🌱 MyLocalPlanting

When to Plant Cauliflower in Zone 1A

USDA Zone

1A

Cities Covered

5

Avg Last Frost

Monday, June 15, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 1A

Direct Sow Outdoors Monday, May 4, 2026

Pro Tip: Cauliflower can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica oleracea
Days to Maturity 75 days
Sun Requirements Full Sun (6 hours)
Plant Spacing 18" apart

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 Butternut Squash Cabbage Cantaloupe Carrot 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 Cauliflower in USDA Zone 1A

Cauliflower (Brassica oleracea) 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. Cauliflower can be directly sown outdoors around Monday, May 4, 2026.

Expect to harvest your Cauliflower approximately 75 days after planting.