflower Vegetable 70–100
Tarragon Herb 60–90
Thai Basil Herb 50–75
Thyme Herb 70–90
Tomatillo Vegetable 60–85
Tomatoes Vegetable 60–85
Valerian Herb 120–180
Watermelon Vegetable 70–100
Wax Beans Vegetable 50–65
Yarrow Herb 90–120
Zucchini Vegetable 45–60
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Your Zone 4b Garden Planner — Free

A 24-page printable planner tailored to Zone 4b. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

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Sources & credits

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