. Plants
Columbia Green Technologies offers a variety of plant options to suit your regional climate and specific design needs. Choose from Pregrown Sedum, Plugs, Cuttings and Custom Plants to ensure a great looking green roof that will last for years to come.
PREGROWN SEDUM
Pregrown Sedum Tiles
Pregrown Sedum Tiles® can be used with both Trays and Layered Green Roof systems. The tiles can be trimmed to fit any shape, including curves and angles. Choose from a standard mix or contact us for custom mix options for your project.
Size: 12” wide x 24” Length; 95% Plant Coverage, 2 SF Per Tile
Pregrown Sedum Mats
Pregrown sedum mats are a prevegetated option for instant coverage on green roofs. They are field‐grown on a thin substrate and are compatible with the Planted‐In‐Place and Layered Green Roof systems. The mats can be trimmed to fit any shape, including curves and angles.
Size: 47” wide x 77” Length; 80% Plant Coverage, 25 SF per Roll
PLUGS AND CUTTINGS
Sedum Plugs
Sedum Plugs can be used with either our Layered or Planted‐In‐Place Green Roof Tray Systems. Plugs are available in a variety of sizes and species and are sourced from regional growers. Please contact a Columbia Green representative for current availability.
Size: #72 1-1/2”x 2” Standard Size, other sizes available
Cuttings
Sedum cuttings can be used with the Columbia Green Layered or Planted‐In‐Place Green Roof Tray systems. Unrooted sedum cuttings are machine harvested twice per year from mature sedum plants, once in the spring and once in the fall, and are available in a wide variety of species. Installation time for cuttings is during the growing season, typically March 15th through October 1st. Please contact a Columbia Green representative for current availability from regional growers.
Typical Application Rate: 150 lbs per 1,000 SF or more, Length, 1”-3”
CUSTOM PLANTS
For projects with custom planting, we allow the green roof installer to source your choice of custom perennials, grasses, shrubs and trees sourced from local nurseries. Contact us for advice on plant selection and media type, depth, and design. We can help you realize your green roof vision.
MAINTENANCE MANUAL
Included in this Maintenance Manual are recommendations for the successful establishment and ongoing maintenance of your green roof. Careful attention to these general guidelines will maintain the health, vigor and beauty of your green roof. If you require any further assistance, please contact us at info@columbia‐green.com or (503) 327.8723