Q.Have 2 white chocolate vines for 2 years. They are not growing. What to do?
The vines appear to be stunted. Have attempted to send pics several times to no avail.

Certified GKH Gardening Expert
That is quite odd. It sounds like a perfect environment. It is unfortunate that a photo will not upload, since that may give me a hint at what is going on. All I could recommend from this point is to have your soil sampled. This will help you to find your local extension service to do so: https://www.gardeningknowhow.com/extension-search
This article will help you with their care: https://www.gardeningknowhow.com/ornamental/vines/chocolate-vine/chocolate-vine-plants.htm

Certified GKH Gardening Expert
Without photos, and a very detailed description of the plant, its surroundings, care, and climate that it is exposed to, it would be very difficult to give you a good answer.
Please include some more information, and I will be more than glad to help.

Climate is humid...in Colonial Heights VA. Sandy/loan soil. Acidic soil. Drains well. Partial shade with afternoon sun. Planted near a small water fountain. Leaves look reasonably healthy. Plants have been slow to produce new growth. Have attempted several times to submit pic, but always fails on website.