Blue Spiderwort
Tradescantia 'Zwanenburg Blue'
Height: 30 - 90cm (12 - 36 IN.)
Spread: 30 - 45cm (12 - 18 IN.)
Three-petaled blooms are dark blue and are only open for 1 day (morning to night) but multiple blooms continue for 4-6 weeks during the summer. Foliage is bright green and grass-like. Excellent for garden planting as well as in containers.