Sweetcorn Root
Calathea allouia
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Pl. AF30 — Calathea allouia
Calathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouiaCalathea allouia
IOverview
Overview
Sweetcorn Root, scientifically known as Calathea allouia, is a perennial plant native to regions of Brazil, Colombia, Cuba, Dominican Republic, Ecuador, Haiti, and other Caribbean islands like Puerto Rico and Trinidad-Tobago. This plant thrives in partial sun to full sun conditions and prefers moist soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 10-12 and can grow up to 2 meters tall. Known for its edible parts—flowers, leaves, and roots—it also serves as an ornamental plant due to its distinctive foliage. Its native range spans across the northern and western regions of South America, as well as parts of Central America and the Caribbean.
Quick answers
What is Sweetcorn Root?
Sweetcorn Root, scientifically known as Calathea allouia, is a perennial plant native to regions of Brazil, Colombia, Cuba, Dominican Republic, Ecuador, Haiti, and other Caribbean islands like Puerto Rico and Trinidad-Tobago.
Growingconditions · propagation · uses
VCultivation
Cultivation
Sweetcorn Root thrives in full to partial sun and requires moist soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 10-12, making it suitable for tropical climates. Propagate via root division or seed. This perennial plant grows up to 2 meters tall and is edible, with parts including flowers, leaves, and roots that can be consumed.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
10-12
Life cycle
Perennial
Mature size
2.0 m tall
For first-time growers
How to grow Sweetcorn Root for the first time
8steps
Start with a simple and forgiving plant like Sweetcorn Root (Calathea allouia) for your first gardening experience.
- 1
What you'll need
A small pot, well-draining soil, and a sunny spot in your home or garden.
- 2
Best time to plant
Plant Sweetcorn Root anytime from spring to early summer when temperatures are warm.
- 3
Soil and container prep
Use a light, loamy potting mix and ensure the container has drainage holes.
- 4
Sowing or transplanting
Transplant young plants from small pots into larger ones as they grow.
- 5
First two weeks
Keep the soil moist but not waterlogged. Place in a bright spot, avoiding direct sunlight.
- 6
Ongoing care
Water regularly to keep the soil consistently moist. Provide partial shade and high humidity.
- 7
Harvest or pruning
Prune dead leaves to maintain plant health but do not expect edible parts from this species.
- 8
Common mistakes
Overwatering, placing in full sun, neglecting humidity needs, using heavy soil, and transplant shock.
VIEdible & utility
Edible & utility
Edible parts:FlowersLeavesRoot
Edible uses: The sweetcorn root is edible and can be consumed in various forms. The roots are typically prepared by boiling or steaming before consumption. SKIP
Other uses:Weaving material
Contextrange · companions · related
VIIDistribution
17 native · 2 introduced
Distribution
17 native · 2 introducedDistribution across1 continent· 17 native· 2 introduced
Americas9 regions
native (8)ColombiaCubaDominican RepublicEcuadorHaitiPeruPuerto RicoVenezuela
introduced (1)Jamaica
Broader regions
native:Brazil North, Brazil Northeast, Brazil West-Central, Leeward Is., Mexico Gulf, Mexico Southeast, Mexico Southwest, Trinidad-Tobago, Windward Is.
introduced:Mexico Central
IXSpecimen gallery
1 image
Specimen gallery
1 imageXI
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Companion planting
Growing zone
XII
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