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Exploring the Different Stages of Amaranth Plant Growth

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This document is intended to provide Florida growers with a production guide for vegetable amaranth to enhance its competitiveness and boost the economy by introducing this potential cash crop to growers.

Vegetable amaranth (Amaranthus tricolor L.) is a beautiful and nutritious vegetable in the family Amaranthaceae (“Amaranthus” means “never-fading flower” in Greek) (Rastogi and Shukla 2012; Srivastava 2017). The entire Amaranthus genus has 60–80 species, not including different subspecies and varieties (Alegbejo 2013; Ebert et al. 2011; Srivastava 2017), with the number reaching more than 110 if counting all synonyms. These species are categorized into groups of vegetable (http://www.gardening.cornell.edu/homegardening/scenea6a1.html), grain, ornamental, and weed (Rastogi and Shukla 2012). The vegetable type is native to tropical Asia and consists of 17 species (Ebert et al. 2011; NCSU Plant Database 2020). The most popular vegetable type species are A. cruentus, A. blitum, A. dubius, and A. tricolor. Other species grown as a grain crop are A. caudentis, A. cruentis, and A. hypochondriacus. The Amaranthus genus is widely distributed and cultivated throughout China, India, Indonesia, Japan, Pakistan, parts of the Pacific islands, tropical Africa, and tropical South America today (CABI 2020), but it is new to Florida. This article will give an overview of vegetable types of amaranth, specifically.

Amaranth has numerous common names, including Josephs coat, garden amaranth, red amaranth, Chinese amaranth, Chinese spinach, xian cai, and fountain plant (Srivastava 2017). This vegetable has been cultivated in China for more than 400 years and has been introduced to several US states such as Mississippi and Missouri (CABI 2020; USDA-NRCS 2020). One cultivar, called Tampala, is found to be suitable for cultivation in the southern United States (Ebert et al. 2011). Floridas mild climate combined with amaranths exceptional taste, nutrients, and colorful foliage suggest amaranth is a potential crop for commercial production for Florida. It is also heat tolerant and a cash crop candidate for those seeking new vegetable crops grown after potato harvesting in Florida.

The seed of vegetable amaranth is usually brown black in color and tiny—approximately 0.04 inches in diameter (Figure 1) (Fern 2014; USDA-NRCS 2020). Plants can be easily germinated from seed. Sow the seed one-eighth to one-quarter of an inch deep in rows and 12 to 18 inches apart (Ebert et al. 2011; Gilman and Howe 2014; NCSU Plant Database 2020). If growing in a garden, space 1 inch between each seed and thin to 6 inches apart as the plant grows (Cornell 2006). For propagation on raised beds, it is recommended to construct the bed 35 inches wide. Raise the bed 8 inches during the dry season and 20 inches during the rainy season (Ebert et al. 2011). Transplanting should be performed at the early stage of plant growth after last frost, because later transplanting may cause a premature flowering or plant limpness (Cornell 2006; Toogood 1999).

Seeds will germinate approximately one week after planting with an optimal temperature of 70°F to 75°F (CABI 2020; Cornell 2006). Germination of vegetable amaranth is rapid when soil temperature is higher than 68°F, and the germination rate may significantly slow down or fail if soil temperature is less than 50°F (Cornell 2006; Fern 2014). Therefore, seed usually should be sown when soil temperature reaches 70°F after the last frost (Cornell 2006). The recommended earliest planting date for each USDA Plant Hardiness Zone is May for Zone 8 (north Florida), April for Zone 9 (central Florida), and from December to February for Zones 10 and 11 (south Florida) (Gilman and Howe 2014).

Although vegetable amaranth is a warm-season annual plant native to the tropics (Cornell 2006; Fern 2014), this species can potentially be grown in almost all USDA Plant Hardiness Zones from 2a to 11b (Gilman and Howe 2014; NCSU Plant Database 2020). This plant grows optimally when temperatures are between 70°F to 85°F (Cornell 2006; Fern 2014), but it can tolerate temperatures from 50°F to 110°F (Fern 2014). Plants cannot survive if the temperature is lower than 40°F, due to chilling injury (CABI 2020; Fern 2014). Vegetable amaranth prefers full-sun cultivation, but it can tolerate partial shade if the ambient temperature is high (CABI 2020; Cornell 2006; Gilman and Howe 2014; NCSU Plant Database 2020). Because the plant can grow to 5 feet tall and 2 feet wide, it may need staking or other support to keep the stalk upright as the plant grows (Gilman and Howe 2014; NCSU Plant Database 2020).

