Tradescantia 'Concord Grape' - Spiderwort

[Abe]

I just purchased these from a local nursery and was told to cut them down after each flowering and that they would re-bloom all Summer.* The flowers are deep purple and the foliage is blue-green.* Does anyone know anything about this Spiderwort?

Abe

[backyardgardener]

Your plant is part of the Tradescantia Andersoniana Group.

http://www.backyardgardener.com/plantname/pda_73b4.html