Or draw a sheer curtain between it and the sun during the afternoon. It will do well, for example, near an east or west window, but back from a south one if it gets very hot there. A few hours of direct sun daily, as long as it is not overly hot, gives a denser, sturdier plant.
Yes, I know that many sources insist there should be no direct sun, but I disagree. Move the plant to bright light, if possible with some direct sun. Preparing Bloom Gloxinia putting out new growth. Don’t let it dry out during the growth phase or it will wilt and may lose some its leaves or abort its flower buds. Water it regularly, when the surface of the soil is dry to the touch. As the plant “comes to life”, its watering needs will increase. A 6-inch (15-cm) pot is usually large enough for a young tuber, although there are dwarf varieties better suited to 4-inch (10-cm) pots. Plant the tuber into regular houseplant mix, setting the tuber in soil and filling in all around it, but leaving the top (where the sprout is) uncovered or just barely covering it. To decide when to start a flowering cycle, consider it will usually start to bloom within 2 months of being planted. So you can get it to bloom in mid to late spring, summer or even fall depending on when you pot it up. It won’t need light until you plant it, so you can keep it in the dark, at cool to room temperatures, while you wait. You can pot it up right away or wait a few weeks or even months: just spritz the tuber with water if you find it becoming wrinkled and it will plump up again. When you buy a tuber in the spring, it usually already has one or several sprouts at the top. Starting From a Tuber The tubers are usually already starting to sprout when you buy them. It will then remain dormant for as few as 3 weeks, but sometimes 6 months or more, then starts to grow again, starting a new cycle. After a few months of growth and bloom, the plant goes dormant, losing its leaves, and “retreats” into its tuber. Just under the soil or partly exposed is a tuber: a hard, potatolike structure. Also, while the African violet can grow and bloom all year long, the florist’s gloxinia is a seasonal plant. There are similarities, such as softly hairy leaves and a basic rosette shape, but differences as well.įor one thing, the gloxinia is a larger plant (about ½ to 1 foot/15 to 30 cm) in height and diameter and has much larger flowers (up to 4 inches/10 in diameter) that are distinctly tubular rather than flattened. The florist’s gloxinia is in the Gesneriad family, the best-known member of which is the African violet ( Streptocarpus ionanthus, formerly Saintpaulia inonantha). What Is It? Florist’s gloxinia ‘Tigrina Blue’. As for speciosa, it means, with perfect logic, showy or spectacular. It is named for Wilhelm Sinning, a 19th-century horticulturist at the University of Bonn. speciosa is one of the larger species and certainly has the largest flowers.
The genus Sinningia contains about 70 species, all from Brazil, although S. Commonly, it’s called florist’s gloxinia to distinguish it from the true gloxinias, species like Gloxinia perennis. However, the old common name, gloxinia, stuck and is still used worldwide. This plant was originally called Gloxinia speciosa when it was first exported to England from Brazil in 1817, but it was moved to the genus Sinningia 60 years later and has remained there ever since under the name Sinningis speciosa. What’s in a Name? Botanical illustration of the so-called Gloxinia speciosa, now Sinningia speciosa, taken from Edwards’ Botanical Register, 1817.
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