|ALTERNANTHERA, dentata - Joseph’s Coat|
Amaranthaceae; native to West Indies and Brazil.
Germination: For best results, sow indoors leaving the seeds uncovered and maintaining temperatures of 68° F nights and 86° F days, or sow outdoors in late spring, barely covering of seeds. Seed germinates in 7-10 days, indoors or out.
Growth: After danger of frost is past, plant in full sun to light shade in moist, well-drained soil. Alternanthera prefers a warm to hot climate.
Appearance and Use: A dramatic foliage plant for beds, borders, and containers, these upright, spreading plants reach 16-20 inches tall and spread up to 3 feet wide. Smooth purple foliage is oval and pointed, 4 inches long and 3 1/2 inches wide, darkening dramatically with exposure to heat. In partial shade, the leaf color is burgundy-bronze.
NASA Seeds in Space
"What’s it to you whether or not we have an orderly, scientifically sound method for cataloguing plants and animals? Not much. But it comes in awfully handy for scientists who, up until the middle of the eighteenth century, had to say something like ‘that little yellow flower with the spots on its petals’ every time they wanted to compare notes," The Linnaean System of Taxonomic Classification, Judy Jones and William Wilson, An Incomplete Education