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When to plant Mache in Robertson County, KY

The best window to plant Mache in Robertson County, is April 2–April 23, when soil warms to 50°F. Last frost typically hits April 16; first frost October 26. A second sowing from August 17 to August 31 extends the harvest into fall.

When to Plant Mache in Robertson County, KY

Mache (corn salad) is a cold-hardy salad green with small, rounded, tender leaves and a mild, nutty flavor. It thrives in cool weather and even overwinters in many climates.

Robertson County, Kentucky is in USDA Zone 6b. The average last spring frost is April 16 and the first fall frost is October 26, giving you a growing season of approximately 193 days.

At an elevation of 2,352 feet, Robertson County receives approximately 43 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Mache during the growing season.

Robertson County, KY (Zone 6b) Moderate season
193 days
Last Spring Frost April 16
193 growing days
First Fall Frost October 26

Robertson County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Mache Planting Timeline — Robertson County, KY

Mache Planting Calendar

Activity When Date Range
Start Indoors March 12 Mar 12 – Mar 26
Transplant Outdoors April 16 Apr 16 – Apr 30
Direct Sow April 2 Apr 2 – Apr 23
Harvest May 28 May 28 – Jul 2
Fall Sowing August 17 Aug 17 – Aug 31

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

193 days in Robertson County

Growing Tips for Robertson County

Direct sow in early spring or late summer for fall and winter harvest. Seeds need light to germinate so press gently into soil surface. Harvest whole rosettes.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Mache in Robertson County, KY?

Robertson County is in Zone 6b with an average last frost of April 16. Plan your Mache planting based on this frost date — see the calendar above for exact timing.

What planting zone is Robertson County, KY?

Robertson County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 16 and first fall frost is October 26.

When should I plant Mache in Robertson County, KY?

In Robertson County, KY, plant Mache after the last frost (around April 16) and before the first frost (around October 26). Best results when soil holds above 50°F.

What growing zone is Robertson County, KY for Mache?

Robertson County sits in USDA Zone 6b. Mache grows reliably in zones 2a through 10b, so it's a good fit here.

Can Mache grow in Robertson County's climate?

Yes — Mache grows well in Robertson County's temperate climate. Robertson County averages a 193-day frost-free season, with last frost around April 16 and first frost around October 26.

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Your Robertson County Garden Planner — Free

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

Sources & credits

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