TROPICAL PLANT ENCYCLOPEDIA

Trachelium caeruleum, Blue Throatwort

Trachelium caeruleum

Blue Throatwort
Family: Campanulaceae
Origin: Mediterranean
USDA Zone: 7-11?
USDA Plant Hardiness MapSmall plant 2-5 ftSemi-shadeFull sunModerate waterBlue, lavender, purple flowersWhite, off-white flowersPink flowersPlant attracts butterflies, hummingbirdsFragrant plant

Trachelium caeruleum remains evergreen in our climate but can be treated more as a semi-hardy deciduous perennial elsewhere, possibly tolerating temperatures as low as 0° F or as a long blooming annual in even colder climates.





Link to this plant:
https://toptropicals.com/catalog/uid/trachelium_caeruleum.htm