Mâche (Corn Salad) in Zone 5a & 5b

Valerianella locusta

Yes, mâche (corn salad) grows in zones 5a and 5b. Plant it outside Apr 12–Apr 19.

When to plant mâche (corn salad) in zone 5b

Zones 5a and 5b share the same average frost dates, so this page covers both.

Method: Direct sow: Direct-sow outside. It doesn't transplant well, or doesn't need the extra time indoors.

Start indoorsNot typically started indoors
Direct sow / transplant outsideApr 12–Apr 19
Estimated harvestJun 1–Jun 8 (~50 days after direct-sowing)

Spacing: 9 per square foot (square-foot-gardening spacing). Mature height: 2-4 in.

Plant alongside it in zone 5b

These go outside within two weeks of mâche (corn salad) in zone 5b, so one planting day can cover them.

Mâche (Corn Salad)
Photo: AnRo0002 via Wikimedia Commons, CC0, cropped.

Mâche, also called corn salad or lamb's lettuce, is a mild, nutty winter salad green with an unusual quirk: it prefers cold over heat, and its seed goes dormant above 70°F rather than simply germinating slowly.

How mâche (corn salad) fits zone 5's season

Zone 5b's frost-free window runs about 148 days, from May 10 to October 5. Mâche (corn salad) needs about 50 days from sowing to first harvest.

Mâche (Corn Salad) planting windows in every zone

Zone 5b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.

ZoneStart indoorsSow or plant outHarvest
2a & 2bNot usuallyApr 22–Apr 29Jun 11–Jun 18
3a & 3bNot usuallyMay 2–May 9Jun 21–Jun 28
4a & 4bNot usuallyApr 17–Apr 24Jun 6–Jun 13
5a & 5b (your zone)Not usuallyApr 12–Apr 19Jun 1–Jun 8
6a & 6bNot usuallyMar 28–Apr 4May 17–May 24
7a & 7bNot usuallyMar 13–Mar 20May 2–May 9
8a & 8bNot usuallyFeb 25–Mar 4Apr 16–Apr 23
9a & 9bNot usuallyJan 18–Jan 25Mar 9–Mar 16
10a & 10bNot usuallyJan 2–Jan 9Feb 21–Feb 28
11a & 11bNot usuallyDec 4–Dec 11Jan 23–Jan 30

Harvest dates are about 50 days after the sow or plant-out date.

Zone 2 sows before zone 3 here, which looks wrong and is not. USDA zones rank winter cold, not season length, and zone 2 is mostly interior Alaska, where hard winters come with warm summers. More on what a zone measures.

Good companions

No well-established companions for mâche (corn salad).

Where to buy mâche seeds

High Mowing Organic Seeds (each supplier's mâche seeds)

Varieties we recommend, and where to get them:

See why we recommend these suppliers →

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See it growing

Search YouTube for "growing mâche (corn salad)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)

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Growing Mâche (Corn Salad) in USDA zone 5b

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Growing Mâche (Corn Salad) in USDA zone 5b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.

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