Ask a Question forum→Best plants for a rock wall?

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Leavonworth Wa.
Jun 16, 2021 9:47 AM CST
We just built a rock wall and I want to know what plants etc. Can I plant between the rocks that will help the soil for stability? I live in Leavonworth Wa the soil here is very dry and sand.
Plus be pretty to the eye .
Thank you
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Name: Peggy
Temple, TX (Zone 8b)
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Jun 16, 2021 10:28 AM CST
I would think sedums (succulents) would do nicely there. Looks like the wall gets dappled sun. Though I've never tried it (mine are all in pots) I have seen lots of images on the internet of rock walls with various sedums planted in the spaces between rocks. There are so many colors and varieties, too!
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Name: Karen
New Mexico (Zone 8a)
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Jun 16, 2021 10:31 AM CST
Oh, that is going to be a gorgeous wall! I'd plant some small hen and chicks as well as sedums. The hen and chicks should do well in that situation and need very little water. Your rain will probably be enough to keep them all happy.
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Name: Karen
New Mexico (Zone 8a)
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Jun 16, 2021 12:14 PM CST
Please share a photo with us after you get the wall plantings established. I'm betting they'll grow quickly in your climate.
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Name: Rj
Just S of the twin cities of M (Zone 4b)
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Jun 16, 2021 7:49 PM CST
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Johnson City, Tennessee Zone 7
Jun 16, 2021 8:39 PM CST
My house in WA came with a similar rock area, not quite as much a wall as yours. But I found it ideal for alpine plants, since I could change the substrate between rocks for variety. I was in western WA and not as close to actual alpines as you are. You should be able to grow quite a variety, and having dry and sandy soil is perfect for most of them. If you aren't familiar with them, check out NARGS, the North American Rock Garden Society. When I lived in WA I was very active with the chapter that met in Seattle, you should find very friendly and helpful gardeners there to help advise you.
Leavonworth Wa.
Jun 18, 2021 8:52 AM CST
Thank you for all your help. I will look into the plants suggested. I will post photos when we are done.
Name: Sue Taylor
Northumberland, UK
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Jun 18, 2021 9:37 AM CST
Aubrieta looks lovely cascading down walls. Comes in lovely mainly purple shades.
Name: Big Bill
Livonia, Michigan (Zone 6a)
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Jun 18, 2021 9:47 AM CST
I love the rock wall too but I am going to suggest something to plant in addition to sedums.
How about clumps of daylilies? In openings in the rocks that are a bit larger, plant some of the larger hybrids. I am thinking of the whole color spectrum but plant a bunch of pinks here and then 20' away plant some red varieties. Odd numbers though, 3 of these, 5 of those, all fairly close to one another.
Then add something smaller like Stella D'Oro which as a yellow or golden yellow smaller grower that would allow you to bring in another color from the palette.
So pinks-reds- yellows and golds with cascading foliage or drooping foliage randomly spread along the wall would give you splashes of bright color against the large rock backdrop!!! Spectacular!
Plus these guys don't demand a ton of water and can handle dappled light. Then you have the different leaf shape and flower clusters of sedums, I think you will have a nice look!!
And you can add plants as you go, no need to do it in one year.

But I would keep it simple regarding whatever you decide. The rocks, the daylilies and sedums. I think if you add 10-15 different types of plants it might become too helter skelter!! Simple sometimes is best.
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[Last edited by BigBill - Jun 18, 2021 9:50 AM (+)]
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