Lobelia
Lobelia 'Grape Knee-Hi'

Family: Campanulaceae (kam-pan-yew-LAY-see-ee)
Genus: Lobelia (low-BEE-lee-a)
Cultivar: Grape Knee-Hi

Category
Perennials

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

Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade

Foliage
Herbaceous

Foliage Color

Height
18-24 in. (45-60 cm)

Spacing
15-18 in. (38-45 cm)

Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
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)

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
Medium Purple

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Patented

Propagation Methods
By dividing the rootball
From herbaceous stem cuttings

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