Although vegetable amaranth has moderate levels of drought tolerance (Gilman and Howe 2014), severe water deficiency will cause early flowering and decrease in yield (Ebert et al. 2011). This plant prefers a mean annual rainfall between 50 to 60 inches but can tolerate 10 to 110 inches (CABI 2020; Fern 2014). Irrigation plays a key role at the beginning stage of plant development (Ebert et al. 2011), but overirrigation and excessive water standing in the root zone may cause root rot (NCSU Plant Database 2020). To prevent wilting, it is recommended to regularly and evenly irrigate the soil to maintain moderate moisture (Ebert et al. 2011). Also, drip or micro-sprinkler irrigation are recommended for small growers, while furrow irrigation is preferred for the field practice (Ebert et al. 2011).

Vegetable amaranth grows well on a wide range of soil types (Cornell 2006), preferring well-drained and fertile soil. This plant tolerates soil acidity between pH 4.3 to 8.0 and grows optimally between pH 5.5 to 7.0 (Cornell 2006; Fern 2014). Fertilizer application has not been shown to dramatically increase yields (Ebert et al. 2011). Excess inorganic nitrogen fertilization might result in a pale leaf and toxic nitrate accumulation in plants (Cornell 2006; Fern 2014; Gilman and Howe 2014; NCSU Plant Database 2020). Amaranth can grow well in nutrient-poor soil with appropriate fertilizer programs (Chakhatrakan 2003). There is no fertilizer recommendation available for amaranth growers in Florida. For the time being, growers can use the existing fertilizer recommendations of leaf lettuce for amaranth production: pH 6.5, 150 lb/acre of N, 120–150 lb/acre, or 100 lb/acre, for low, medium, or high soil test index using Mehlich-3 soil extractant method, respectively, and zero each of P2O5 and K2O (Liu et al. 2020).

Although amaranths colorful foliage makes it an eye-catching plant, the color can quickly fade away if proper care is not taken. This plant is susceptible to several common pests and diseases. Stem rot or wet rot caused by Choanephora cucurbitarum is the main fungal disease of concern, and white rust caused by damping-off fungi like Phytium aphanidermatum and Rhizoctonia might have deleterious effects on seedlings (CABI 2020; Ebert et al. 2011; Tubene and Myers 2008). Planting the seeds at an appropriate depth helps with avoiding white rust. Also, space the plants at a reasonable distance for wet rot control (PlantVillage 2020). Insects pose a threat to vegetable amaranth, particularly leaf and stem-chewing pests such as caterpillars (Spodoptera litura, Heliothis armigera, Hymenia recurvalis) and stem weevil (Hypolixus truncatulus, Lixus truncatulus) (CABI 2020; Ebert et al. 2011; Fern 2014; Mureithi et al. 2017; Stephens 2018). Traditional wood ash can be used for pest control (Ebert et al. 2011); also, uproot infested plants and remove damaged leaves to limit pest populations (PlantVillage 2020).

Vegetable amaranth is ready for harvest approximately 30 days after planting the seeds (Ebert et al. 2011; Tubene and Myers 2008). Plants can be harvested by pulling from the soil for one-time-only harvest. For successive harvests, repeat cutting is preferred. For repeat cutting, remove a partial leaf for the first harvest to allow plants to regrow and harvest again in the next two weeks. Once the plant begins flowering, the leaves become fewer and are not suitable for harvest (Ebert et al. 2011; Tubene and Myers 2008). The foliage of vegetable amaranth may wilt rapidly due to its large surface-to-volume ratio (Ebert et al. 2011; Tubene and Myers 2008), so postharvest management, including short cooling of the plant at 40°F to 55°F with a relative humidity of 75%, is recommended (Tubene and Myers 2008). Plants might quickly lose 88% of vitamin C content if stored at room temperature (77°F) (Nyaura et al. 2014).

