Thunbergia, Bengal Clock Vine, White Sky Vine 'Alba'

Thunbergiagrandiflora

Family
Acanthaceae (ah-kanth-AY-see-ee)
Genus
Thunbergia (thun-BER-jee-uh)
Species
grandiflora (gran-dih-FLOR-uh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Deciduous
Height
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
Hardiness
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)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Bright Yellow
White/Near White
Bloom Time
Late Summer/Early Fall
Other Details
Category
Vines and Climbers
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
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
From softwood cuttings
From semi-hardwood cuttings
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

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

Jacksonville, Florida

Jupiter, Florida

Merritt Island, Florida

Titusville, Florida

Kurtistown, Hawaii

Houston, Texas

Plano, Texas

Willis, Texas

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Gardener's Notes:

2
positives
2
neutrals
0
negative
Sort By:
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F
Titusville, FL (Zone 9b) | August 2012 | neutral

I don't know what trax is talking about as far as trendrils...I have never seen a trendril on mine, and no one else has mentioned a tendr...Read More

H
H
San Antonio, TX (Zone 8b) | December 2007 | neutral

I have not grown this plant. It is naturalized in Florida, Hawaii and puerto Rico. In tropical rain forest regions, it is considered to ...Read More

T
T
Merritt Island, FL (Zone 9b) | July 2007 | positive

Plant grows extremely fast, very nice white flowers. Tendrils will reach out about 3 or 4 feet looking for something else to grow on so ...Read More

S
(Taylor) Plano, TX (Zone 8a) | June 2007 | positive

Large white flowers with yellow throat. Leaves are large, broad, and shaped similar to ivy leaves.
Foliage is pubescent. Twines ...Read More

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