General Culture: Click for monthly care information.
Annual. Easily grown in moist, average, well-drained soils in full sun to part shade. Appreciates some afternoon shade in hot summer climates. Start seed indoors 6-8 weeks before last frost date or purchase starter plants. Set out plants after last frost date. Space smaller varieties 8-12” apart and larger varieties to 18” apart. Seed may be harvested from garden plants for planting the following year or cuttings may be taken from favorite plants in late summer.
Noteworthy Characteristics:
Joseph’s coat, as its common name suggests, is grown not for its flowers but for its beautifully colored foliage. It is an upright, bushy annual that typically grows to 2-4’ tall in the St. Louis area. Species plants feature ovate to elliptic, green to purple leaves (to 10” long). However a number of cultivars are available in commerce featuring leaves brilliantly blotched with various shades of yellow, red, pink and/or copper, with the upper plant leaves often contrasting in color from the lower ones. Green-leaved species plants are sometimes grown as a vegetable crop (spinach substitute). Species plants are also sometimes commonly called tampala, particularly when grown for culinary use. Tiny green to red flowers in 1” axillary spikes are insignificant.
Problems: Click for detailed list of pests and problems.
No serious insect or disease problems. Watch for aphids. Root rot may occur in poorly drained soils. Susceptible viruses, aster yellows and fungal leaf spot diseases. Plants grown in the ground may need staking or other support.
Uses:
Beds or borders. Interesting edging along walks or paths. Containers.
© Missouri Botanical
Garden, 2001-2010
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