New Mexico Heirloom

Family: Amaranthaceae Grain

Warm, nutty grains with a gentle sweetness come alive in the pan with a toasty aroma and a pleasantly chewy bite.

“New Mexico Heirloom” forms sturdy, upright plants that mature in about 90 days, delivering abundant, deep-burgundy seed heads that dry down beautifully for reliable harvest. Grow it for its rich, heritage character—then enjoy the grain’s distinctive flavor in everyday amaranth preparations, from hearty porridges to savory blends and festive mixes.

Light: Full SunMaturity: 90 DaysHabit: Upright

Botanical illustration of New Mexico Heirloom

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 25th
Harvest Begins	Jul 24th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

This heritage grain has a nutty warmth and a chewy, grain-grip texture that doesn’t go mushy—so it stands up in porridge, pilaf, and grain bowls. Toasting the dry seeds briefly before cooking amplifies that roasted aroma for a more pronounced flavor than milder pantry grains.

Best Uses

stovetop porridge with milk or stock (cook until glossy and thick)
toasted dry grains folded into pilaf-style sides
savory grain bowls where the chew holds up to dressing and hot toppings
grain blends and festive mixes (use toasted first for a deeper aroma)

Flavor Profile

warm, nutty flavor gentle sweetness pleasantly chewy bite toasty, roast-forward aroma

Kitchen Pairings

brown butter maple syrup cinnamon charred onions mushrooms goat cheese

Frequently Asked Questions

What pest or disease commonly affects Amaranthus cruentus (New Mexico Heirloom), and how can I control it?

Amaranthus cruentus is often hit by leaf-feeding caterpillars (including armyworm/cutworm types) that chew holes in foliage. Hand-pick visible larvae early and use row covers until plants are well established; if damage is increasing, treat with Bacillus thuringiensis (Bt) according to label directions while caterpillars are small. Watch for fungal leaf spots in humid weather—improve airflow with proper spacing and water at the base rather than over the leaves.

How often should I water Amaranthus cruentus during its main growing phase, and what soil moisture should I aim for?

During active vegetative growth and before harvest, keep the soil consistently moist but not waterlogged—aim for evenly damp soil about 1–2 inches down. In most home gardens, that usually means watering 1–2 times per week depending on heat, with more frequent watering during hot, windy periods. If the top inch dries out repeatedly, growth slows; if the soil stays soggy, plants are more prone to leaf diseases.

How do I tell when New Mexico Heirloom (Amaranthus cruentus) is ready to harvest?

For grain/seed harvest, it’s ready when the flower heads (dense upright clusters) turn from green to a mature tan-brown and the seeds rattle or easily release when rubbed. For leaf harvest, pick outer leaves once plants are well established (often around 30–45 days), harvesting regularly while leaves are tender and before the plants shift fully to seed set. If you plan for both, harvest leaves lightly early, then stop leaf picking once seed heads are maturing.