Gentian 'Blue Cross'
Family: Gentianaceae (Gentian
family)
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Hardiness Zones: 3-7
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Height: 9-12 inches
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Spread: 12-20 inches
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Bloom Time: midsummer to early fall
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Bloom: clusters of creamy buds on open to blue-violet, 4-petaled flowers; blue color
intensifies with flower maturity creating a bicolor effect on the plant
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Light: full sun to part shade
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Soil: best in light, well-drained soil;
tolerates clay soils
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Moisture: keep evenly moist, watering
freely in dry weather; drought tolerant once established
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Use: accent plant for front of mixed
borders, rock gardens, woodland gardens; flowers attract hummingbirds,
butterflies and other pollinators
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Care: low maintenance; remove faded
flowers for best display; divide large clumps in early spring as new growth
begins, but avoid root disturbance once established
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Concerns: no serious insect or disease
problems; may experience root rot if soil stays wet in winter
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Native to: species native to Europe and
western Asia
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Notes: slow-growing, clumping perennial;
glossy, bright green, 1 to 3 inch lance-shaped leaves oppositely attached to
upright stems; flowers form at nodes on upper parts of stems; gentians are
alpine types and grow best in cooler zones with mild summers; rabbit and deer
resistant
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Supplier: Ebert's Greenhouse Village
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Teaching Garden
Location & Code: Rock Garden C325
Content
produced through:
Dane County
UWEX Master Gardener Volunteer Program
Questions?
Dane County UWEX Horticulture
Program
