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When to Plant Beets in Story County, IA

Beets are a dual-purpose root vegetable with edible roots and nutritious greens. They come in red, golden, and striped varieties and are rich in vitamins and minerals.

Story County, Iowa is in USDA Zone 5a. The average last spring frost is April 30 and the first fall frost is October 7, giving you a growing season of approximately 160 days.

At an elevation of 1,177 feet, Story County receives approximately 34.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Beets to ensure they mature before fall.

Story County, IA (Zone 5a) Moderate season
160 days
Last Spring Frost April 30
160 growing days
First Fall Frost October 7

Story County Soil Profile

Soil Type

Silt Loam

Soil pH

6-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (78 days to spare)
Transplant: Apr 23 🍅 Harvest: Jun 18 – Jul 16
Recommended (50%) ✓ Fits season (76 days to spare)
Transplant: Apr 30 🍅 Harvest: Jun 25 – Jul 23
Safe Start (90%) ✓ Fits season (71 days to spare)
Transplant: May 14 🍅 Harvest: Jul 9 – Aug 6

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 142 gal / 100 sq ft
Beets needs ~780 GDD — county provides 2,080 GDD Excellent fit

Beets Planting Timeline โ€” Story County, IA

Beets Planting Calendar

Activity When Date Range
Direct Sow April 16 Apr 16 โ€“ May 7
Fall Sowing July 29 Jul 29 โ€“ Aug 12
Harvest June 11 Jun 11 โ€“ Jul 9

Plant 0.5" deep ยท 4" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Direct Sow
May Direct Sow
June Harvest
July Fall Sowing Harvest
August Fall Sowing
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

50โ€“70 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 5a

Growing Season

160 days

Growing Tips for Story County

Soak seeds overnight before planting to improve germination. Thin seedlings to 3-4 inches apart. Harvest roots when 1.5-3 inches in diameter for best texture.

Companion Planting

Good Companions

Avoid Planting Near

  • Pole Beans
  • Mustard Greens

Level Up Your Garden

๐ŸŒพ Save Your Own Beets Seeds
Life Cycle Biennial
Pollination Wind Pollinated
How to Collect Replant roots for 2nd-year seeds. Rub stalks to free clusters.
Storage Store airtight; viable 6 years at 35ยฐF, under 50% humidity.

Isolate 1/2 mile from Swiss chard โ€” same species, they will cross.

Frequently Asked Questions

When should I plant Beets in Story County, IA?

Story County is in Zone 5a with an average last frost of April 30. Plan your Beets planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Story County, IA?

Story County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is April 30 and first fall frost is October 7.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Story County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Story County, IA. Local conditions may vary. Last updated: April 2026.