my LocalPlanting

When to Plant Heirloom Tomato in Zone 1B

USDA Zone

1B

Cities Covered

11

Avg Last Frost

Thursday, June 10, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 1B

Start Seeds Indoors Thursday, April 29, 2027
Transplant Outdoors Thursday, June 24, 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
See the full companion planting guide for Heirloom Tomato →

Cities in Zone 1B

Arctic Village, Alaska Bettles Field, Alaska Chicken, Alaska Galena, Alaska Hughes, Alaska Kobuk, Alaska Manley Hot Springs, Alaska Rampart, Alaska Shungnak, Alaska Tanacross, Alaska Tanana, Alaska

Other Plants for Zone 1B

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 Tulip Daffodil Crocus Hyacinth Grape Hyacinth Ornamental Allium Bearded Iris Snowdrop Asiatic Lily Gladiolus

Browse Other Zones

Zone 1a 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 Heirloom Tomato in USDA Zone 1B

Heirloom Tomato (Solanum lycopersicum) grows well in USDA Hardiness Zone 1B. This zone includes cities like Arctic Village, Bettles Field, Chicken and 8 more.

The average last frost date for Zone 1B is around Thursday, June 10, 2027. For best results, start your Heirloom Tomato seeds indoors around Thursday, April 29, 2027, then transplant outdoors around Thursday, June 24, 2027.

Expect to harvest your Heirloom Tomato approximately 80 days after planting.