TROPICAL PLANT ENCYCLOPEDIA

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Trachelium caeruleum, Blue Throatwort

Trachelium caeruleum

Blue Throatwort
Family: Campanulaceae
Origin: Mediterranean
USDA Zone: 7-11?

USDA Plant Hardiness Map

Small plant 2-5 ft

Semi-shade

Full sun

Moderate water

Blue, lavender, purple flowers

White, off-white flowers

Pink flowers

Plant attracts butterflies, hummingbirds

Fragrant 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.

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Link to this plant:

https://toptropicals.com/catalog/uid/trachelium_caeruleum.htm