When to Plant Eggplant in Denton, Montana (59430)
Location
Denton, Montana
ZIP Code
59430
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 Eggplant seeds indoors 8 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Solanum melongena
Days to Maturity 70 days
Mature Height 24-36"
Spread 24"
Type Bush
Fruit Size Medium (4-8 inches)
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (1 inch/week)
↔️
Spacing
24" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 7-14 days
🤝 Good Companions
BeanPepperSpinachThyme
⚠️ Avoid Planting Near
Fennel
Other Plants for Denton
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 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 Eggplant in Zone 4b
Eggplant (Solanum melongena) is a popular garden vegetable. In Denton, Montana, 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 Eggplant seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.