Trachelium, Blue Lace Flower, Blue Throatwort
Tracheliumcaeruleum 'Jemmy Royal Purple'

Family: Campanulaceae (kam-pan-yew-LAY-see-ee)
Genus: Trachelium (trak-ELL-ee-um)
Species: caeruleum (see-ROO-lee-um)
Cultivar: Jemmy Royal Purple

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Evergreen
Smooth

Foliage Color

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)

Where to Grow
Can be grown as an annual

Danger

Bloom Color
Medium Purple

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Mid Summer
Mid Fall

Other details

Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information

Propagation Methods
From softwood cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed