Glandora diffusa “Heavenly Blue”

Glandora diffusa “Heavenly Blue”

1. Common name(s): Purple Gromwell
2. Synonyme(s): Lithodora diffusa, Lithospermum diffusa
3. Family: Boraginaceae
4. Origin: the wild type is native to France, Portugal, Spain, Morocco
5. More infos: USDA zone 7