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Plant Answer Line Question
I'm looking to plant in a narrow strip on our retaining walls some "spiller" plants which will overhang the walls (which face north).
I'd prefer evergreen plants which would fill in fairly quickly, but I could also mix in slower-growing and deciduous plants. There's great drainage since I have gravel reservoirs behind each wall, and the part of the plant above the wall will get part to full sun, though I could overplant them if necessary for a plant that couldn't handle full sun.
I would like plants with interesting foliage and form to soften the look of the walls, and so would prefer a furry look to a spiny one. Flowers and fragrance are less important though always nice, and I'm hoping to have at least 2 or 3 different plant types with different colored foliage (shades of green are fine).
Some of the plants that occur to me, based on the description of your site, are Brunnera macrophylla, Epimedium, Geranium phaeum, Stachys byzantina, Lamium maculatum, and Liriope. Of these, the Geranium and Lamium will trail somewhat, while the others are essentially upright.
You could also try entering your site requirements into the plant-finding and plant selection web pages below:
The Miller Library has many books on gardening in the shade, so you may wish to come in and do some research to help you in your plant selection. Here is a booklist that may be of interest.
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April 11 2017 13:50:16