Photo by Melody

PlantFiles: Orange Clockvine, Orange Trumpet Vine
Thunbergia gregorii

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Family: Acanthaceae (ah-kanth-AY-see-ee) (Info)
Genus: Thunbergia (thun-BER-jee-uh) (Info)
Species: gregorii (gre-GOR-ee-eye) (Info)

Synonym:Thunbergia gibsonii

2 vendors have this plant for sale.

16 members have or want this plant for trade.

Category:
Vines and Climbers

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)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Red
Orange
Red-Orange
Bright Yellow

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Evergreen

Other details:
Average Water Needs; Water regularly; do not overwater
This plant is suitable for growing indoors

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

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By Clare_CA
Thumbnail #1 of Thunbergia gregorii by Clare_CA

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By RichSwanner
Thumbnail #6 of Thunbergia gregorii by RichSwanner

By RichSwanner
Thumbnail #7 of Thunbergia gregorii by RichSwanner

There are a total of 20 photos.
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Profile:

3 positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive teaca On Aug 22, 2006, teaca from Copperas Cove, TX wrote:

This is truly a sturdy vine. It requires little wate once it is established. I feed it twice in the blooming season with regular fertilizer while I am feeding my yard. It can be very invasive. Pruning is necessary to maintain itls shape. I planted mine on a chain llink fence about twenty years ago and it provides plenty of privacy. It is a fast grower and it twines itself through the fence on it's own. I truly love this vine and so do the butterflies ,humming birds and the bees.

Neutral nevadagdn On Apr 28, 2005, nevadagdn from Sparks, NV (Zone 7a) wrote:

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 summer, although it never did bloom (too much shade and not enough warm nights, and I knew it). It died over the winter, but I expected that, too. This plant does not survive in a sheltered Zone 7 location in Northern Nevada.

Neutral TREEHUGR On Jan 24, 2005, TREEHUGR from Now in Orlando, FL (Zone 9b) wrote:

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

Positive ritasgarden On Dec 12, 2004, ritasgarden from Laguna Niguel, CA (Zone 10a) wrote:

Beautiful and EXTREMELY easy to grow from cutting!

Positive RichSwanner On Mar 21, 2004, RichSwanner from Citrus Heights, CA (Zone 9b) wrote:

This is a vine with a delicate beautiful flower that contrasts with the hairy pods from which it springs. Beauty from the beast. Flowers from the last frost day till the first. Evergreen to 25f dies at 20f to be reborn like the Phoenix each spring. Loves the sun, in the extreme heat areas some shade is welcome. It needs average to infrequent watering.Flowers are borne singly on 4 inch stems.Twines to 6 ft high.

Regional...

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

Alameda, California
Citrus Heights, California
Los Angeles, California
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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