Genus: Wishbone flower

Torenia

Photo/Illustration: 
Chris Curless
Wishbone flower (Torenia)
toe-REE-nee-ah
Scrophulariaceae
The Torenia genus is made up of 40 to 50 species of bushy annuals and perennials from high altitudes in tropical Africa and Asia.  Torenia have showy, 2-lipped flowers with yellow throats. These plants are great for summer bedding or at the front of a border or in pots. They also can be grown as a houseplant or in a cool greenhouse.
Noteworthy characteristics:  Tubular, flaring 2-lipped flowers with yellow throats. The species has purple, two-toned flowers, while various cultivars have pink, white, or lavender blooms.
Care:  Outdoors, provide Torenia with fertile, moist but well-drained soil and partial shade. Indoors, they need bright filtered light and good ventilation. Water freely and fertilize during active growth. Pinch out stem tips to promote bushiness.
Propagation: 

Sow seed in mid-spring at 64°F and plant out after the frost-free date.

Problems: 

Root rot, Botytis, and powdery mildew sometimes occur.

Species, varieties and clutivars for genus Torenia

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Summer Wave® Blue wishbone flower
Torenia 'SUNrenilabu'
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Wishbone flower
Torenia fournieri
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Golden Moon™ wishbone flower
Torenia Golden Moon™