Don't know. I came late to the party about the transfer. I was WonByHerWits on the old GW. I had created a houzz account as DYHGarden, not realizing the two were merging. Since WonByHerWits (the registered name of my late, great greyhound) is no longer here, I'm okay with DYHGarden.

https://support.houzz.com/hc/en-us?mobile_site=true from the pull down menu, under About, select Company, Contact Us

I am coming to the party late and skimming replies so this might be repeat. I caught Biondanonima's recommendation to skip the weed barrier/landscape fabric and "second" that this is good advice. As she says, weed roots grow through it, locking it to the ground but doing nothing to stop weeds. While the "surprise" plants might be welcome when they come, they might not be the basis of a good design unless they are in sufficient quantity. It would be hard to predict how you might use unknown things. Maybe you can get these plants identified and quantified and then someone might be able to calculate how they might be used. Keep in mind that too many different things, randomly organized, can make the yard end up looking like a junk repository. If we were to "dissect" what architectural element (floor, ceiling, wall, furniture, etc.) would be the most important in creating a nice finished product out of this slope, it would be a FLOOR. With that element alone you could have a pleasant, serene looking space. (Some walls and ceiling -- tree canopy, retaining wall and fence -- are already in place.) While a floor ALONE might not create the highest glory, it is the beginning. I suggest you begin with a groundcover that is low (so as not to feel oppressive to the adjacent spaces) and does well for your area. If it was evergreen that would be a "plus" but whether you can have it that way depends on where you are. In addition to a groundcover, other plants will help add more interest, but it's hard to make much in the way of specific recommendations because we cannot see a cohesive total scene or a "to scale" plan of the area. I suggest you draw a simple plan showing the existing major elements. To show a complete scene, place the camera at a central position opposing the scene, and then take a series of slightly overlapping photos that pan the scene from one end to the other. In addition to a groundcover, it's likely that most other plants will be placed at the back of the scene, not the foreground. There is no point to screening the back of the scene, which presumably you will make look good, with taller plants placed at the front. Other plants, if they are single, must be large enough if they are to captivate an audience. If they are not large enough on their own, they must be in groups that are large enough. Having small, unrelated plants does not make a nice scene. Unless you are creating a "wall" (hedge) as a backdrop, avoid placing plants in lines. It usually doesn't look good. Instead, place them in masses/blocks.

I don't understand why there are such issues and why I appear not to experience them. I am using Firefox to access Houzz. I have pinned the tab to the start up on Firefox. That tab has me signed into Houzz, the RHA, Face Book and several others so when I open Firefox, those open, too. If I clear all of the history, of course that eliminates the tabs, but when I re enter the sites, they sign me in. I dunno why, but it's working and has been for some time.