When to Plant Garlic in Kwethluk, Alaska (99621)
Location
Kwethluk, Alaska
ZIP Code
99621
USDA Zone
4a
Last Frost
Friday, May 15, 2026
📅 Planting Calendar
Start Seeds Indoors Friday, March 20, 2026
Transplant Outdoors Friday, May 29, 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 Kwethluk
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 4a
Garlic (Allium sativum) is a popular garden vegetable. In Kwethluk, Alaska, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.
Your average last frost date is Friday, May 15, 2026. Plan to transplant your Garlic seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.