Cup Flower
Nierembergiahippomanica var. caerulea 'Purple Robe'

Family: Solanaceae (so-lan-AY-see-ee)
Genus: Nierembergia (nee-rem-BERG-ee-uh)
Species: hippomanica var. caerulea Cultivar: Purple Robe

Synonym:Nierembergia caerulea

Category

Annuals
Tropicals and Tender Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Sun to Partial Shade

Foliage

Herbaceous
Smooth

Foliage Color

Unknown

Height

6-12 in. (15-30 cm)

Spacing

6-9 in. (15-22 cm)

Hardiness

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

Unknown

Danger

Unknown

Bloom Color

Lavender
Medium Purple

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms all year

Other details

Unknown

Soil pH requirements

6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information

Unknown

Propagation Methods

From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; direct sow after last frost

Seed Collecting

Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored