Blue throatwort is native to the Mediterranean area and later has also become naturalized in areas including New Zealand and Europe. The flower is tiny, slightly fragrant, and can bloom over a long summer season, usually from May to September.
JoAnn Wasson's Wildflower Bouquets
Throatwort Beauty - Neglected Beauty.
Blue throatwort - FineGardening
Trachelium caeruleum at San Marcos Growers
Soft, fluffy umbels of deep blue spring from blue-purple-green leaves and attract birds, butterflies, and people. Bring it inside in colder areas or
Trachelium caeruleum, Blue Throatwort
PlantFiles Pictures: Trachelium Species, Blue Lace Flower, Blue Throatwort (Trachelium caeruleum) by jkom51
JoAnn Wasson's Wildflower Bouquets
Blue throatwort at home in the Bay Area climate
Blue throatwort: Tiny flowers can make beautiful bouquets - CGTN