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Gentiana andrewsii

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Plant types and subtypes: Perennials

Light Requirements: part-shade, shade

Water Use: medium, high

Soil Moisture: moist, wet

Soil Description: acid, neutral, rich, loam

Height: 1'-2'

Bloom Time: August, September, October

Bloom Color: purple, blue

Leaf Color: green, purple, multi-color

Hardiness Zone: 3, 4, 5, 6

Additional Tags: attracts bees, clumping, colonizing, naturalizing, pond margin plant, stream margin plant

Flower of Gentiana andrewsii (closed bottle gentian)
  • Flower of Gentiana andrewsii (closed bottle gentian)
  • Flower of Gentiana andrewsii (closed bottle gentian)
  • Flower of Gentiana andrewsii (closed bottle gentian)
  • Flower of Gentiana andrewsii (closed bottle gentian)

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Description

Gentiana andrewsii

Also known as:

closed bottle gentian

,

closed gentian

,

bottle gentian

,

fringe-tip closed gentian

,

Andrews' bottle gentian

,

Andres' gentian

Scientific Synonyms:

Description

Gentiana andrewsii will grow about 2 feet in height with lanceolate, whorled, green leaves tinged with purple. The bottle-shaped, deep blue or purple flowers appear in tight clusters atop the stems and never open. These features led to the common names: bottle gentian and closed gentian. An unusual, striking plant with vibrant foliage and blooms.

Cultivation

Native along along wooded water margins, this gentian will grow in a variety of soils so long as the roots remain moist during the growing season. Its location should not be too wet or soggy during the winter months. It is easy to grow but is intolerant of high summer heat typical to the deep South. This is a beautiful, late bloomer that under ideal conditions will naturalize forming large clumps. Bloom times may start as early as August and last until frost. Zones 3-6

Propagation

Propagate by division of mature root crown in early spring or fall. Trickier to propagate from seed. They will require cold stratification. They should be buried, but sown on top of the growing medium.

Additional Notes

Closed bottle gentian is a useful plant around shaded water features, moist borders and rock gardens. Young plants should be protected from deer, rabbits and other herbivores.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
CO, CT, DE, IA, IL, IN, KY, MA, MD, MI, MN, MO, ND, NE, NH, NJ, NY, OH, PA, RI, SD, VA, VT, WI, WV

USDA Endangered Status:

  • Exploitably Vulnerable: NY
  • Threatened: MD, MA, NH, VT

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Gentianales
Family Gentianaceae Gentian family
Genus Gentiana gentian
Species Gentiana andrewsii closed bottle gentian