If I may be so bold, Hornet, might I suggest you look into Creeping Jenny for those spots you wish to grow over and tumble down. It's a lovely plant, fast growing and will take some foot traffic. It does bloom small, insignificant yellow flowers in summer and is evergreen and hardy in my USDA Zone 7a.
Here, I was creating some yard art with a small wooden wagon and used only 2 4 inch pots of creeping jenny. I tilted the wagon, took off one wheel, put some firewood logs under it to make it appear that it had lost its wheel and tipped over.
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And here it is one year later, after I have cut it away from the sidewalk once this year and it needs it again.
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The thing is you will never buy another pot of it as it roots all along the stems and will grow anywhere, under any conditions. I cut it away from the sidewalk and simply toss the cuttings in a pot or in another spot in the garden, keep it watered for about a week and it takes off in the new spot.
I've grown it in ponds, in the ground, in pots and it never fails where ever I put it.