When to Plant Basil in Rancho Cucamonga, California (91739)
Location
Rancho Cucamonga, California
ZIP Code
91739
USDA Zone
10a
Last Frost
Monday, January 25, 2027
📅 Planting Calendar
Start Seeds Indoors Monday, November 30, 2026
Transplant Outdoors Monday, February 8, 2027
Pro Tip: Start Basil seeds indoors 8 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Ocimum basilicum
Days to Maturity 60 days
Mature Height 12-24"
Spread 12"
Type Bush
Fruit Size N/A
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (keep moist)
↔️
Spacing
12" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 5-10 days
🤝 Good Companions
TomatoPepperOreganoAsparagus
⚠️ Avoid Planting Near
RueSage
Other Plants for Rancho Cucamonga
Blackberry Blueberry Raspberry Strawberry 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 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 Basil in Zone 10a
Basil (Ocimum basilicum) is a popular garden vegetable. In Rancho Cucamonga, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Monday, November 30, 2026.
Your average last frost date is Monday, January 25, 2027. Plan to transplant your Basil seedlings outdoors around Monday, February 8, 2027, about 2 weeks after your last frost date.