Answer: Pseuderanthemum alatum, or Chocolate Plant, is a low growing herb native to Mexico and Central America. The coppery-brown leaves with silver blotches along the midrib are broadly ovate with winged petioles. Leaves will reach up to 6 inches long by 4.5 inches wide.
From early summer to fall, the plants are adorned with purple flowers on 18-inch tall racemes. Individual flowers are up to 1.5 inches across. Very showy!
Pseuderanthemum alatum need partial shade to full shade with a moist well-drained soil mix. In the greenhouse, we use a soil mixture consisting of 1 part peat moss to 2 parts loam to 1 part sand or perlite. The plants are watered and then allowed to dry slightly, but they are never allowed to dry completely. Plants are fertilized on a weekly basis using a balanced fertilizer diluted to one-half the strength recommended on the label. During the winter months, water is restricted to about once a week and the plants are not fertilized during this period.
Best wishes with your new plant!
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