Scientific Name:
Eustoma grandiflorum
Pronunciation:
you-STOE-muh gran-dih-FLORE-um
Common Name:
lisianthus, prairie gentian, Texas bluebell
Family Name:
Gentianaceae
Plant Type:
Annual (grown as), Biennial, Flowering cut plant, Flowering pot plant
Key ID Features:
Leaves opposite, ovate to oblong, most 6-9cm long x 4-5cm wide, glaucous, , 3-5 major veins, margin entire, sessile, petiole stem-clasping; flowers bell-shaped, up to 5cm wide with flaring pale purple petal-like lobes.
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 8a: (-12 to -9.5 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Bedding plant, Container planting, Cut flower or foliage, Indoor plant, Summer interest
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Opposite, Sessile
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glaucous
Colour in Summer:
Green, Silver / Grayish, Grey-green
Shapes:
Oblong, Ovate
Apices:
Acute
Bases:
Decurrent
Margins:
Entire
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:
Green
Propagation:
Seed
Optimal Temp.:
Medium
Light Level:
High
Maintenance:
High
Pest Susceptibility:
Canker or sap rot, Mold, Root rot, Thrips, Virus, Wilt (Pest resistant, Disease resistant, Drought tolerant)
