Light: Full sun. Likewise, you could simply opt to grow said plants in a bed that’s just against the wall. Whether you’re creating beautiful planted containers, or want to soften the edges of raised garden beds and retaining walls, cascading plants are fabulously useful.With their long trailing stems, these are plants that grow naturally as groundcovers but, when given a little height, will attractively cover the vertical rather than the horizontal. Hens and Chicks are great plants for any rock garden because these small plants multiply as they grow, and because of their size, they are able to creep into the smallest spaces in the garden to make it fuller. I have had a dry stone wall built and I got the builder to cement in some plastic plant pots along the top so that I could plant some aubretia. Also, be judicious with prolific spreaders and with plants … They all cope with sun or partial shade. The plants in this display are Campanula carpatica ‘Blaue Clips’, Geum ‘Mrs J. Bradshaw’, Heuchera ‘Melting Fire’, Salvia nemorosa ‘New Dimension’ and scabious. USDA Growing Zones: 3 to 9; Color Varieties: Pink, purple, red, white. It’s a compact plant with fine grasslike foliage and showy pink or white ball-like blooms in the spring. Lichens and mosses which grow on the stonework itself are strongly affected by substrate and aspect, so variation in construction material and orientation can produce conditions suitable for different species. As they grow, creeping plants will cover much of the wall’s surface, so don’t overplant or you will lose the beauty of the stone. I always like the plant which sprawls over walls and has hundreds of little blue/purple flowers but have no idea what it is called. Q I recently had some stone walls built and asked for a central bed to be left to plant in. I intend to plant out when it … Know which plants will naturally cling to a wall and those that will need training and supports. The best time to stick this plant into crevices of walls is October, but you will not get this plant for sale then as it is always sold out in early May. There are a variety of plants suitable for this situation but the three plants I have trailing over my dry stone wall are Arabis, Aubrieta and Saponaria. Stone walls need not be drab. We get lots of questions about removing Buddleia plants growing out of you house and garden walls.They are one of these special plants that can grow just about anywhere their is space,in walls mainly created with lime mortar or in railway sidings.They seem to require little or no soil to get a foothold,and then they are away growing at a fantastic rate. The lichens I bought aubretia plugs and have overwintered them in my greenhouse and they are looking nice healthy plants. Thrift prefers poor soil and the plants may rot if grown in really rich or moist soil. Clip away the flowers as they fade to keep plants looking tidy. Water: Plant … alkaline than the stonework so a wall built of acid stone may still support lime loving plants. I would like something evergreen to be planted. Brighten them with pockets of colorful flowering plants like this lobelia. Discover more beautiful (and some edible) plants to grow in a living wall. Growing to 2' to 3' this taller plant also works well as background for smaller, low growing plants in the rock garden. The plant is drought-tolerant, though it prefers some moisture in the soil. Buy plants now and grow them on in the ground or in larger pots and containers - this will give you a ready … Hens and Chicks. Arabis caucasica is a perennial which grows to 9 inches high and spreads to about 24 inches. The blooms that these plants produce can be any color from blue and deep violet to a soft pink or lavender. Many cultivars are available on the market today in a wide variety of bloom colors. All three are flowering at the moment. Don’t select plants destined to grow taller than the garden wall. Prepare the soil before planting, as it can be thin and dry near walls. 6. Rule no 4 .