When to Plant Cilantro in Altoona, Iowa (50009)
Location
Altoona, Iowa
ZIP Code
50009
USDA Zone
5b
Last Frost
Saturday, April 25, 2026
📅 Planting Calendar
Direct Sow Outdoors Saturday, March 28, 2026
Pro Tip: Cilantro can be directly sown outdoors. Plant 4 weeks before your last frost date.
🌿 Plant Details
Scientific Name Coriandrum sativum
Days to Maturity 45 days
Mature Height 12-24"
Spread 6"
Type Leaf
Fruit Size N/A
☀️ Growing Requirements
☀️
Sun
Partial Shade to Full Sun
💧
Water
Regular (keep moist)
↔️
Spacing
6" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 7-10 days
🤝 Good Companions
AniseTomatoSpinachBean
⚠️ Avoid Planting Near
Fennel
Other Plants for Altoona
Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives 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 Cilantro in Zone 5b
Cilantro (Coriandrum sativum) is a popular garden vegetable. In Altoona, Iowa, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, March 28, 2026.
Your average last frost date is Saturday, April 25, 2026. Cilantro grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.