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When to Plant Butternut Squash in Zone 1A

USDA Zone

1A

Cities Covered

5

Avg Last Frost

Monday, June 15, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 1A

Start Seeds Indoors Monday, May 18, 2026
Transplant Outdoors Monday, June 29, 2026

Pro Tip: Start Butternut Squash seeds indoors 4 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Cucurbita moschata
Days to Maturity 100 days
Sun Requirements Full Sun

Cities in Zone 1A

Allakaket, Alaska Beaver, Alaska Circle, Alaska Stevens Village, Alaska Chalkyitsik, Alaska

Other Plants for Zone 1A

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley Rosemary Sage Tarragon Thyme Acorn Squash Artichoke Arugula Asparagus Beefsteak Tomato Beet Bell Pepper Bok Choy Broccoli Brussel Sprout Cabbage Cantaloupe Carrot Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel Garlic Grape Tomato Green Bean Habanero Pepper Head Lettuce Heirloom Tomato Honeydew Melon Jalapeño Pepper Kale Kohlrabi Leaf Lettuce Leek Lima Bean Mustard Okra Onion Parsnip Pea Poblano Pepper Pole Pea Potato Pumpkin Radicchio Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini

Browse Other Zones

Zone 1b Zone 2a Zone 2b Zone 3a Zone 3b Zone 4a Zone 4b Zone 5a Zone 5b Zone 6a Zone 6b Zone 7a Zone 7b Zone 8a Zone 8b Zone 9a Zone 9b Zone 10a Zone 10b Zone 11a Zone 11b Zone 12a Zone 12b Zone 13a

Growing Butternut Squash in USDA Zone 1A

Butternut Squash (Cucurbita moschata) grows well in USDA Hardiness Zone 1A. This zone includes cities like Allakaket, Beaver, Circle and 2 more.

The average last frost date for Zone 1A is around Monday, June 15, 2026. For best results, start your Butternut Squash seeds indoors around Monday, May 18, 2026, then transplant outdoors around Monday, June 29, 2026.

Expect to harvest your Butternut Squash approximately 100 days after planting.