Are you speaking of Trachelospermum jasminoides, commonly called Confederate Jasmine? I've not seen that successfully used as a ground cover, per se, but it's 'sister' plant, Trachelospermum asiaticum does wonderfully in that roll. But without the flowers.

I'm in Houston and also looking to plant Confederate Jasmine as a ground cover. Has anyone successfully planted it as a ground cover? If so - how many would you plant and how far apart in a 10x2ft area?
I would also appreciate your help!

I have star jasmine in the beds at work and am considering clippings for my own garden. That's how I happened to find this forum and thought I would share what little knowledge I've found on better homes and gardens (bhg.com) I love that site though it only really has the most common plants - not many hard to find ones. good luck.

Trachelospermum
Star jasmine

Evergreen Groundcover , Perennial , Vine

USDA Zones: 8 - 9

Light: partial - full shade

Height: 6 feet

Width: 4 feet

Flower Colors: creamy white or yellow

Bloom Time: summer

Special Features:
Flowers
Fragrant

Grown for its legendary fragrance, this is an excellent, glossy evergreen vine or loose ground cover for the mild-climate garden. It climbs to a manageable 6 feet and is perfect for a small trellis. It produces the heavenly-scented star-like white or yellow flowers in early summer and sporadically thereafter.

Notable Varieties
Confederate or star jasmine (Trachelospermum jasminoides) blooms in white. Yellow star jasmine (Trachelospermum asiaticum or Rhynchospermum asiaticum) blooms in yellow.

Care
Prefers average to rich, well-drained soil with plenty of moisture.

Planting
Plant established plants in spring or fall, spacing 5 feet for vines and 3 feet for a ground cover.

Pests and Diseases
Whiteflies, scale, and mites can be a problem

Here is a link that might be useful: bhg.com - Trachelospermum

If I may add a hobbyist opinion ;- I would not hesitate to use T. jasminoides or/and T. asiaticum. I really don't think you need to pinch, trim or train unless you want to confine it in a certain area. Both plants natural habit is creeping along where ever there is room available. If you do not wish for it to go upright just don't provide any thing near by for it to try to climb on. Good Luck!

Both are on my most favorite plants list!

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