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Scientific Name:
Eustoma grandiflorum
Pronunciation:
you-STOE-muh gran-dih-FLORE-um
Common Name:
lisianthus, prairie gentian, Texas bluebell
Family Name:
Gentianaceae
Plant Type:
Biennial, Flowering cut plant, Flowering pot plant
Key ID Features:
Leaves ovate to oblong, 3-5 major veins, petiole stem-clasping, up to 8cm long; flowers bell-shaped with flaring pale purple petal-like lobes, up to 5cm wide.

Habit:
Upright
Form:
Oval - vertical
Texture:
Medium
Mature Height:
0.4 - 0.7m
Mature Spread:
0.3 - 0.6m
Origin:
Mexico, U.S. - central, U.S. - southwest
Hardiness Rating:
Zone 9: (-7 to -1 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Bedding plant, Cut flower or foliage, Indoor plant
Additional Info:

Leaf Morphology:
Form:
Simple
Arrangement:
Opposite, Sessile
Texture/Venation:
Soft flexible
Surfaces:
Colour in Summer:
Green, Silver / Grayish, Grey-green
Shapes:
Oblong, Ovate
Bases:
Decurrent
Margins:
Additional Info:
Glaucous

Inflorescence Type:
Cyme
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Campanulate
Ovary Position:
Superior
Colour (petals):
Showy, White, Blue, Violet, Pink
Flower Time at Peak:
Jul, Aug, Sep

Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Oct

Bark or Stem Colour:
Propagation:
Seed
Optimal Temp.:
Medium
Light Level:
High
Maintenance:
Medium
Pest Susceptibility:
Mold, Root rot, Thrips, Virus, Wilt

Course(s):
  • HORT 1193/1293
Location(s):
  • (GNH)  GreeNHouse
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