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When to plant Daikon in Ringgold County, IA

In Ringgold County, plant Daikon in spring between April 9 and April 30, once soil temps hold above 50°F. Ringgold County's last frost averages April 23, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between August 2 and August 16 — roughly 50–70 days before the first frost on October 11.

When to Plant Daikon in Ringgold County, IA

Daikon is a large, mild Japanese radish that can grow over a foot long. It is excellent for pickling, stir-fries, and as a soil-breaking cover crop.

Ringgold County, Iowa is in USDA Zone 5b. The average last spring frost is April 23 and the first fall frost is October 11, giving you a growing season of approximately 171 days.

At an elevation of 1,349 feet, Ringgold County receives approximately 40.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Daikon during the growing season.

Ringgold County, IA (Zone 5b) Moderate season
171 days
Last Spring Frost April 23
171 growing days
First Fall Frost October 11

Ringgold County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Daikon Planting Timeline — Ringgold County, IA

Daikon Planting Calendar

Activity When Date Range
Direct Sow April 9 Apr 9 – Apr 30
Harvest June 4 Jun 4 – Jul 2
Fall Sowing August 2 Aug 2 – Aug 16

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 5.8–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

171 days in Ringgold County

Growing Tips for Ringgold County

Direct sow in late summer for fall harvest. Loosen soil deeply before planting. Thin seedlings to 6 inches apart. Harvest before hard freeze as exposed shoulders may crack.

Companion Planting

Good Companions

Avoid Planting Near

  • Hyssop

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Daikon in Ringgold County, IA?

Ringgold County is in Zone 5b with an average last frost of April 23. Plan your Daikon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ringgold County, IA?

Ringgold County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 23 and first fall frost is October 11.

When should I plant Daikon in Ringgold County, IA?

In Ringgold County, IA, plant Daikon after the last frost (around April 23) and before the first frost (around October 11). Best results when soil holds above 50°F.

What growing zone is Ringgold County, IA for Daikon?

Ringgold County sits in USDA Zone 5b. Daikon grows reliably in zones 2a through 11b, so it's a good fit here.

Can Daikon grow in Ringgold County's climate?

Yes — Daikon grows well in Ringgold County's temperate climate. Ringgold County averages a 171-day frost-free season, with last frost around April 23 and first frost around October 11.

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A 22-page printable planner built for Ringgold County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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

Sources & credits

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