Gentiana Species, Marsh Gentian

Gentianapneumonanthe

Family
Gentianaceae (jen-shun-AY-see-ee)
Genus
Gentiana (jen-shee-AN-uh)
Species
pneumonanthe (new-mon-AN-thee)
Synonym
Ciminalis pneumonanthe
Dasystephana pneumonanthe
Gentiana adrianii
Gentiana pneumonanthoides
Gentianusa pneumonanthe
Sun Exposure
Full Sun
Foliage
Smooth
Height
6-12 in. (15-30 cm)
Spacing
6-9 in. (15-22 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)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Dark Blue
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Ponds and Aquatics
Water Requirements
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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B
B
Baa
| August 2001 | neutral

Perennial erect plant from most of Europe, often found on bog land and wet heath where it avoids lime-rich soils.

Bright b...Read More

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