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Eustoma grandiflorum 'Echo Blue' (Echo Series) (Lisianthius 'Echo Blue')

Other names: Lisianthus 'Echo Blue', Prairie gentian 'Echo Blue', Texas bluebell 'Echo Blue', Eustoma russellianum 'Echo Blue', Lisianthius russelianus 'Echo Blue'

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Variety or Cultivar
'Echo Blue' is a borderline hardy, single-stemmed or branching, annual or biennial with ovate to oblong, veined, stem-clasping, slightly fleshy, grey-green leaves and broadly bell-shaped, double, deep purple-blue flowers blooming from the upper leaf axils from summer into autumn.
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Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
0.9 m 0.3 m 1-2 years
2 ft 0 ft 1-2 years

Where to grow

Soil type
  • Chalky
  • Loamy
  • Sandy
Soil drainage
  • Well-drained
Soil pH
  • Alkaline
  • Neutral
Sunlight
  • Full Sun
Aspect
  • West
  • South
Exposure
  • Sheltered

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Additional plant details

Cultivation

In mild areas, grow in well-drained, neutral to alkaline soil in full sun.

Suggested uses

Containers/Patio, Flower Arranging, Beds and borders, Cottage/Informal, City, Conservatory

UK hardiness

H1c

USDA zones

Zone 8, Zone 9, Zone 10

Sunset zone

4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 1, 2, 3

WUCOLS

North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Upright, Clump-forming

Native to

Mexico, Southern United States, Central United States

Drought tolerant

No

Flood tolerant

No

Toxicity

Not toxic

Plant care

Pruning

Pinch out tips to encourage a bushier habit. Stems will most likely need support.

Propagation methods

Seed

Propagation

Seed is dust particle size. Sow indoors in spring at 13-16C (55-61F) at least 10-12 weeks before the last frost date.

Pests

Diseases

Support or stake (optional)

Pinch out the stem tips to encourage branching

Protect in winter with dry mulch (in cold areas)

Remove annuals at end of flowering season (optional)

Plant container grown plants in a sunny postion

Plant in neutral to alkaline soil (autumn or spring)

Sow seeds in containers with heat (spring)

Other plants

Plants in this Genus (4)

Eustoma

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Eustoma grandiflorum 'Indulgence'
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Eustoma grandiflorum 'Indulgence' Lisianthius 'Indulgence'
Eustoma grandiflorum
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Eustoma grandiflorum Lisianthius
Eustoma grandiflorum 'Echo Blue' (Echo Series)
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Eustoma grandiflorum 'Echo Blue' (Echo Series) Lisianthius 'Echo Blue'
Eustoma grandiflorum 'Piccolo Lime Green' (Piccolo Series)
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Eustoma grandiflorum 'Piccolo Lime Green' (Piccolo Series) Lisianthius 'Piccolo Lime Green'
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Companion plants (0)

Related content

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