When to Plant Popcorn in Mount Auburn, Iowa (52313)

Location

Mount Auburn, Iowa

ZIP Code

52313

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, May 24, 2026

Pro Tip: Sow Popcorn directly outdoors 2 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Zea mays everta

Days to Maturity 100 days

Mature Height 48-84"

Spread 18"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

12" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-10 days

Ready to Plant Popcorn in Mount Auburn?

Get your seeds now so they're ready by Sunday, May 24, 2026.

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🤝 Good Companions

BeanSquashCucumber

⚠️ Avoid Planting Near

TomatoSweet Corn (cross-pollination)

Other Plants for Mount Auburn

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 Brussels 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 Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Watermelon Radish Napa Cabbage Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Chervil Summer Savory Dahlia Snapdragon Pansy Sweet Pea Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Serviceberry Fig Tree Avocado Tree Persimmon Tree Olive Tree

Growing Popcorn in Zone 5a

Popcorn (Zea mays everta) is a popular garden vegetable. In Mount Auburn, Iowa, which is in USDA Hardiness Zone 5a, you should direct sow seeds around Sunday, May 24, 2026.

Your average last frost date is Sunday, May 10, 2026. Popcorn grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.