Photo by Melody

PlantFiles: Prairie Gentian, Lisianthus, Texas Bluebell
Eustoma grandiflorum 'Echo Blue'

Family: Gentianaceae (jen-shun-AY-see-ee) (Info)
Genus: Eustoma (yoo-STOH-muh) (Info)
Species: grandiflorum (gran-dih-FLOR-um) (Info)
Cultivar: Echo Blue

Synonym:Lisianthus russellianus
Synonym:Bilamista grandiflora

6 members have or want this plant for trade.

Tropicals and Tender Perennials

12-18 in. (30-45 cm)

6-9 in. (15-22 cm)

USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Dark Blue

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall


Other details:
Flowers are good for cutting

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

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There are a total of 8 photos.
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3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive bits On Sep 3, 2012, bits from Dallas, TX wrote:

Urban development around Dallas TX (zone 8)has eliminated fields of this wild flower, but assume they might be plentiful around Brenham TX, Blue Bell Ice Cream factory.
The wild ones only have 5 (sometimes 4 or 6) petals, whereas florist ones are multi layered. I grow blue and pink from nursery...have never seen any other colors offered. Mild winter of 2012 allowed last year's to bloom this summer.

Positive Qwilter On Jun 23, 2011, Qwilter from Fleming Island, FL (Zone 9a) wrote:

I purchased 2 from a nursary in Lancaster PA.
Plant had yellowish buds and I really ignored the tag in the plant that showed a deep blue flower.
As the bud opens, the flower gets bluer and bluer. It's a nice contrast to my otherwise red & yellow blooming garden.
Planted to get full sun & needs very little attention.

Positive Cris316 On Sep 28, 2009, Cris316 from Port Norris, NJ (Zone 7b) wrote:

A landscaper introduced this Texas native to a friends garden as an annual. Immediately I asked if I too could purchase some from him.
The 10 plants of varying cultivars flowered beautifully that year. The plants reseeded for a second year but didn't look as well. I didn't protect the area from the Cape Cod winter so not surprising. I wasn't into flower seed collecting at the time as I concentrated on the veggies in the back.

Stunning in bloom and truly a joy: I replanted as annuals until I moved to the mid-Atlantic area. Oddly enough I haven't had any luck whatsoever growing these in this location 08349. Despite better climate and soil, more time devoted and a whole lot of money invested in quality seed. I haven't found a garden center in 50 mile radius who carries the plant.


This plant has been said to grow in the following regions:

Fort Lauderdale, Florida
Sebastian, Florida
Severn, Maryland
Marstons Mills, Massachusetts
Milton, Massachusetts
Lincoln, Nebraska
Port Norris, New Jersey
Averill Park, New York
North Augusta, South Carolina
Dallas, Texas
Willis, Texas

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