Amaranth Greens is grown for its leaves, ready to start cutting about 45 days after sowing. It's hardy across USDA zones 2 through 11. Once it comes in, a single planting keeps producing for about a month, so you harvest over time rather than all at once.
Zones
2-11
pH Range
4.3-8
Sun
Full Sun
Days to Maturity
45
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What Amaranth Greens is
Amaranth Greens reaches around three feet at maturity.
How to grow Amaranth Greens
Amaranth Greens grows in USDA zones 2 through 11 and is ready to harvest about 45 days after planting. Amaranth Greens does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.3 to 8, on well-drained ground. It needs around 1,000 growing degree days to mature and a growing season of at least 30 frost-free days, which is why climate matters as much as soil.
USDA Zones
2-11
USDA PHZM 2023
Soil pH
4.3 - 8
USDA PLANTS Database
Sun
Full Sun
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Drainage
well (dry spells)
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Frost Tolerance
46.4°F
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Days to Maturity
45 days
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GDD Required
1000+
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Mature Height
3 ft
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Frost-Free Days
30+
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Start the season right
Plant amaranth greens in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Amaranth Greens prefers pH 4.3 to 8 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at maturity
Amaranth Greens is ready about 45 days after sowing (University Extension production guides). Cut the outer leaves as you need them — frequent harvest keeps new growth coming.
Good to know
Good news for pet owners — amaranth greens isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Amaranth Greens isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.
Where Amaranth Greens thrives
On hardiness alone, amaranth greens grows across most of the country — its range (USDA zones 2 through 11) is unusually wide. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 2–11·Where Amaranth Greens growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Amaranth Greens can grow in these states:
See if Amaranth Greens will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether amaranth greens actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Frequently Asked Questions
Can I grow Amaranth Greens in my zone?
Amaranth Greens grows in USDA hardiness zones 2 through 11 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
How long does Amaranth Greens take to grow?
Amaranth Greens is ready to harvest about 45 days after planting (University Extension production guides). Your local frost dates and soil temperature move that window earlier or later.
When should you plant Amaranth Greens?
Most growers plant amaranth greens after the last spring frost, once the soil has warmed, leaving enough of the season for its 30-day frost-free need. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Amaranth Greens need?
Amaranth Greens needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does Amaranth Greens need?
Amaranth Greens prefers soil pH 4.3 to 8, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Amaranth Greens attract pollinators?
Amaranth Greens isn't classified as a notable pollinator plant in our data. Pairing it with high-value bloomers nearby keeps bees and butterflies fed.
Is Amaranth Greens safe for pets?
Amaranth Greens is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.