The doubling is neither reliable nor good. Nor is the foliage as good a colour as the straight T.Concord Grape.

Genus: TRADESCANTIA
Variety: 
Cultivar: ‘DOUBLE GRAPE’
Plant family:
Hardiness zone: 
Height: 

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Other data

Foilage colour
Foliage season
Flower colour
Flowering season
Soil moisture
Shadiness
Hardiness

Plant ID 7246