Regional guide

Iowa Planting and Harvest Timing Vegetable Garden

An Iowa State Extension guide for Iowa vegetable planting schedules, harvest timing, staggered chart use, and April-October planning.

Climate signals

• The Iowa State University Extension Store says this guide can help northern, southern, and central Iowa vegetable growers schedule the planting of gardens so space may be used efficiently.
• The guide includes a staggered planting and harvest chart for crops grown April through October.
• The Extension Store lists the publication date as Publication Date: 07/2024.
• The product page says the guide replaces PM 0534.

Planning notes

• Detailed planting directions are given for more than 25 common garden crops.
• The product description names radishes, lettuces, onions, peas, tomatoes, kale, peppers, squash, melons, and cucumbers as example crops.
• Use the Iowa chart as a schedule reference, then keep variety-specific details tied to each catalog entry source.
• Replaces PM 0534.

Catalog crop examples

These catalog entries match crops covered by the regional timing source; variety-specific details remain tied to each seed entry's own source.

• Marketmore 76 Cucumber Vegetable · Warm · 58 days
• Lacinato Kale Vegetable · Cool · 60 days
• Black Seeded Simpson Lettuce Vegetable · Cool · 45 days
• Hale's Best Jumbo Melon Vegetable · Warm · 85 days
• Evergreen Bunching Onion Vegetable · Shoulder · 65 days
• Sugar Snap Pea Vegetable · Cool · 62 days
• California Wonder Pepper Vegetable · Warm · 72 days
• French Breakfast Radish Vegetable · Cool · 28 days
• Waltham Butternut Squash Vegetable · Warm · 95 days
• Roma Tomato Vegetable · Warm · 76 days

Related regional guides

• Ohio Central Normal-Season Vegetable Garden OSU Extension central Ohio guide for normal-season direct-seeded rows, transplants, timing shifts, succession, and fall crops.
• Indiana Frost and Soil Temperature Vegetable Garden A Purdue Extension guide for Indiana frost-relative planting, soil-temperature thresholds, hardiness groups, fall timing, and succession planning.
• Kansas Expected Planting Calendar Vegetable Garden A K-State Research and Extension guide for Kansas planting windows, crop temperatures, frost resistance, spacing, and harvest timing.
• Kentucky Three-Region Vegetable Garden A University of Kentucky guide for Western, Central, and Eastern Kentucky vegetable planting dates, methods, and safe planting windows.

Source: Iowa State University Extension Planting and Harvesting Times for Garden Vegetables