When to Plant Oregano in Britton, South Dakota (57430)
Location
Britton, South Dakota
ZIP Code
57430
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 Oregano seeds indoors 8 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Origanum vulgare
Days to Maturity 80 days
Mature Height 12-24"
Spread 18"
Type Spreading
Fruit Size N/A
☀️ Growing Requirements
☀️
Sun
Full Sun (6+ hours)
💧
Water
Low to Moderate
↔️
Spacing
12" apart
🌱
Planting Depth
0.125" deep
Seeds typically germinate in 7-14 days
🤝 Good Companions
PepperTomatoBasil
Other Plants for Britton
Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint 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 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
Growing Oregano in Zone 4a
Oregano (Origanum vulgare) is a popular garden vegetable. In Britton, South Dakota, 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 Oregano seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.