Thunbergia Species, Orange Clockvine, Orange Trumpet Vine

Thunbergiagregorii

Family
Acanthaceae (ah-kanth-AY-see-ee)
Genus
Thunbergia (thun-BER-jee-uh)
Species
gregorii (gre-GOR-ee-eye)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Evergreen
Height
6-8 ft. (1.8-2.4 m)
Spacing
24-36 in. (60-90 cm)
Hardiness
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)
Bloom Color
Red
Orange
Red-Orange
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Vines and Climbers
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Suitable for growing in containers
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
Non-patented
Propagation Methods
From herbaceous stem cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Alameda, California

Citrus Heights, California

Los Angeles, California(2 reports)

Merced, California

San Leandro, California

Santa Clara, California

Dade City, Florida

Orlando, Florida

Welaka, Florida

Solsberry, Indiana

Washington, Maine

Austin, Texas

Copperas Cove, Texas

Greenville, Texas

Richmond, Texas

Rockdale, Texas

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Featured Videos

Gardener's Notes:

3
positives
2
neutrals
0
negative
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T
T
Copperas Cove, TX | August 2006 | positive

This is truly a sturdy vine. It requires little wate once it is established. I feed it twice in the blooming season with regular fertiliz...Read More

N
Sparks, NV (Zone 7a) | April 2005 | neutral

I fell in love with this plant when I saw it growing in San Leandro, CA. I hunted until I found it and bought it. It was great all summ...Read More

T
Now in Orlando, FL (Zone 9b) | January 2005 | neutral

Some impressive mature specimins in my new area. Very eyecatching but possibly a bit unmanagably fast growing?

R
Laguna Niguel, CA (Zone 10a) | December 2004 | positive

Beautiful and EXTREMELY easy to grow from cutting!

R
Citrus Heights, CA (Zone 9b) | March 2004 | positive

This is a vine with a delicate beautiful flower that contrasts with the hairy pods from which it springs. Beauty from the beast. Flowers ...Read More

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