Vegetable amaranth is a leafy plant that has been widely consumed in many parts of eastern and southern Asia (Chakhatrakan 2003; Ebert et al. 2011; Srivastava 2017). In recent years, increasing consumer demand also led to a boost of sales for this vegetable in some African countries such as Kenya (Nyaura et al. 2014). Vegetable amaranth can be either eaten raw or cooked. Young, tender leaves resemble spinach, have a mild flavor, and are either eaten raw in salad mixes or stir-fried in a wok with various foodstuffs such as garlic, mushrooms, shrimp, and eggs (Figure 2) (CABI 2020; Elbert et al. 2011; Fern 2014; Tubene and Myers 2008). The soft stem can be steamed or fried the same way as asparagus (CABI 2020; Fern 2014), and its milky-white roots are often cooked with tomatoes (Ebert et al. 2011). The sprouted seeds are also edible as a nutritious addition to stews (CABI 2020; Ebert et al. 2011). Amaranth is a highly nutritious vegetable, being high in vitamins (vitamin A and C), minerals (calcium, iron, potassium), and all essential amino acids (Table 1) (Ebert et al. 2011; Fern 2014; USDA-ARS 2019). However, the leaves and stems of this plant may contain some antinutrients like nitrates and oxalates, which can bind calcium and cause kidney stones for those prone to this disease (Massey et al. 1993; Schippers 2000). These chemicals can be removed by adequate cooking but may still pose a health threat from eating the uncooked plant in excess (>7 oz/day) (Alegbejo 2013; Ebert et al. 2011; Schippers 2000).

Vegetable amaranth has been noted for its brilliantly colored and variegated foliage—red, crimson, maroon, scarlet, purple, yellow, and green—making it a popular ornamental landscape plant (Figure 3) (CABI 2020; Ebert et al. 2011; Fern 2014; Gilman and Howe 2014; NCSU Plant Database 2020; Rastogi and Shukla 2012). However, the flowers and fruits are not showy (Figure 4) (Cornell 2006; Gilman and Howe 2014; NCSU Plant Database 2020). Fortunately, there is no evidence suggesting vegetable amaranth to be invasive (CABI 2020; Gilman and Howe 2014), but it is still recommended to remove all plant materials and clean the area after harvest. Yellow and green vegetable amaranth provides a good source of yellow and green dyes (Fern 2014; Rastogi and Shukla 2012). The red betacyanin pigments from red vegetable amaranth can be used as a food colorant (Cai and Corke 1999; Cai et al. 2005).

The entire vegetable amaranth plant is laxative and diuretic (Ebert et al. 2011; Fern 2014). Vegetable amaranth has potential pharmacological properties, including antimicrobial, antioxidant, and antibacterial activities (Srivastava 2017). The polyphenolic content plays a key role in fighting free radicals (Rao et al. 2012; Srivastava 2017), and the tannin content inhibits the growth of microorganisms (Pulipati et al. 2014; Srivastava 2017).

Amaranth is an ancient grain that has been cultivated for over 8,000 years. This nutritious plant can thrive in a variety of conditions, which makes it a great addition to any garden. When growing amaranth, it is helpful to understand the different stages of growth so you can provide the best care at each phase. In this article, we will explore the fascinating journey amaranth takes from seed to harvest.

Seed Germination

The growth process begins when the tiny amaranth seeds are planted. Amaranth seeds are very small, about the size of a pinhead. They can be planted directly outdoors once danger of frost has passed. Amaranth prefers soil temperatures between 65-85°F for ideal germination.

Once planted in moist soil about 1/4 inch deep, amaranth seeds will germinate in 5-7 days. Sometimes seeds can take up to 2 weeks to sprout if conditions are not ideal. Proper seed spacing is important to prevent overcrowding. Space seeds or seedlings 8-12 inches apart in all directions.

During germination, keep the soil moist but not soaked Consider using a seed starter tray or plastic dome to maintain consistent moisture levels Too much water can lead to damping off, a fungal disease that causes seeds to rot.

Seedling Stage

The seedling stage begins once the baby amaranth plants emerge from the soil This phase typically lasts 3-4 weeks. The tiny seedlings will have a thin stem and two leaves called cotyledons

Seedlings are very vulnerable at this stage. Consistent moisture is important to support the shallow root system. However, soil should be allowed to partially dry between waterings to prevent fungal issues. Plants may need protection from pests like slugs or extreme wind and weather.

A diluted fish emulsion fertilizer can provide an early nutrient boost once seedlings have developed a few true leaves. This stage is complete when plants have 6-8 true leaves and are 4-6 inches tall.

