Trees and shrubs should be planted as they would in a normal landscape design. The roots can stay in the ground and will gradually rot thus improving the soil. The decayed bark slides down and over the bulkhead in places. I’ve purchased 4 15-gallon containers of Pandorea Jasminoides – Bowers Vine – that I want to train onto my wooden fence. Whenever possible, choose species native to your region, as they require less irrigation and fertilizer, both of which contribute to harmful run-off. Tommy Cowett Shows the process of designing and installing a landscape for a steep slope. The dead turf could be cut away to install the new plants. When I first planted my steep slope, I used dozens of standard recommendations of groundcovers such as grasses, desert penstemons and they either died or looked horrible. Jute does help the bank hold up, but the problem is that it absorbs water and this often prevents the plant roots from getting enough irrigation, since the jute absorbs it and even pulls the moisture out of the soil and then it simply evaporates into the air. Plants’ roots stabilize the soil from below, while vegetation above the ground prevents erosion. There are a number of varieties including one called ‘Graham Thomas’ that has white flowers that turn coppery yellow as they age. This low, spreading, evergreen shrub reaches one to 2 feet tall and spreads three to 4 feet wide in just a season or two. Standard recommendation is to hold the soil with grass (it dies in tough dry situations). However, on steep slopes and embankments, there is the elevated risk of erosion. Don't think that you are limited to ground covers (perennials and short shrubs that grow … Drought-resistant plants with spreading, fibrous root systems work well. The planting does not need to be boring. Retaining Walls: Another option for a steeply sloped area is a retaining wall, but these work best in a smaller area where the run isn't too long. It is also deer resistant. Figure 7 . The best plants for erosion control are drought-tolerant, have extensive fibrous roots, and feature spreading foliage to slow the velocity of heavy rain. Other native ground covers good for banks include Matilija poppy (Romneya coulteri), Manzanita (Archtostaphylos), and Monkey flower (Mimulus). Lantana is one of the best shrubs to plant near swimming pools that will survive longterm and hold a bank. Reinforced Steep Slopes Strata recognizes that maximizing land use is the most critical need and has a major cost impact on any site development. The more it rains, the more natural nutrients your plants lose. A good general rule when working on steep slopes is to strictly control vertical access. Posted on June 24, 2006 by Horticulture Guy - Peter Punzi. If your hillside is really steep like mine, you will automatically create curving footpaths across the slope as you plant & water. Careful planting successfully addresses both the aesthetic and practical landscaping challenges that a steep bank presents. How steep do you mean? The only thing that has been done to this area in the past is put down a rope type netting and bark on the rock, sand & gravel, then try to get ivy to grow, by only putting soil in each hole that a ivy plant was planted. For a dry slope that's difficult to water choose plants that cope in dry conditions. But whatever you do, I strongly suggest you build a low retaining wall on that side of the pool to hold back the bank. The Lafayette, Calif., "Homeowners Creek Guide to Maintenance, Repair and Planting" reports that willow trees are the best choice for easy establishment of creek bank vegetation. Bank Slope: The slope of the bank is the single most important factor that determines rate of erosion. Erosion Control Methods Grasses and Grass-like Plants Turf grass is the least effective type of grass for stabilizing a pond bank slope. If you’re into birds, and butterflies, using native plants will attract them to your bank. Some great options and cautions are discussed in this article. Virtually all species and selections of ceanothus are recommended for erosion control. Smaller plants set more closely together cover more quickly than larger plants farther apart. I would lean toward soil stabilizing shrubs. One of the best ways to control erosion with native plants on a steep slope is to plant it solidly with California lilac (Ceanothus.) Plant it immediately from flats and install a low-impact sprinkler system or drip irrigation and you will be amazed to see how quickly it covers the bank in growth and bloom. In back of the bulkhead, the 45-degree slope varies in the length of the slope from 10ft. Kids are likely to use it for jumping into the pool, and the tile front will make it look as if it’s a part of the swimming pool. (Any good nursery will order plants for you.) Though this is what I would do, there are many other native plants one could also consider, including a vast number of shrubs and subshrubs, several trees, many perennials, at least seven grasses, and two vines. Plants for steep, full-sun, sandy soil. The bank is on the side of the gravel road I cut back into