When to Plant Cauliflower in Morristown, Tennessee (37814)
Location
Morristown, Tennessee
ZIP Code
37814
USDA Zone
7b
Last Frost
Sunday, April 5, 2026
📅 Planting Calendar
Direct Sow Outdoors Sunday, February 22, 2026
Pro Tip: Cauliflower can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Brassica oleracea
Days to Maturity 75 days
Mature Height 18-24"
Spread 24"
Type Head
Fruit Size Medium (6-8 inch head)
☀️ Growing Requirements
☀️
Sun
Full Sun (6 hours)
💧
Water
Regular (1-1.5 inches/week)
↔️
Spacing
18" apart
🌱
Planting Depth
0.5" deep
Seeds typically germinate in 4-10 days
🤝 Good Companions
BeetCeleryBeanOnion
⚠️ Avoid Planting Near
StrawberryTomato
Other Plants for Morristown
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 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 Cauliflower in Zone 7b
Cauliflower (Brassica oleracea) is a popular garden vegetable. In Morristown, Tennessee, which is in USDA Hardiness Zone 7b, you should direct sow seeds around Sunday, February 22, 2026.
Your average last frost date is Sunday, April 5, 2026. Cauliflower grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.