When to plant amaranth

Tender · frost kills it

Amaranthis keyed to your local frost dates. The offsets below hold anywhere — but the calendar dates they land on don’t. Enter your ZIP for dates tuned to your city’s nearest NOAA station.

Amaranth planting timeline

Direct sow

1–3 wks after

Harvest

50–60 days later

-1 wksLAST SPRING FROST+11 wks

Tender: wait until the danger of frost has passed before planting out.

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Amaranth planting FAQ

Can I direct sow amaranth?

Yes — you can sow amaranth directly outdoors 1–3 weeks after the last spring frost.

How long does amaranth take to grow?

Amaranth takes about 50–60 days from sowing to harvest, depending on the variety and conditions.

Is amaranth frost-hardy?

Tender: wait until the danger of frost has passed before planting out.

Planting reminders

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Planting windows are offsets from your local 1991–2020 NOAA frost normals. How we compute this.