‘Plant in clusters or staggered rows for a dense, wispy screen that adds color texture to your garden. Space plants about 2 feet apart,’ continues Alexander.

Email questions to [email protected]. Attach photos for inquiries about plant pests or diseases. Please call 415-473-4910 to see when a master gardener will be at the office or drop off samples ...

The living wall was planted by Everett’s Landscaping. Last year, Everett’s won the Special Feature Award from Association of Grand Rapids Landscape Professionals for its work on the project.

Living Carbon is focusing for now on private land, where it will face fewer hurdles. Later this spring it will plant poplars on abandoned coal mines in Pennsylvania.