Genus: Amaranthus

Amaranthus

Photo/Illustration: 
Jennifer Benner
(Amaranthus)
am-ah-RAN-thus
Amaranthus
Plants in this genus are annuals and short-lived perennials often used as summer bedding, in containers or hanging baskets, as cut or dried flowers, or as houseplants. They are native to a range of habitats in temperate and tropical regions around the world. Their alternate leaves are often colorful. The large, catkin-like cymes of small red or green flowers are sometimes pendent and sometimes upright, and are followed by often attractive seedheads. There are about 60 species in this genus.
Noteworthy characteristics:  Leaves, flowers, and seedheads are often colorful.
Care:  Most species need moderately fertile, humusy, moist soil in full sun, and extra water during dry periods in summer. Indoors, grow in full light with ample water and high humidity.
Propagation: 

Sow seed at 68°F in mid-spring. <em>A. caudatus</em> can also be sown in situ.

Species, varieties and clutivars for genus Amaranthus

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Prince's feather
Amaranthus cruentus
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Chinese spinach
Amaranthus tricolor and cvs.
Problems: 

White rust, brown rust, Cercospora leaf spot, and Phyllosticta leaf spot affect foliage, and root rot can also be troublesome. Also prone to aster yellows, viruses, and aphids.