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When to Plant Turnip in Roanoke County, VA

Turnips are a fast-growing cool-season root vegetable with edible roots and greens. Baby turnips are sweet and tender while mature ones are more pungent.

Roanoke County, Virginia is in USDA Zone 7b. The average last spring frost is April 25 and the first fall frost is October 20, giving you a growing season of approximately 178 days.

At an elevation of 350 feet, Roanoke County receives approximately 47.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 92°F, providing good warmth for Turnip during the growing season.

Roanoke County, VA (Zone 7b) Moderate season
178 days
Last Spring Frost April 25
178 growing days
First Fall Frost October 20

Roanoke County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.8

Drainage

Well Drained

Monthly Watering Guide for Turnip

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

Month Turnip Needs Rainfall You Supplement Action
Jan 3.6" 0" ❄️ Dormant
Feb 3.9" 0" ❄️ Dormant
Mar 4.6" 0" ❄️ Dormant
Apr 4.3" 3.7" 0.6" 💧 Light watering
May 4.3" 3.6" 0.7" 💧 Light watering
Jun 4.3" 4.4" 0" ✅ Rainfall sufficient
Jul 4.3" 5" 0" ✅ Rainfall sufficient
Aug 4.3" 4" 0.3" 💧 Light watering
Sep 4.3" 3.9" 0.4" 💧 Light watering
Oct 4.3" 3" 1.3" 💧 Light watering
Nov 3.8" 0" ❄️ Dormant
Dec 4.2" 0" ❄️ Dormant

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

Turnip Planting Timeline — Roanoke County, VA

Turnip Planting Calendar

Activity When Date Range
Direct Sow April 11 Apr 11 – May 2
Harvest May 23 May 23 – Jun 27
Fall Sowing August 11 Aug 11 – Aug 25

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

178 days in Roanoke County

Growing Tips for Roanoke County

Direct sow in early spring or late summer. Harvest when roots are 2-3 inches in diameter for best flavor. Both the roots and the greens are nutritious and edible.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Turnip in Roanoke County, VA?

Roanoke County is in Zone 7b with an average last frost of April 25. Plan your Turnip planting based on this frost date — see the calendar above for exact timing.

What planting zone is Roanoke County, VA?

Roanoke County, Virginia is in USDA Hardiness Zone 7b. The average last spring frost is April 25 and first fall frost is October 20.

🌱

Your Roanoke County Garden Planner — Free

A 22-page printable planner built for Roanoke County (Zone 7b). 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 Roanoke County, VA. 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.