When to Plant Radish in Santa Clara, California (95053)
Location
Santa Clara, California
ZIP Code
95053
USDA Zone
9b
Last Frost
Wednesday, February 10, 2027
📅 Planting Calendar
Direct Sow Outdoors Wednesday, December 30, 2026
Pro Tip: Radish can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Rhaphanus sativus
Days to Maturity 25 days
Mature Height 6-12"
Spread 3"
Type Root
Fruit Size Small (1-2 inches)
☀️ Growing Requirements
☀️
Sun
Full Sun to Partial Shade
💧
Water
Regular (keep moist)
↔️
Spacing
2" apart
🌱
Planting Depth
0.5" deep
Seeds typically germinate in 3-7 days
🤝 Good Companions
CarrotLettucePeaCucumberSpinach
⚠️ Avoid Planting Near
Hyssop
Other Plants for Santa Clara
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 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 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 Radish in Zone 9b
Radish (Rhaphanus sativus) is a popular garden vegetable. In Santa Clara, California, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Wednesday, December 30, 2026.
Your average last frost date is Wednesday, February 10, 2027. Radish grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.