When to Plant Watermelon in Spring Branch, Texas (78070)
Location
Spring Branch, Texas
ZIP Code
78070
USDA Zone
8b
Last Frost
Monday, March 15, 2027
📅 Planting Calendar
Start Seeds Indoors Monday, February 15, 2027
Transplant Outdoors Monday, March 29, 2027
Pro Tip: Start Watermelon seeds indoors 4 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Citrullus lanatus
Days to Maturity 80 days
Mature Height 12-24"
Spread 72"
Type Vine
Fruit Size Large (10-30 lbs)
☀️ Growing Requirements
☀️
Sun
Full Sun (8+ hours)
💧
Water
Regular (1-2 inches/week)
↔️
Spacing
72" apart
🌱
Planting Depth
1" deep
Seeds typically germinate in 4-12 days
🤝 Good Companions
CornSunflowerMarigold
⚠️ Avoid Planting Near
Potato
Other Plants for Spring Branch
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 Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Zucchini
Growing Watermelon in Zone 8b
Watermelon (Citrullus lanatus) is a popular garden vegetable. In Spring Branch, Texas, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Monday, February 15, 2027.
Your average last frost date is Monday, March 15, 2027. Plan to transplant your Watermelon seedlings outdoors around Monday, March 29, 2027, about 2 weeks after your last frost date.