Persian Violet (Exacum affine) is a small bushy herbaceous plant that grows to about 20 cm – 30 cm tall. The leaves are dark green and glossy, arranged in an opposite manner. About 2.5 cm – 5 cm long, leaves are ovate to elliptic. Stems are covered in dense hairs. It produces small Violet-blue, 5-petaled flowers have a yellow center with a rich fragrance. These plants can be grown in both indoors and outdoors.
Scientific Name: Exacum affine
Common Names: Persian Violet
Synonyms: Exacum gracilipes, Exacum socotranum.
How to grow and maintain Persian Violet (Exacum affine):
It thrives best in bright filtered light from a south- or west-facing window. Some direct morning sun is fine but keep out of hot, afternoon sunlight which can scorch the plant.
It grows well in well-drained, peat-moss based potting mix soils.
Water regularly, Keep soil evenly moist but not soggy. Never allow it to dry out. In drier homes, mist weekly to increase ambient humidity.
It prefers high humidity. Place pot on a tray of wet pebbles or mist foliage with room-temperature water.
It thrives best in average room temperatures 65°F – 75°F / 18°C – 24°C. Keep the plant away from drafts.
Fertilize every two weeks with a balanced liquid fertilizer diluted by half while the plant is blooming
It can be easily propagated by seed. Seeds will germinate in 2-3 weeks. The seeds are tiny. Sow seeds in winter or early spring on top of the moist potting mix in a shallow pot.
Pests and Diseases:
It has no serious pest or disease problems. Sometimes susceptible to aphids and spider mites.