When to Plant Heirloom Tomato in Zone 1A
USDA Zone
1A
Cities Covered
5
Avg Last Frost
Tuesday, June 15, 2027
Plant Type
Indoor Start
📅 Planting Calendar for Zone 1A
Start Seeds Indoors Tuesday, May 4, 2027
Transplant Outdoors Tuesday, June 29, 2027
Pro Tip: Start Heirloom Tomato seeds indoors 6 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Solanum lycopersicum
Days to Maturity 80 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 30" apart
🤝 Companion Plants for Heirloom Tomato
Good Companions
BasilCarrotParsleyMarigoldBorage
Avoid Planting Near
BrassicasFennelCornKohlrabi
Cities in Zone 1A
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 Brussels Sprout Butternut Squash 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 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 Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Watermelon Radish Napa Cabbage Popcorn Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Chervil Summer Savory Dahlia Snapdragon Pansy Sweet Pea Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Serviceberry Fig Tree Avocado Tree Persimmon Tree Olive Tree
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Growing Heirloom Tomato in USDA Zone 1A
Heirloom Tomato (Solanum lycopersicum) 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 Tuesday, June 15, 2027. For best results, start your Heirloom Tomato seeds indoors around Tuesday, May 4, 2027, then transplant outdoors around Tuesday, June 29, 2027.
Expect to harvest your Heirloom Tomato approximately 80 days after planting.