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When to plant Mache in Jefferson County, KY

Plant Mache in Jefferson County, when soil hits 50°F — usually March 24. Continue planting through April 14 for the spring crop. A second sowing from August 21 to September 4 extends the harvest into fall.

When to Plant Mache in Jefferson 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.

Jefferson County, Kentucky is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 30, giving you a growing season of approximately 206 days.

At an elevation of 3,279 feet, Jefferson County receives approximately 43.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Mache during the growing season.

Jefferson County, KY (Zone 7a) Long season
206 days
Last Spring Frost April 7
206 growing days
First Fall Frost October 30

Jefferson County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Mache Planting Timeline — Jefferson County, KY

Mache Planting Calendar

Activity When Date Range
Start Indoors March 3 Mar 3 – Mar 17
Transplant Outdoors April 7 Apr 7 – Apr 21
Direct Sow March 24 Mar 24 – Apr 14
Harvest May 19 May 19 – Jun 23
Fall Sowing August 21 Aug 21 – Sep 4

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July
August Fall Sowing
September Fall Sowing
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 7a

📆 Growing Season

206 days in Jefferson County

Growing Tips for Jefferson 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 Jefferson County, KY?

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

What planting zone is Jefferson County, KY?

Jefferson County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 30.

When should I plant Mache in Jefferson County, KY?

In Jefferson County, KY, plant Mache after the last frost (around April 7) and before the first frost (around October 30). Best results when soil holds above 50°F.

What growing zone is Jefferson County, KY for Mache?

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

Can Mache grow in Jefferson County's climate?

Yes — Mache grows well in Jefferson County's temperate climate. Jefferson County averages a 206-day frost-free season, with last frost around April 7 and first frost around October 30.

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Your Jefferson County Garden Planner — Free

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

Sources & credits

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