When to Plant Garlic in Twin Mountain, New Hampshire (03595)
Location
Twin Mountain, New Hampshire
ZIP Code
03595
USDA Zone
4b
Last Frost
Tuesday, May 5, 2026
📅 Planting Calendar
Start Seeds Indoors Tuesday, March 10, 2026
Transplant Outdoors Tuesday, May 19, 2026
Pro Tip: Start Garlic seeds indoors 8 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Allium sativum
Days to Maturity 240 days
Mature Height 12-24"
Spread 6"
Type Bulb
Fruit Size Medium (2-3 inch bulb)
☀️ Growing Requirements
☀️
Sun
Full Sun (6+ hours)
💧
Water
Low to Moderate
↔️
Spacing
6" apart
🌱
Planting Depth
2" deep
Seeds typically germinate in 8-21 days
🤝 Good Companions
TomatoPepperBrassicasCarrotRose
⚠️ Avoid Planting Near
BeanPeaAsparagus
Other Plants for Twin Mountain
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 Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel 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
Growing Garlic in Zone 4b
Garlic (Allium sativum) is a popular garden vegetable. In Twin Mountain, New Hampshire, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, March 10, 2026.
Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Garlic seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.