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When to plant Asparagus in Trimble County, KY

In Trimble County, Asparagus is a single-season spring crop — there's no second fall window. Plant April 24–May 8 for an 730–1095-day harvest, finishing well before the October 22 first frost.

When to Plant Asparagus in Trimble County, KY

Asparagus

Asparagus is a long-lived perennial vegetable that produces tender spears each spring for 15-20 years once established. It requires patience but rewards with reliable harvests.

Trimble County, Kentucky is in USDA Zone 6b. The average last spring frost is April 10 and the first fall frost is October 22, giving you a growing season of approximately 195 days.

At an elevation of 3,539 feet, Trimble County receives approximately 52.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Asparagus during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Asparagus root diseases.

Trimble County, KY (Zone 6b) Moderate season
195 days
Last Spring Frost April 10
195 growing days
First Fall Frost October 22

Trimble County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Asparagus Planting Timeline — Trimble County, KY

Asparagus Planting Calendar

Activity When Date Range
Transplant Outdoors April 24 Apr 24 – May 8

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
May Transplant Outdoors
June
July
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

730–1095 days

🧪 Soil pH

Needs 6.5–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

195 days in Trimble County

Growing Tips for Trimble County

Plant crowns in deep trenches with compost. Do not harvest spears for the first two years to allow root establishment. Mulch heavily to suppress weeds and retain moisture.

Companion Planting

Good Companions

Avoid Planting Near

  • Garlic
  • Onion

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Asparagus in Trimble County, KY?

Trimble County is in Zone 6b with an average last frost of April 10. Plan your Asparagus planting based on this frost date — see the calendar above for exact timing.

What planting zone is Trimble County, KY?

Trimble County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 10 and first fall frost is October 22.

When should I plant Asparagus in Trimble County, KY?

In Trimble County, KY, plant Asparagus after the last frost (around April 10) and before the first frost (around October 22). Best results when soil holds above 50°F.

What growing zone is Trimble County, KY for Asparagus?

Trimble County sits in USDA Zone 6b. Asparagus grows reliably in zones 3a through 10b, so it's a good fit here.

Can Asparagus grow in Trimble County's climate?

Yes — Asparagus grows well in Trimble County's temperate climate. Trimble County averages a 195-day frost-free season, with last frost around April 10 and first frost around October 22.

🌱

Your Trimble County Garden Planner — Free

A 22-page printable planner built for Trimble County (Zone 6b). 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 Trimble County, KY. Local conditions may vary. Last updated: June 2026.

Sources & credits

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