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When to plant Brussels Sprouts in Boyd County, KY

For Boyd County, gardeners: plant Brussels Sprouts April 6 through April 27 once soil reads 50°F. A second sowing from August 14 to August 28 extends the harvest into fall.

When to Plant Brussels Sprouts in Boyd County, KY

Brussels Sprouts

Brussels sprouts are a cold-hardy brassica that produces miniature cabbage-like heads along a tall stalk. Flavor improves after a light frost.

Boyd County, Kentucky is in USDA Zone 7a. The average last spring frost is April 20 and the first fall frost is October 23, giving you a growing season of approximately 186 days.

At an elevation of 2,124 feet, Boyd County receives approximately 46.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Brussels Sprouts during the growing season.

Boyd County, KY (Zone 7a) Moderate season
186 days
Last Spring Frost April 20
186 growing days
First Fall Frost October 23

Boyd County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Brussels Sprouts Planting Timeline — Boyd County, KY

Brussels Sprouts Planting Calendar

Activity When Date Range
Start Indoors March 16 Mar 16 – Mar 30
Transplant Outdoors April 20 Apr 20 – May 4
Direct Sow April 6 Apr 6 – Apr 27
Harvest July 20 Jul 20 – Sep 14
Fall Sowing August 14 Aug 14 – Aug 28

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–130 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

186 days in Boyd County

Growing Tips for Boyd County

Start seeds indoors 12-14 weeks before first fall frost. Stake tall plants to prevent toppling. Remove lower leaves as sprouts develop to improve air circulation.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Brussels Sprouts in Boyd County, KY?

Boyd County is in Zone 7a with an average last frost of April 20. Plan your Brussels Sprouts planting based on this frost date — see the calendar above for exact timing.

What planting zone is Boyd County, KY?

Boyd County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 20 and first fall frost is October 23.

When should I plant Brussels Sprouts in Boyd County, KY?

In Boyd County, KY, plant Brussels Sprouts after the last frost (around April 20) and before the first frost (around October 23). Best results when soil holds above 50°F.

What growing zone is Boyd County, KY for Brussels Sprouts?

Boyd County sits in USDA Zone 7a. Brussels Sprouts grows reliably in zones 2a through 10b, so it's a good fit here.

Can Brussels Sprouts grow in Boyd County's climate?

Yes — Brussels Sprouts grows well in Boyd County's temperate climate. Boyd County averages a 186-day frost-free season, with last frost around April 20 and first frost around October 23.

🌱

Your Boyd County Garden Planner — Free

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

Sources & credits

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