Gentiana, Gentian
Gentiana 'True Blue'

Family: Gentianaceae (jen-shun-AY-see-ee)
Genus: Gentiana (jen-shee-AN-uh)
Cultivar: True Blue
Additional cultivar information: (PP20433)
Hybridized by Probst 2008

Category

Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Full Sun
Sun to Partial Shade

Foliage

Herbaceous

Foliage Color

Unknown

Height

24-36 in. (60-90 cm)

Spacing

15-18 in. (38-45 cm)

Hardiness

USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
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)

Where to Grow

Unknown

Danger

N/A

Bloom Color

Dark Blue

Bloom Characteristics

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

Bloom Size

Unknown

Bloom Time

Mid Summer
Late Summer/Early Fall

Other details

Unknown

Soil pH requirements

5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information

Patented

Propagation Methods

By dividing the rootball

Seed Collecting

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