the woods and around a 36" pipe going under the road to allow the free flow ... View Mr. Smarty Plants' Answer I know that our problem is a challenge, but I know from my past questions, that from my former requests that you can handle this one. You will not be able to purchase gazanias at native plant nurseries since gazanias are not California or western native plants. You are correct. If so, this will help hold the soil. They help stabilize … ), Gardening Question From Molly: Hello! The bordering evergreen trees shed their needles on this area increasing the acidity of the soil. … Our bottle may be 5 years old. Cover the slope and panty hose with a thick layer of mulch. I have indeed recommended many plants as bank covers that are native to Australia, South America, the Mediterranean Basin, and South Africa. By looking at this list you can find the nursery or nurseries closest to your home that can supply your chosen plants. Dec 4, 2014 - Explore L J's board "planting steep banks" on Pinterest. We have developed innovative techniques (low impact, low profile, low maintenance and low cost) to re-establish PERFORMANCE OF stability, STORM WATER MANAGEMENT AND HABITAT. Terraces: If the area is large and your slope is at least 30%, creating terraces would be a good plan for making more level planting, recreation, and seating areas. Thank you, Don Berglund – Lakewood, WA. Would you please let me know if this is a good idea. Planting them up with the right plants will help counter erosion, slow water runoff, provide quick coverage and reduce maintenance. If you decide to go along with my suggestion on Ceanothus, I also suggest you consult a book called simply “Ceanothus” by David Fross and Dieter Wilken. How steep do you mean? If desired, tile the side of the wall facing the pool in order to create a feature of the wall. Cut holes all the way through the panty hose for plants. Retaining walls are not always the answer. Some will survive with no irrigation once established, but many California native plants can survive in summer without irrigation. Other honeysuckles said not to be invasive are L. sempervirens ”Magnifica’, ‘Leo’, and ‘Superba’. This would be a permanent solution and once fully established would need no irrigation. It was built in a vacated gravel pit. It … Landscaping Ideas: How to Stabilize a Steep Slope. In areas where snow cover offers a layer of insulation, the flower buds often go undamaged. I live in the san Francisco Bay area and could you you let me know where I could buy these plants as well as some trailing Gazania? Your plant suggestions are outstanding. Other pioneer plants for hostile environments include Pigface, acacias, and Spinifex grasses that do well in coastal sand dunes can also provide spreading ground cover and erosion control on slopes. Plants suitable for river banks must be able to survive occasional flooding and possible erosion issues. If your streambank or shoreline is severely eroded, you will need to stabilize the soil to promote plant growth. Standard recommendation is to hold the soil with grass (it dies in tough dry situations). Plants help protect against erosion in several ways. Plants’ roots stabilize the soil from below, while vegetation above the ground prevents erosion. Clusters of small (young)Ponytail Palms are also very drought resistant and their bulbous “feet” can be planted to hold and divert rainfall across the slope and into little swales created behind trees and shrubs. Difficult to access, prone to erosion or dry soil, banks and slopes can be challenging for most gardeners. They are so good for colonising well and holding up the bank. Be sure to water well, when using jute mesh. One anomaly I notice is that you say that the slope is to the south and there are trees above which shade the slope. Gazanias are available for sale at virtually all nurseries except specialty nurseries. Plants for steep slopes Steeply sloped sites have many inherent issues, including soil displacement, erosion and the obvious safety challenges of working on potentially unstable, banked ground. Other varieties include ‘Berries Jubilee” with bright red berries bringing birds (but these for sure would be spread around), and ‘Belgica’ which is more shrubby and thus less spreading and rampant. Lantana montevidensis is a lovely trailer to two feet tall with rosy lavender flowers for much of the year and it is an old-standby, drought-resistant, bank cover that’s tough as nails and good looking. 10 plants that fight soil erosion and add color landscaping ideas: how to stabilize a steep slope home guides sf gate lessons from the hills: gardening on rocky slopes hudson valley chronogram magazine creeping juniper: care growing guide Riprap are large, irregular-shaped rocks that lock into place without any mortar. Plant selection depends on individual taste and what would best suit the area. One thing you could do quickly is to plant the slope solidly with gazanias for erosion control, and then later think of deeper rooted plants to put in with the gazanias. 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