Information About Tricolor Amaranth

Information About Tricolor Amaranth

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Tricolor Amaranth Care: Tips On Growing Joseph’s Coat Amaranth

By Mary Ellen Ellis

Joseph’s coat amaranth, also known as tricolor amaranth, is a pretty annual that grows quickly and provides brilliant color. Tricolor amaranth care is easy, and it makes a great addition to many gardens. Learn how to grow this beautiful plant in this article.

Red Amaranth

Amaranth is the best hot weather potherb we know of. It is tasty, easy to grow, productive, fast growing and requires almost no work.


Amaranth grows best in hot weather and doesn't do well if it's cold.

Amaranth is a tropical plant that uses C4 photosynthesis (like corn and sunflower), which makes it particularly efficient in high heat and light intensities. Plant Amaranth in a warm sheltered spot with full sun.

Amaranth is a tropical plant so it likes warm soil.

Amaranth is a tropical plant and thrives with full sun.

Amaranth is relatively drought tolerant and too much water may cause the roots to rot. However for maximum production of both leaf and seed the soil should never be allowed to dry out.

Amaranth grows fast and produces a lot of nutrition, so it's not surprising that it is a fairly hungry plant. It does best on a well-drained and fertile soil, similar to that for corn. If growing for seed, it will require more fertilizer than if you're growing it for leaves.

Younger leaves have a milder flavor and are good to use in salads. Mature leaves have a flavor similar to spinach. Use amaranth as a substitute for spinach in recipes.

Tasty seeds can be eaten raw, sprouted, toasted, roasted, or ground into flour for baking.

Learn how to plant and grow wheat and other cereal grains.

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Growing Tricolor Amaranthus Garden Seeds

  • Taxonomy:Amaranthus tricolor
  • Other Names: Joseph’s Coat, Fountain Plant, Summer Poinsettia
  • Seed Type: Annual
  • Sow Indoors or Outdoors: Tricolor Amaranthus is popularly sown as a decorative plant directly after the final frost. For earliest color, begin seeds indoors 6 – 8 weeks prior and transplant to a sunny place either indoors or out. Amaranthus seeds will take 14 – 21 days to germinate with full lighting and young plants may need staking.
  • Days to Plant Maturity: 70 – 77 days
  • Hardiness Zone: 3 – 11
  • Seed Planting Depth: Plant 4 – 5 seeds ¼” deep
  • Plant Spacing: 18 – 24”
  • Growth Habit: 36 – 48” tall bushy upright with an 18 – 24” spread of “poinsettia-like” tricolored leaves
  • Soil Preference: Average, evenly moist, well-drained
  • Light Preference: Full sun
  • Diseases/Pests/Troubleshooting: Tricolor Amaranthus is susceptible to yellow asters, root rot, fungal leaf spots, and powdery mildew if grown in overly saturated and poorly drained soil. Amaranthus has no serious pests, but monitor regularly for aphids.
  • Plant Color: Bushy red, yellow, and green tricolored leaves
  • Flavor: Earthy, nutty, and spinach-like

Although Amaranthus tricolor is technically native to the tropics of South America, the plant has since been naturalized throughout most of the world’s tropics and has become a favorite in many different countries’ diets. Amaranthus is also known as “Edible Amaranthus” and grown as a vegetable in Korea, India, Bangladesh, and the Caribbean. Amaranthus is also celebrated and grown worldwide for being able to convert CO2 at a much higher rate of efficiency that many other plants. Edible Amaranthus decorative house plant seeds.