I Have An Ugly Concrete Block Retaining Wall Behind My…
Martha Asked
I have an ugly concrete block retaining wall behind my house that I’d like to cover with something green. I’d have to plant above it and have something trail down it. Will an ivy do this? Or what else would you recommend?
The Gardener’s Answer
Hi, Martha in Kentucky: Using plant material to disguise features like you have is a great way to soften the space and make it more aesthetically pleasing. Choosing the right plant for the space will depend on the amount of sunlight the area receives. If ivy is your number one choice then you are in luck since it is not too picky in terms of growing conditions, and since it is evergreen it will provide you with year-round coverage. If you have more sun than shade, other evergreen options include Carolina Jasmine vine (Gelsemium sempervirens) and Crossvine (Bignonia capreolata). Yes, these are technically climbers but if you plant them on top of the retaining wall they will happily trail as well. If you are not concerned about the plant providing year-round coverage you might consider creeping phlox, climbing roses, clematis, or any of the trailing sedums as sun loving, non-evergreen options. If this area is more shade than sun, a climbing hydrangea would work but it is not evergreen. Actually ivy would be a great choice as you are dealing with more of a shady situation. The climbing hydrangea can take a while to get established and put on new growth, where the ivy will take off and cover the wall in no time. Whatever you decide to plant it is better to wait until the spring to plant these perennials as opposed to getting them in the ground now. As the soil freezes and thaws it can heave up newly planted perennials that have not had time to establish their roots. If you are only interested in covering the wall during the warmer months you will have many more annual options.