Thunbergia, Bengal Clock Vine, Blue Sky Vine 'Antigua'

Thunbergiagrandiflora

Family
Acanthaceae (ah-kanth-AY-see-ee)
Genus
Thunbergia (thun-BER-jee-uh)
Species
grandiflora (gran-dih-FLOR-uh)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Evergreen
Smooth
Height
15-20 ft. (4.7-6 m)
Spacing
15-18 in. (38-45 cm)
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
Light Blue
Lavender
White/Near White
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Tropicals and Tender Perennials
Vines and Climbers
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
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
Propagation Methods
By dividing the rootball
From leaf cuttings
From herbaceous stem cuttings
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:

Calera, Alabama

Elk Grove, California

Ocoee, Florida

Baton Rouge, Louisiana

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Gardener's Notes:

1
positive
1
neutral
0
negative
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A
A
Gautier, MS (Zone 9b) | July 2004 | neutral

loved the look of the flowers and everything i read. purchased a plant last fall and it has been very slow to grow. wish it would grow f...Read More

J
J
Guilford, CT (Zone 7a) | December 2003 | positive

I purchased my Thunbergia grandiflora 'Antigua' 1 1/2 years ago from Logee's. It was slow to start blooming, but this is an everbl...Read More

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