When to plant Mache in Fayette County County,
Fayette County County's climate puts the Mache spring window between April 21 and May 12. time plantings around the expected last-frost window for best survival. A second sowing from July 27 to August 10 extends the harvest into fall.
When to Plant Mache in Fayette County, IA
Your June game plan for Fayette County, Iowa
Each item below is timed to Fayette County, Iowa's frost dates and soil temperatures. Skip nothing, stress about nothing.
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Fire up the seed-starting tray: mache
Your window is short. These crops want several weeks of indoor growth before they go outside.
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Collect mache at their peak
Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.
July prep starts now
- First harvests: mache
- Fall sowing: mache
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.
Fayette County, Iowa is in USDA Zone 5a. The average last spring frost is May 5 and the first fall frost is October 5, giving you a growing season of approximately 153 days.
At an elevation of 1,228 feet, Fayette County receives approximately 41.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Mache to ensure they mature before fall.
Fayette County Soil Profile
Soil Type
Silt Loam
Soil pH
6.2-6.8
Drainage
Well Drained
Mache Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Soil Compatibility in Fayette County
How your county's soil matches Mache's growing requirements.
Soil pH
Your soil pH (6.2–6.8) is within Mache's preferred range (6.0–7.5).
Soil Texture
The silt loam soil in Fayette County is excellent for Mache — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is excellent (4.5%) — Mache will thrive.
How to Plant Mache
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Mache
Sow every 4.6 weeks. Last sowing by Aug 06 to harvest before frost.
For a dedicated fall crop, sow by Jul 27.
Mache Water Budget
Monthly Watering Guide for Mache
Mache needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Mache Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.9" | 0" | ❄️ Dormant |
| Feb | — | 2.1" | 0" | ❄️ Dormant |
| Mar | — | 2.5" | 0" | ❄️ Dormant |
| Apr | — | 4.5" | 0" | ❄️ Dormant |
| May | 4.3" | 4.6" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 4.5" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 4.8" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 3.5" | 0.8" | 💧 Light watering |
| Oct | 4.3" | 3.3" | 1" | 💧 Light watering |
| Nov | — | 2.8" | 0" | ❄️ Dormant |
| Dec | — | 2.1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (May–Oct in Fayette County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Mache Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Mache Planting Timeline — Fayette County, IA
Mache Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 31 | Mar 31 – Apr 14 |
| Transplant Outdoors | May 5 | May 5 – May 19 |
| Direct Sow | April 21 | Apr 21 – May 12 |
| Harvest | June 16 | Jun 16 – Jul 21 |
| Fall Sowing | July 27 | Jul 27 – Aug 10 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Fall Sowing Harvest |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
1"/week · Natural rainfall sufficient
📅 Days to Maturity
40–60 days
🧪 Soil pH
Needs 6–7.5 · Your soil: ideal
🗺️ USDA Zone
Zone 5a
📆 Growing Season
153 days in Fayette County
Growing Tips for Mache in Fayette County
Direct sow Mache outdoors after May 05 in Fayette County when soil has warmed and frost danger has passed.
Your generous 153.0-day season in Fayette County allows multiple plantings of Mache. Sow every 20.0 days for continuous harvest.
General growing tips
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 →
Mache in Other Locations
Frequently Asked Questions
When should I plant Mache in Fayette County, IA?
Fayette County is in Zone 5a with an average last frost of May 5. Plan your Mache planting based on this frost date — see the calendar above for exact timing.
What planting zone is Fayette County, IA?
Fayette County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is May 5 and first fall frost is October 5.
When should I plant Mache in Fayette County, ?
In Fayette County, , plant Mache after the last frost (around May 5) and before the first frost (around October 5). Best results when soil holds above 50°F.
What growing zone is Fayette County, for Mache?
Fayette County sits in USDA Zone 5a. Mache grows reliably in zones 2a through 10b, so it's a good fit here.
Can Mache grow in Fayette County's climate?
Yes — Mache grows well in Fayette County's temperate climate. Fayette County averages a 153-day frost-free season, with last frost around May 5 and first frost around October 5.
Your Fayette County Garden Planner — Free
A 22-page printable planner built for Fayette County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.