Desert Petunia, Florida Bluebells, Mexican Petunia, Mexican Blue Bells 'Chi Chi'

Ruellia tweediana

Family: Acanthaceae (ah-kanth-AY-see-ee) (Info)
Genus: Ruellia (roo-EL-ee-uh) (Info)
Species: tweediana (twee-dee-AH-nuh) (Info)
Cultivar: Chi Chi
Additional cultivar information:(aka Pink Bells)
Synonym:Ruellia brittoniana


Tropicals and Tender Perennials

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Unknown - Tell us


36-48 in. (90-120 cm)


12-15 in. (30-38 cm)

15-18 in. (38-45 cm)


USDA Zone 8a: to -12.2 C (10 F)

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



Bloom Color:

Pale Pink

Bloom Time:

Mid Summer

Late Summer/Early Fall

Blooms repeatedly




Other details:

May be a noxious weed or invasive

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:


Propagation Methods:

By dividing the rootball

From herbaceous stem cuttings

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


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

Edgemont, Arkansas

Concord, California

Brooksville, Florida

Lake City, Florida

Saint Augustine, Florida

Tampa, Florida

Cordele, Georgia

Rincon, Georgia

Savannah, Georgia

Barbourville, Kentucky

Shreveport, Louisiana

West Monroe, Louisiana

Andrews, North Carolina

Sumter, South Carolina

Toone, Tennessee

Austin, Texas

Garland, Texas

Houston, Texas

Mc Kinney, Texas

Princeton, Texas

San Antonio, Texas

show all

Gardeners' Notes:

No details have been posted.