Vegetative Growth Stage

The vegetative stage is an exciting time of rapid growth for amaranth. This phase lasts 4-6 weeks. After becoming established, amaranth transitions from a slow growing seedling to vigorous plant up to a foot tall.

Once amaranth reaches the vegetative stage, it can tolerate some dryness. However, occasional deep watering is still recommended, especially during long dry spells. Fertilize every 2-3 weeks with a balanced liquid fertilizer. Fish emulsion, compost tea, and manure tea make good organic options.

During this stage, amaranth forms its characteristic bushy foliage, branching stems, and deep taproot. Leaves can be harvested as a nutritious green starting about 4 weeks into this phase. Some gardeners thin crowded plants by harvesting greens.

Flowering Stage

Amaranth is a short day plant, meaning it initiates flowering when daylight hours shorten at the beginning of summer. The flowering stage begins when amaranth produces its first flower buds and lasts 2-4 weeks.

Bright yellow, red, or gold flowers emerge on long drooping clusters. Continue watering when the top few inches of soil become dry. Fertilize every 2-3 weeks with a formula higher in phosphorus to support flowering.

Removing the top portion of the plant when young can promote branching and increase flower production. Tall varieties may need staking to prevent toppling once heavy with flowers and seeds.

Seed Maturation

In the seed maturation phase, pollinated amaranth flowers develop seeds over 4-8 weeks. Eventually, the flowers fade and dry out when the seeds fully mature.

Amaranth flowers are naturally self-pollinating, but bees and other pollinators can boost seed production. Avoid overhead watering at this stage, as excess moisture encourages fungal disease. Allow the soil to dry between waterings.

Seeds are ready for harvest when plants turn completely brown and dry. Some varieties drop seeds easily when mature, creating reseeding concerns. Covering plants with mesh bags once flowering begins can prevent seed escape.

Harvesting

The ideal time to harvest amaranth is after a light frost, which causes plants to dry faster. Use sickles, knives, or pruning shears to cut stems near the base when plants are brittle.

Hang upside down bundles in a warm, dry area out of direct sun for 1-2 weeks. Dry on a tarp in arid climates. To separate seeds, rub flower heads over a bucket or between your hands over a large bowl.

For dual use, harvest leaves regularly once they reach 6 inches long. Pick only a few leaves from each plant and allow regrowth. Leaves are best used fresh but can also be frozen or dried.

Storage

Properly dried amaranth seeds will last for years in cool, airtight storage. The seeds are so small that insect damage is rarely an issue. Place seeds in sealed jars or mylar bags and store in the refrigerator or freezer for best longevity.

Amaranth leaves are more perishable but can be preserved through blanching and freezing, dehydrating, or canning. Greens store for 3-5 days refrigerated in air-tight containers. High-quality seeds and properly stored greens let you enjoy amaranth all year long!

Understanding the different phases of growth helps us nurture amaranth to its full potential. Paying close attention and providing good care tailored to each stage results in an abundant, nutritious crop. Exploring amaranth’s unique growth stages gives us insight into this plant’s ancient past and an appreciation for its resurgence as a modern superfood.

exploring the different stages of amaranth plant growth

Marketability and Future Outlook

Vegetable amaranth is commonly sold as a leafy crop at local markets in tropical and subtropical Asia (Fern 2014). In the United States, vegetable amaranth imported from Asia is available in some international grocery stores (Tubene and Myers 2008). According to the University of Marylands Research and Education Center, the yields of vegetable amaranth production may exceed 20,000 lb/ac (Tubene and Myers 2008). Regardless of cooking method, this tender, leafy vegetable is delicious. Because of its high nutritional value, pleasant taste, high crop yields, and adaptability to a hot climate, vegetable amaranth has great potential to be the next cash crop for Florida cultivation.

Dr. Edward Hanlon, professor emeritus, and Mary Dixon at the University of Florida reviewed the manuscript.

Alegbejo, J. O. 2013. “Nutritional value and utilization of Amaranthus (Amaranthus spp.)—a review.” Bayero Journal of Pure and Applied Sciences 6 (1): 136–143.

Cai, Y., and H. Corke. 1999. “Amaranthus betacyanin pigments applied in model food systems.” Journal of Food Science 64 (5): 869–873.

Cai, Y., M. Sun, and H. Corke. 2005. “Characterization and application of betalain pigments from plants of the Amaranthaceae.” Trends in Food Science & Technology 16 (9): 370–376.

