Wahlenbergia Species, Giant Bell Flower
Wahlenbergiarivularis

Family: Campanulaceae (kam-pan-yew-LAY-see-ee)
Genus: Wahlenbergia (wall-en-BERG-ee-uh)
Species: rivularis (riv-yoo-LAIR-iss)

Category
Groundcovers
Tropicals and Tender Perennials

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

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Herbaceous

Foliage Color

Height
6-12 in. (15-30 cm)

Spacing
9-12 in. (22-30 cm)

Hardiness
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

Danger
N/A

Bloom Color
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer

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
Non-patented

Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; direct sow after last frost

Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds