|Full name||Tradescantia (Andersoniana Group) ‘Sweet Kate’.|
|Name status||Accepted, the valid name for a unique cultivar.|
Established in a nomenclatural standard herbarium specimen (“Tradescantia (Andersoniana Group)”, 2000).
Also known as:
Hawke (2010) considered ‘Blue and Gold’ to be the earliest name and ‘Sweet Kate’ a synonym, but this was later confirmed to be a mistake (Richard Hawke, personal correspondence, May 2022). ‘Sweet Kate’ is now accepted, as the oldest and most widespread name in use.
|Origins||Discovered by Mrs Stevens in her garden, introduced by Hillier Nurseries (“Tradescantia (Andersoniana Group)”, 2000).|
|Classification||Like other hardy garden hybrids, it is now placed in the Andersoniana Group. These hybrids are sometimes mislabelled as Tradescantia virginiana or the invalid botanical hybrid Tradescantia × andersoniana.|
|Availability||Mass-produced and widely available.|
Preserved and described in a nomenclatural standard herbarium specimen (“Tradescantia (Andersoniana Group)”, 2000), with reference to the RHS Colour Chart.
|Cultivar group||Tradescantia Andersoniana Group.|
|Foliage||Stems are yellow (1C) and bright green (4C).|
Leaves are bright green (150B to 150C), fading to yellow (153D).
|Flowers||Flower stalk is 2.5cm long, purple (more blue than 72B).|
Sepals are 1.5cm long, pale green (145B to 145C).
Petals are bright powdery blue (88A). Stamen filaments are purple (87A to 82A), anthers are yellow (12A).
Tradescantia (Andersoniana Group). (2000). [Herbarium specimen, barcode WSY0026562]. RHS Wisley Herbarium.
Hawke, R. G. (2010). A Comparative Study of Tradescantia Cultivars. Plant Evaluation Notes, 34. Internet Archive link.