Chakhatrakan, S. 2003. “Influence of N fertilizers on the vegetable amaranth production.” Thammasat International Journal of Science and Technology 8 (4): 1–5.

Cornell University. 2006. “Explore Cornell: Home gardening flower growing guides.” Cornell University Home Gardening. Accessed February 6, 2024. http://www.gardening.cornell.edu/homegardening/scenea6a1.html

Ebert, A. W., T. H. Wu, and S. T. Wang. 2011. “Vegetable amaranth (Amaranthus L.).” AVRDC—The World Vegetable Center. AVRDC Publication 11–754.

Fern, K. 2014. “Amaranthus tricolor L.” Tropical Plants Database. Accessed February 6, 2024. http://tropical.theferns.info/viewtropical.php?id=Amaranthus+tricolor

Liu, Guodong, Eric H. Simonne, Kelly T. Morgan, George J. Hochmuth, Shinsuke Agehara, and Rao Mylavarapu. 2020. 2020–2021 Vegetable Production Handbook: Chapter 2. Fertilizer Management for Vegetable Production in Florida. CV296. Gainesville: University of Florida Institute of Food and Agricultural Sciences. Accessed February 6, 2024. https://edis.ifas.ufl.edu/cv296

Massey, L. K., H. Roman-Smith, and R. A. Sutton. 1993. “Effect of dietary oxalate and calcium on urinary oxalate and risk of formation of calcium oxalate kidney stones.” Journal of the American Dietetic Association 93 (8): 901–906.

Mureithi, D. M., K. K. M. Fiaboe, S. Ekesi, and R. Meyhöfer. 2017. “Important arthropod pests on leafy Amaranth (Amaranthus viridis, A. tricolor and A. blitum) and broad-leafed African nightshade (Solanum scabrum) with a special focus on host-plant ranges.” African Journal of Horticultural Science 11:1–17.

North Carolina State University. 2020. “Amaranthus tricolor.” North Carolina Extension Gardener Plant Toolbox. Accessed February 6, 2024.. https://plants.ces.ncsu.edu/plants/amaranthus-tricolor/

Nyaura, J. A., D. N. Sila, and W. O. Owino. 2014. “Vitamin C content of vegetable amaranth during modified atmospheric storage.” Proceedings of the 2013 JKUAT Scientific Technological and Industrialization Conference, November 13–14, 2013, Nairobi, Kenya. 695–699.

PlantVillage. 2020. “Amaranth.” Pennsylvania State University. Accessed February 6, 2024. https://plantvillage.psu.edu/topics/amaranth/infos

Pulipati, S., P. S. Babu, and M. L. Narasu. 2014. “Quantitative determination of tannin content and evaluation of antibacterial activity of Amaranthus tricolor (L.).” International Journal of Biological & Pharmaceutical Research 5 (7): 623–626.

Rao, K. N., S. K. Padhy, S. K. Dinakaran, D. Banji, H. Avasarala, S. Ghosh, and M. S. Prasad. 2012. “Pharmacognostic, phytochemical, antimicrobial, and antioxidant activity evaluation of Amaranthus tricolor Linn. leaf.” Asian Journal of Chemistry 24 (1): 455–460.

Rastogi, A., and S. Shukla. 2013. “Amaranth: A new millennium crop of nutraceutical values.” Critical Reviews in Food Science and Nutrition 53 (2): 109–125.

Schippers, R. R. 2000. African Indigenous Vegetables: An Overview of the Cultivated Species. London: University of Greenwich, Natural Resources Institute.

Srivastava, R. 2017. “An updated review on phyto-pharmacological and pharmacognostical profile of Amaranthus tricolor: A herb of nutraceutical potentials.” The Pharma Innovation 6 (6): 124–129.

Stephens, J. M. 2018. Amaranth—Amaranthus spp. HS539. Gainesville: University of Florida Institute of Food and Agricultural Sciences. Accessed February 6, 2024. https://edis.ifas.ufl.edu/mv006

Toogood, R. A. 1999. Propagating Plants. London: The Royal Horticultural Society, Dorling Kindersley.

