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Name: Holly Russian River Ca. (Zone 9b)   Hollyhawk Oct 15, 2014 9:36 PM CST |
| Hi all. Recently moved to the Russian River area and have a big problemo. Three feet in back of my house is a rocky cliff, about 20' wide x 10' tall. When it does rain hard the dirt just slides down to the side walk. Can't put in a retainer wall because of the large rock portions. This is a part sun am part shade pm, thinking ajuga, but maybe there is something more interesting. Any suggestions? I will be using a home made seed mat stapled in. This is going to be quite a bit of work so I cannot afford to make a mistake. Thanks in advance for your advice, Holly |
Name: Zuzu Northern California (Zone 9a)              zuzu Oct 17, 2014 1:22 PM CST |
| Some pretty "cliffs" in Sebastopol are covered by Delosperma: Ice Plant (Delosperma cooperi) I've used it to cover sloping areas and it holds the soil in place. Seed mats sound like a lot of work. I just buy flats and plug the plants in, leaving about 6-8 inches clearance around them. The plants quickly spread to fill those spaces. |
Name: Holly Russian River Ca. (Zone 9b) Hollyhawk Oct 21, 2014 12:55 PM CST |
| Thank you Zuzu. Thinking I will use a combo of plants. Plugs will work in parts. Unfortunately some of it will have to be mats. |
Name: Lyn Weaverville, California (Zone 8a)   RoseBlush1 Nov 30, 2014 7:16 PM CST |
| How steep is your cliff ? or is it more of a slope ? Lyn I'd rather weed than dust ... the weeds stay gone longer. |
Name: Holly Russian River Ca. (Zone 9b) Hollyhawk Dec 26, 2014 1:44 PM CST |
| Lyn, parts of it are concave having tree roots, maple and ca. bay hold the next section going up, which is climbable. |
Name: Lyn Weaverville, California (Zone 8a) RoseBlush1 Dec 26, 2014 7:39 PM CST |
| Hi Holly ... Are you saying that this part of your property is very vertical ? When I bought my house, what I call "the slope" was already planted by the previous owner, but I've found out the hard way, that the plants hide the drop offs and that in places, one could easily call sections of it a cliff. Mrs. J planted four different kinds of junipers going across the whole slope and I am certain they play a big role in holding the slope in place. For me, they are no care plants. They even came through the third year of extreme drought without supplemental watering. I consider them to be work horse plants for the slope. I only have to go up there every couple of years to remove volunteer pine trees and volunteer blackberries. Mrs. J kept them groomed, but I've let them just go natural and I like the look. To manage erosion in the areas that are not planted, Mrs. J faced the slope with river rock. She did plant some irises and vinca up there, but I don't work at making either thrive. They kind of have to take care of themselves because I am working in other areas of the garden. I do have a fence between the slope and the house pad, but it does not function as a retaining wall. Everything behind the fence is rocked. I am glad I didn't have to plant the slope because it is all rock. Digging holes for plants would have just about killed me. Mrs. J must have had help ...  I know when people think of landscaping with junipers, they think, "Yuk ! How boring !", but with the mix of different cultivars going across the whole area, it's really quite interesting. There are a couple of forsythia shrubs, a couple of liquid amber trees and in the center, she planted a white fir. These aren't the best photos, but they will give you an idea of what I am talking about.     The previous owner of my neighbor's property planted St. John's Wart and it has covered his slope quite well, but there are also junipers at the base. Both seem to control erosion problems. I hope this gives you some ideas. Smiles, Lyn I'd rather weed than dust ... the weeds stay gone longer. |
Name: Dirt (Zone 5b)        dirtdorphins Dec 28, 2014 12:55 PM CST |
| http://www.laspilitas.com/gard... Just curious...why do you 'have to' staple in a home-made seed mat? |
Name: Dee Moore Arroyo Grande, CA (Zone 9a)            DomehomeDee Jan 5, 2015 10:46 PM CST |
| I like the combo idea. I use Aptenia cordifolia on my "front slope" which is steep. If you need a box of cuttings, they root easy and I would send you some for postage, a little closer to spring would be better. Groundcover to the right of the stairs. Another one would be sedum album, that's been a real good one for coverage for me and it grows in sun and shade.  |
Name: Zuzu Northern California (Zone 9a) zuzu Jan 6, 2015 12:08 AM CST |
| Lucky girl, DHD. I'd love to have Aptenia cordifolia (Mesembryanthemum cordifolium) on my slope, but it dies back here in the frost. I have a large clump growing in a scree bed by the back door, but it has to start over from scratch each spring. Looks like it's thriving on your property. |
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