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When to Plant Mache in USDA Zone 5a

Zone 5a Zone 5a May

Zone 5a gardeners: here's your May plan

If you only do a handful of things in the garden this May, make it these. They're sequenced around your zone's frost timing.

Avg. last frost May 6
Avg. first frost October 6
  1. Move mache into the garden

    Pick a cloudy afternoon or evening to plant. Less transplant shock, and your seedlings will barely blink.

Get ahead of June
  • Starting indoors: mache
  • First harvests: mache
Get your free Zone 5a 2026 Planting Guide →

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.

In Zone 5a, the average last spring frost is around April 25 and the first fall frost is around October 8, giving you a growing season of approximately 166 days.

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Zone 5a Moderate season
166 days
Last Spring Frost April 25
166 growing days
First Fall Frost October 8

Mache Planting Timeline — Zone 5a

Where Is USDA Zone 5a?

The map below highlights the states that contain Zone 5a. Click any state to see the Mache planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Mache Planting Calendar — Zone 5a

Activity When Date Range
Start Indoors March 21 Mar 21 – Apr 4
Transplant Outdoors April 25 Apr 25 – May 9
Direct Sow April 11 Apr 11 – May 2
Harvest June 6 Jun 6 – Jul 11
Fall Sowing July 30 Jul 30 – Aug 13

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

Month-by-Month Timeline

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

Free Zone 5a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 5a with start dates, transplant windows, and harvest times.

Instant PDF download. No spam, unsubscribe any time.

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Growing Conditions

Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

Days to Maturity

40–60 days

Soil pH

6 – 7.5

Zone Temperature Range

°F to °F average annual minimum

Growing Season

166 days (Zone average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing6 inches apart
Row Spacing12 inches between rows

Succession Planting Mache in Zone

4
successive plantings in Zone 's ~166-day season

Sow every 4.6 weeks for continuous harvest throughout the season.

Growing Tips for Mache in Zone

Zone has a short growing season (~166 days). Start Mache indoors early and use season-extension techniques like row covers and cold frames.

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

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Saving Mache Seeds

Recommended for Your Garden

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

🏷️
Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

Related Plants

Frequently Asked Questions

When should I plant Mache in Zone 5a?

In Zone 5a, plan your Mache planting around the average last frost date of April 25. Start seeds indoors around March 21. Direct sow outdoors around April 11. Transplant seedlings around April 25.

Can Mache grow in Zone 5a?

Yes, Mache can grow well in Zone 5a, hardy in USDA zones 2a through 10b. Zone 5a has a growing season of approximately 166 days, which is sufficient for Mache (40-60 days to maturity).

When can I harvest Mache in Zone 5a?

In Zone 5a, expect to harvest Mache from June 6 – July 11. Mache takes 40-60 days from planting to harvest.

What is the last frost date for Zone 5a?

The average last spring frost in Zone 5a is around April 25, and the first fall frost is around October 8. This gives a growing season of approximately 166 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Mache?

Good companion plants for Mache include Lettuce, Spinach, Radish. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.