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When to plant Jicama in Wayne County, KY

In Wayne County, plant Jicama in spring between April 25 and May 16, once soil temps hold above 50°F. Wayne County's last frost averages April 18, so most warm-season crops establish quickly once soil holds above 60°F. For a fall crop, sow between and — roughly 120–180 days before the first frost on October 20.

When to Plant Jicama in Wayne County, KY

Jicama is a tropical legume grown for its crisp, sweet, starchy root. It requires a very long, warm growing season but produces a refreshing, water chestnut-like tuber.

Wayne County, Kentucky is in USDA Zone 7a. The average last spring frost is April 18 and the first fall frost is October 20, giving you a growing season of approximately 185 days.

At an elevation of 3,122 feet, Wayne County receives approximately 54.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Jicama during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Jicama root diseases.

Wayne County, KY (Zone 7a) Moderate season
185 days
Last Spring Frost April 18
185 growing days
First Fall Frost October 20

Wayne County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-6.8

Drainage

Well Drained

Monthly Watering Guide for Jicama

Jicama needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Jicama Needs Rainfall You Supplement Action
Jan 4.8" 0" ❄️ Dormant
Feb 4.7" 0" ❄️ Dormant
Mar 5.2" 0" ❄️ Dormant
Apr 4.3" 4.3" 0" ✅ Rainfall sufficient
May 4.3" 4.5" 0" ✅ Rainfall sufficient
Jun 4.3" 4.7" 0" ✅ Rainfall sufficient
Jul 4.3" 5.5" 0" ✅ Rainfall sufficient
Aug 4.3" 5.4" 0" ✅ Rainfall sufficient
Sep 4.3" 4" 0.3" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 3.9" 0" ❄️ Dormant
Dec 4.1" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Wayne County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Jicama Planting Timeline — Wayne County, KY

Jicama Planting Calendar

Activity When Date Range
Start Indoors February 28 Feb 28 – Mar 14
Transplant Outdoors May 2 May 2 – May 16
Direct Sow April 25 Apr 25 – May 16
Harvest September 5 Sep 5 – Nov 14

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

120–180 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

185 days in Wayne County

Growing Tips for Wayne County

Start seeds indoors 8-10 weeks before last frost. Pinch off flowers to direct energy to root development. Harvest before first frost when roots are 3-6 inches across.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Jicama in Wayne County, KY?

Wayne County is in Zone 7a with an average last frost of April 18. Plan your Jicama planting based on this frost date — see the calendar above for exact timing.

What planting zone is Wayne County, KY?

Wayne County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 18 and first fall frost is October 20.

When should I plant Jicama in Wayne County, KY?

In Wayne County, KY, plant Jicama after the last frost (around April 18) and before the first frost (around October 20). Best results when soil holds above 50°F.

What growing zone is Wayne County, KY for Jicama?

Wayne County sits in USDA Zone 7a. Jicama grows reliably in zones 7a through 11b, so it's a good fit here.

Can Jicama grow in Wayne County's climate?

Yes — Jicama grows well in Wayne County's temperate climate. Wayne County averages a 185-day frost-free season, with last frost around April 18 and first frost around October 20.

🌱

Your Wayne County Garden Planner — Free

A 22-page printable planner built for Wayne County (Zone 7a). 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 Wayne County, KY. Local conditions may vary. Last updated: July 2026.

Sources & credits

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