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When to Plant Sweet Potatoes in Hooker County, NE

Sweet potatoes are a warm-season root crop that produces nutritious, sweet tubers in orange, white, and purple varieties. They need a long, hot growing season.

Hooker County, Nebraska is in USDA Zone 5b. The average last spring frost is May 13 and the first fall frost is October 4, giving you a growing season of approximately 144 days.

At an elevation of 737 feet, Hooker County receives approximately 21.1 inches of rainfall annually with predominantly loam soil. Summer highs average 81°F, so choose short-season varieties of Sweet Potatoes to ensure they mature before fall.

Hooker County, NE (Zone 5b) Short season
144 days
Last Spring Frost May 13
144 growing days
First Fall Frost October 4

Hooker County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Sweet Potatoes Planting Timeline — Hooker County, NE

Sweet Potatoes Planting Calendar

Activity When Date Range
Start Indoors March 18 Mar 18 – Apr 1
Transplant Outdoors May 27 May 27 – Jun 10
Direct Sow May 20 May 20 – Jun 10
Harvest August 26 Aug 26 – Oct 14

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors
May Transplant Outdoors Direct Sow
June Transplant Outdoors Direct Sow
July
August Harvest
September Harvest
October Harvest
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 5.5–6.5 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

144 days in Hooker County

Growing Tips for Hooker County

Plant slips (rooted sprouts) after soil is thoroughly warm. Build raised mounds for better root development. Cure harvested roots at 80-85F for 10 days to develop sweetness.

Companion Planting

Good Companions

Avoid Planting Near

  • Squash Summer

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sweet Potatoes in Hooker County, NE?

Hooker County is in Zone 5b with an average last frost of May 13. Plan your Sweet Potatoes planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hooker County, NE?

Hooker County, Nebraska is in USDA Hardiness Zone 5b. The average last spring frost is May 13 and first fall frost is October 4.

🌱

Your Hooker County Garden Planner — Free

A 22-page printable planner built for Hooker 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 Hooker County, NE. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.