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How to Create a Sempervivum Wall

Sempervivum are a genus of hardy, succulent, drought-tolerant plants with an appealing low growing habit. One of the most common of the Sempervivum are the hens and chicks, or house leeks. There are a wide variety of Sempervivum colors and sizes, from half an inch in diameter to 6 inches wide. These little plants are alpine in nature and perform beautifully on a rockery or stone wall. The succulents need very little soil to grow in and can survive in just a small amount of grit. Sempervivum will produce offsets or pups which arise from horizontal stems on the surface of the soil. They fill in quickly as these pups grow larger, or you can divide the offsets away from the parent and produce new plants.

Things You'll Need

  • Sempervivum plants
  • Slim trowel
  • Sand
  • Top soil
  • Bucket
  • Scissors
  • Plant mister
  • Pencil
  • Soil staples
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Instructions

    • 1

      Chose location for your different Sempervivum species. A wide variety of sizes, colors and textures looks best and highlights the diversity in the species. Use the trowel to hollow out areas in the wall where you will be planting. Chinks, holes, cracks or any break in the wall are ideal places for the plants.

    • 2

      Mix a soil of half sand and half top soil for fill dirt. In locations where the hole in the wall has no soil, lay a thin 2-inch pile of your fill dirt in the back of the hole. Remove the Sempervivum from the pot and spread out its roots gently. Large plants with many offsets should have these removed if the hole is too small for the whole plant. Simply pull or cut them off and save them for smaller chinks.

    • 3

      Pre-mist the roots of the succulent before you insert it into the hole. Press your fill dirt in around the plant and use a pencil or other slender item to compress it around the back of the plant and its roots.

    • 4

      Push a soil staple in around the base of the Sempervivum to help hold it into the vertical surface until it roots. Mist the exterior dirt slowly so the moisture has time to seep in. Moisten the plants every two to three days depending on the sun exposure. Do not let them dry out. Although Sempervivum are drought tolerant, they need to remain moist while rooting.

    • 5

      Remove the soil staples after two months. The Sempervivum should be well rooted by then. In severe summers you will need to spray the wall to keep the succulents moist, but they need no supplemental water in the other seasons.