Amaranthus polystachyus
Amaranthus polystachyus
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Pl. B77B — Amaranthus polystachyus
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IOverview
Overview
Amaranthus polystachyus, commonly known as pigweed or redroot pigweed, is an annual plant native to the northeastern and northwestern regions of Argentina, Aruba, Bahamas, Belize, Bolivia, Brazil, Cayman Islands, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, French Guiana, Galápagos, Guatemala, Haiti, Honduras, Jamaica, Leeward Islands, Mexico, Netherlands Antilles, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Trinidad and Tobago, Turks and Caicos Islands, Uruguay, and Venezuela. This plant thrives in full sun and prefers moist soil that can be light (sandy), medium, or heavy (clay). Known for its edible leaves and seeds, it is often cultivated for culinary purposes. One distinctive feature of this plant is its ability to grow in a variety of environments across the Americas, making it a resilient and adaptable species.
Quick answers
What is Amaranthus polystachyus?
Amaranthus polystachyus, commonly known as pigweed or redroot pigweed, is an annual plant native to the northeastern and northwestern regions of Argentina, Aruba, Bahamas, Belize, Bolivia, Brazil, Cayman Islands, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvado
Growingconditions · propagation · uses
VCultivation
Cultivation
Amaranthus polystachyus thrives in full sun and requires moist soil that can be light, medium, or heavy. This annual plant is native to regions such as Argentina, Brazil, Bolivia, and parts of Central America. It is best suited for cultivation in temperate climates where it can grow quickly from seed. Ensure the soil remains consistently moist but avoid overwatering to prevent root rot. Harvest leaves and seeds for culinary use throughout the growing season.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Life cycle
Annual
For first-time growers
How to grow Amaranthus polystachyus for the first time
8steps
Start with Amaranthus polystachyus by planting it in a sunny spot and providing regular care.
- 1
What you'll need
Seeds or seedlings, potting soil, containers or garden space.
- 2
Best time to plant
Plant seeds outdoors after the last frost in spring.
- 3
Soil and container prep
Use well-draining soil with a mix of light (sandy), medium, or heavy clay soils. Ensure containers are at least 6 inches deep.
- 4
Sowing or transplanting
Direct sow seeds 1/2 inch deep, spaced about 4-6 inches apart. Transplant seedlings when they have two sets of true leaves.
- 5
First two weeks
Water regularly to keep the soil moist but not waterlogged. Provide full sun exposure.
- 6
Ongoing care
Continue regular watering, especially during dry spells. Fertilize lightly every 4-6 weeks with a balanced fertilizer.
- 7
Harvest or pruning
Prune regularly to encourage bushy growth and prevent the plant from becoming leggy. Harvest leaves as needed for cooking.
- 8
Common mistakes
Overwatering, planting in heavy shade, neglecting regular pruning, using too much fertilizer.
VIEdible & utility
Edible & utility
Edible parts:LeavesSeed
Edible uses: The amaranth leaves and seeds of Amaranthus polystachyus are edible. The leaves can be eaten raw or cooked, while the seeds are often used in cooking after being dried or ground into flour. These parts are commonly consumed in various culinary preparations across its native range.
Other uses:DyeDynamic accumulator
Contextrange · companions · related
VIIDistribution
30 native · 0 introduced
Distribution
30 native · 0 introducedDistribution across1 continent· 30 native
Americas16 regions
native (16)BahamasBelizeBoliviaColombiaCosta RicaCubaDominican RepublicEcuadorEl SalvadorFrench GuianaGuatemalaHaitiHondurasJamaicaNicaraguaParaguay
Broader regions
native:Argentina Northwest, Aruba, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Cayman Is., Galápagos, Leeward Is., Mexico Southeast, Netherlands Antilles, Panamá, Argentina Northeast
IXSpecimen gallery
1 image
Specimen gallery
1 imageXI
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Back to the cataloguePlant id · b77b7909-8771-4225-99b1-77a57d9d14be
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