Plant Database / Survival Calories / Grain Amaranth
Survival Calories

Grain Amaranth

Amaranthus species
Amaranthaceae (Amaranth)

Heat-loving dual crop — edible leaves all summer plus a protein-rich seed grain. Thrives where wheat won't.

EdibleAnnualFull sunDrought-toughHeat-loverNutrient-denseSurvival cropStaple calories
Grain Amaranth (Amaranthus species) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Full sun
Water
Low — drought-tough
Soil
Tolerant
pH
6.0–7.5
Hardiness
Warm-season annual
Height
3–7 ft
Spacing
12–18 in
Days to harvest
90–120

What it is

Grain Amaranth (Amaranthus species) is in the Amaranthaceae (Amaranth) family. Heat-loving dual crop — edible leaves all summer plus a protein-rich seed grain. Thrives where wheat won't.

How to grow it

It wants full sun, water it low — drought-tough, and give it tolerant soil. Target a soil pH around 6.0–7.5. Space plants about 12–18 in apart. Expect roughly 90–120. Warm-season annual.

How it's used

Grain Amaranth is used: leaves cooked; seed as grain (popped/cooked).

🔎 How to identify it

  • Broad veined leaves, often red-tinged
  • Big plume-like seed heads
  • Tiny shiny seeds

Edibility

PartsLeaves and seed
UsesLeaves cooked; seed as grain (popped/cooked)
CautionLeaves contain oxalates; cook them.
The grow guide

How to grow & propagate grain amaranth

Everything I've worked out about starting this one, keeping it alive through a Texas year, and turning one plant into many — free.

How to propagate grain amaranth

This family — the amaranths, beets, chard, spinach and their wild cousins — is grown from seed sown right where it'll stand. The grain amaranths and quinoa throw enormous seed heads you can harvest by the handful and re-sow for free. Beets and chard seed are actually little clusters, so each 'seed' can send up several seedlings you'll need to thin.

Growing grain amaranth in Texas

Give it full sun and tolerant soil. Match the spot to the plant and most of the battle is already won.

This one thrives in heat that flattens other plants, so it earns its space through a Texas summer. Get it established before the worst of July, keep water steady, and it'll produce when little else will.

Once it's rooted in, this is a low-water plant — overwatering does more harm than drought here. Water deeply to establish, then back off and let it prove how tough it is.

Harvesting

Figure on roughly 90–120 before you're harvesting. Harvest at peak and keep harvesting — most vegetables produce harder the more you pick, and one left to over-mature tells the plant its job is done. The part you're after: leaves and seed.

Making more for free

Every seed we sell is open-pollinated, which means you can save your own from the best plants and it'll grow true next year. Let a few of your strongest plants finish and go to seed, dry it fully, and store it cool and dark. That's the whole point of heirlooms — buy once, grow forever.

When the grid is down

Keep this knowledge offline

A garden full of grain amaranth is a real asset when times get hard — but the know-how to grow, store, and use it shouldn't live only on a website you can't reach. That's why I keep a copy of the references I rely on on a local server at home. Project NOMAD is a free, open-source way to run Wikipedia, survival and medical guides, maps, and even a private AI on your own hardware — knowledge that keeps working with no internet, no cloud, no signal.

See how I keep my library offline →
🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.