USDA-ARS. 2019. “National Nutrient Database for Standard Reference, Full Report (All Nutrients) 11004. Amaranth leaves, cooked, boiled, drained, without salt.” Accessed February 6, 2024. https://fdc.nal.usda.gov/fdc-app.html#/food-details/169202/nutrients

USDA-NRCS. 2020. “PLANTS profile for Amaranthus tricolor (Josephs coat).” The PLANTS Database. Greensboro, NC: National Plant Data Team. Accessed February 6, 2024. https://plants.usda.gov/core/profile?symbol=AMTR2 Table 1.

Nutritive value of amaranth leaves (Amaranthus spp.), cooked, boiled, and drained, without salt. Source: USDA-ARS, National Nutrient Database, available at https://fdc.nal.usda.gov/fdc-app.html#/food-details/169202/nutrients.

Name

Amount

Unit

Variables

Water

91.49

g

Energy

21

kcal

Energy

88

kJ

Protein

2.11

g

Total lipid (fat)

0.18

g

Ash

2.11

g

Carbohydrate, by difference

4.11

g

Minerals

Calcium, Ca

209

mg

Copper, Cu

0.158

mg

Iron, Fe

2.26

mg

Magnesium, Mg

55

mg

Manganese, Mn

0.861

mg

Phosphorus, P

72

mg

Potassium, K

641

mg

Selenium, Se

0.9

µg

Sodium, Na

21

mg

Zinc, Zn

0.88

mg

Vitamins

Vitamin A, IU

2770

IU

Vitamin A, RAE

139

µg

Vitamin B-6

0.177

mg

Vitamin B-12

0

µg

Vitamin C, total ascorbic acid

41.1

mg

Vitamin D (D2 + D3)

0

µg

Vitamin D (D2 + D3), International Units

0

IU

Folate, total

57

µg

Folic acid

0

µg

Folate, food

57

µg

Folate, DFE

57

µg

Niacin

0.559

mg

Pantothenic acid

0.062

mg

Retinol

0

µg

Riboflavin

0.134

mg

Thiamin

0.02

mg

Amino acids

Alanine

0.119

g

Arginine

0.104

g

Aspartic acid

0.196

g

Cystine

0.025

g

Glutamic acid

0.25

g

Glycine

0.113

g

Histidine

0.044

g

Isoleucine

0.102

g

Leucine

0.167

g

Lysine

0.109

g

Methionine

0.031

g

Phenylalanine

0.114

g

Proline

0.104

g

Serine

0.095

g

Tryptophan

0.027

g

Threonine

0.085

g

Tyrosine

0.068

g

Valine

0.118

g

Lipids

Cholesterol

0

mg

Fatty acids, total saturated

0.05

g

Fatty acids, total monounsaturated

0.041

g

Fatty acids, total polyunsaturated

0.08

g

Fatty acids, total trans

0

g

Release Date:March 18, 2024

exploring the different stages of amaranth plant growth

exploring the different stages of amaranth plant growth

This document is HS1407, one of a series of the Horticultural Sciences Department, UF/IFAS Extension. Original publication date February 2021. Revised February 2024. Visit the EDIS website at https://edis.ifas.ufl.edu for the currently supported version of this publication.

Yuheng Qiu, OPS technical, MS; and Guodong Liu, associate professor, Horticultural Sciences Department; UF/IFAS Extension, Gainesville, FL 32611.

Everything you need to know about Amaranth from growing and harvesting to eating and storing

FAQ

What are the stages of amaranth plant?

Once planted, amaranth seeds will germinate in less than two weeks. Seedlings will appear to grow slowly. When the plant reaches a foot tall, it will start to grow rapidly and produce beautiful flowers. The grains will be ready to harvest in the fall once the flowers are brown and dry.

What is the life cycle of the Amaranthus?

Life cycle The cycle from germination to seed production lasts 80-90 days. Under certain conditions, the plant can produce seeds in 4 weeks, allowing 3 to 4 generations per growing season. China: Amaranthus viridis flowers from June to August and fruits from August to October.

How long does it take for Amaranthus to grow?

Given that amaranth thrives in warmer climates and requires 90-100 days to mature, I figured I was I taking a bit of a chance by trying to grow a large patch of it to maturity in our relatively short growing season.

What does amaranth look like when it’s growing?

Amaranth are characterized by large, broad leaves with prominent veining. Each plant produces a single flower at the end of the tall reddish stem. Colors are usually burgundy, red, pink, or salmon. Amaranth grows best in average, well-drained soil, so ensure your chosen site has good drainage and air circulation.

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