Hesperis matronalis 'Sweet Rocket'
Genus: Hesperis
Species: matronalis
Variety: 'Sweet Rocket'
Plant Type: Herbaceous Perennial
This cottage garden classic has beautiful evening scented flowers. The elegantly simple violet flowers are produced over a long period, late spring to late summer. It's a short lived perennial that self seeds readily, so you should have it forever. It's adored by bees and other insects.