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Trachelium, Blue Lace Flower, Blue Throatwort 'Black Knight'

Tracheliumcaeruleum

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Family

Campanulaceae (kam-pan-yew-LAY-see-ee)

Info

Genus

Trachelium (trak-ELL-ee-um)

Info

Species

caeruleum (see-ROO-lee-um)

Info

Synonym

Sun Exposure

Full Sun

Sun to Partial Shade

Foliage

Evergreen

Height

36-48 in. (90-120 cm)

Spacing

36-48 in. (90-120 cm)

Hardiness

USDA Zone 7a: to -17.7 °C (0 °F)

USDA Zone 7b: to -14.9 °C (5 °F)

USDA Zone 8a: to -12.2 °C (10 °F)

USDA Zone 8b: to -9.4 °C (15 °F)

USDA Zone 9a: to -6.6 °C (20 °F)

USDA Zone 9b: to -3.8 °C (25 °F)

USDA Zone 10a: to -1.1 °C (30 °F)

USDA Zone 10b: to 1.7 °C (35 °F)

USDA Zone 11: above 4.5 °C (40 °F)

Danger

Handling plant may cause skin irritation or allergic reaction

Bloom Color

Medium Purple

Dark Purple/Black

Bloom Time

Mid Summer

Late Summer/Early Fall

Other Details

Gardener's Notes:

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positive

neutral

negative

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Trachelium, Blue Lace Flower, Blue Throatwort 'Black Knight'

Tracheliumcaeruleum

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