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Gentiana andrewsii - Bottle Gentian

Sun Exposure: Sun, Part Sun

Soil Moisture: Medium, Medium-Wet

Soil Type: Sand-Loam, Loam, Loam-Clay - likes rich soil

Height: 2 feet

Spread: 2 feet

Blooms: August, September, October

Root: Shallow Taproot

Habitat: Upland woodlands, Woodland openings, Bluffs, Upper slopes of ravines

Landscape uses: Moist black soil prairies, Openings in floodplain forests, Fens, and Marsh areas near bodies of water.

Complimentary Plants: Helens Flower, Ohio Goldenrod, Common Boneset, New England Aster

Wildlife Value: Bumblebees are the primary pollinators of the flowers, as they are one of the few insects that can force their way past the closed corolla. This floral characteristic excludes smaller insects that are less efficient at pollination from robbing nectar and pollen from the bumblebees.

Seed Origin: Bristol, QC (Beaux Arbres nursery)

Germination Code: C(60), D

 

Photo credits: #1 by Hugowolf

Gentiana andrewsii - Bottle Gentian

C$5.00Price
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  • Bottle Gentian are slow-growing but long-lived and require little care once established. These gentians wait until September or October to lend late-season color to mostly sunny sites in moist soils. Flower colour is typicaly medium blue, but can vary from white to violet. The only observed insect to pollinate this closed flower are bumblebees, as they force there way into the pleated corolla lobes. Nectar is secreted at the base of the ovary and shorter tongue bumblebees may chew holes near the nectaries to steal nectar. 

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