Thunbergia Species, Blue Boy, Blue Glory, Clock Vine

Thunbergiabattiscombei

Family
Acanthaceae (ah-kanth-AY-see-ee)
Genus
Thunbergia (thun-BER-jee-uh)
Species
battiscombei (bat-tis-COM-ee-eye)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Textured
Velvet/Fuzzy
Height
24-36 in. (60-90 cm)
4-6 ft. (1.2-1.8 m)
Spacing
4-6 ft. (1.2-1.8 m)
Hardiness
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)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Dark Blue
Medium Blue
Blue-Violet
Medium Purple
Bloom Time
Late Spring/Early Summer
Late Fall/Early Winter
Other Details
Category
Perennials
Tropicals and Tender Perennials
Vines and Climbers
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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
Non-patented
Propagation Methods
From softwood cuttings
From seed; sow indoors before last frost
By simple layering
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Daphne, Alabama

Mobile, Alabama(2 reports)

Spanish Fort, Alabama

Cloverdale, California

Elk Grove, California

San Francisco, California

Stockton, California

Brooksville, Florida(2 reports)

Clermont, Florida

Crawfordville, Florida

Daytona Beach, Florida

Deland, Florida

Gainesville, Florida

Haines City, Florida

Jacksonville, Florida

Keystone Heights, Florida

Lady Lake, Florida

Melbourne, Florida

New Port Richey, Florida

Port Saint Joe, Florida

Saint Augustine, Florida

Sarasota, Florida

Venice, Florida

Winter Springs, Florida

Macon, Georgia

Thomasville, Georgia

Pukalani, Hawaii

Latonia, Kentucky

Covington, Louisiana

Greenwell Springs, Louisiana

Lafayette, Louisiana

Ocean Springs, Mississippi

Bridgeton, Missouri

Denville, New Jersey

Averill Park, New York

Bartlesville, Oklahoma

Salem, Oregon

Myrtle Beach, South Carolina

Okatie, South Carolina

Cookeville, Tennessee

Alvin, Texas

Arlington, Texas

Austin, Texas(2 reports)

Conroe, Texas

Cypress, Texas

Galveston, Texas

Houston, Texas(2 reports)

New Caney, Texas

Refugio, Texas

Spring, Texas

Stephenville, Texas

Lynchburg, Virginia

Newport News, Virginia

show all

Featured Videos

Gardener's Notes:

9
positives
3
neutrals
0
negative
Sort By:
Sort By:
C
ROSLINDALE, MA | August 2016 | neutral

In frost-free climates, this tropical perennial blooms year-round.

This species is often called a climber, but it has neit...Read More

G
The Villages, FL | June 2015 | positive

In zone 9A, appears to survive over-wintering fine and comes back very strong. Loads of unusual purple flowers with yellow "throats" on a...Read More

P
Refugio, TX | October 2014 | neutral

My flowers don't open before they fall off, what is happening?

C
C
St. Louis County, MO (Zone 5a) | October 2011 | positive

I received 3 starts in early spring. It grew like crazy once it warmed up here. I have it in a big pot and will overwinter it in a cool b...Read More

S
Winter Springs, FL (Zone 9b) | January 2011 | positive

I just love this plant, it is the cousin to the blue sky vine (Bengal clock vine), looks quite a bit like morning glory, but stays pretty...Read More

B
B
Conroe, TX (Zone 9a) | August 2010 | positive

Once this plant gets started it really takes off and blooms non stop. In my area the flowers close up in the heat of the late afternoon....Read More

9
Bartlesville, OK (Zone 6a) | June 2008 | positive

I love this vine. I bought it last year from Logee's and it bloomed a little bit. I wintered it over in my garage because it wouldn't mak...Read More

L
Newport News, VA (Zone 7b) | July 2007 | positive

This plant was recommended to me as an annual in my area for a quick covering vine for a section of chainlink that is visible between the...Read More

P
New Caney, TX (Zone 8b) | June 2007 | positive

In my zone which is 8b/9a this plant wilts in late afternoon summer sun but recovers.
It freezes to the ground in winter but come...Read More

M
M
| August 2006 | positive

mia01 31 Aug 06 Karachi

This plant is a joy to behold! I have had it in my garden for over a year now. From a small cuttin...Read More

L
Moose Jaw, SK (Zone 3b) | October 2004 | positive

This one is a winner (for spending the winter in a zone 3 grower's window). I really am following in love with:
Common name: Blue...Read More

L
Grove City, OH (Zone 6a) | January 2003 | neutral

Great for weaving among other plants.

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