Test PB Collection: FTE

Ribes viburnifolium on 40% ET0 in April 2011. Photo: SK Reid. Evergreen currant is a California native with a wide-spreading, low-mounding habit that can be used as a low shrub or tall groundcover.

Rosa Korbin in September 2011 on 40% ET0. Photo: SK Reid. Iceberg rose is not new to the ornamental industry, but it is gaining popularity with landscape designers as a tough, drought and heat-tolerant landscape rose.

Aster Purple Dome in September 2011, caged for rabbit protection; 40% ETo. Photo SK Reid. Like other Michaelmas daisies, Purple Dome is an herbaceous perennial that dies to the ground in late fall/early winter and the only maintenance required is an annual cutting to the ground at this time.

Phlox Jagger in full bloom in April 2015 before treatment. Photo: SK Reid. Jagger is cultivar of groundcover or moss phlox with light mauve flowers from the Paparazzi series.

Phlox Levine in full bloom April 2015 before treatment. Photo: SK Reid. Levine is cultivar of groundcover or moss phlox with light mauve flowers from the Paparazzi series.

Phlox Adele in bloom March 2015 before treatment. Photo: SK Reid. These three cultivars of groundcover or moss phlox will be discussed together, since their results were very similar.

Phlomis purpurea in May 2013 on 20% ET0. Photo: SK Reid. This gray-foliaged Mediterranean plant performed best on the three lowest levels of irrigation. Growth differences did not show consistent variation dependent on irrigation.

Hypericum Red Ignite on 20% ET0 in September 2011. Photo: SK Reid.

A view of Ligustrum Sunshine on a variety of irrigation levels in September 2011. Photo: SK Reid.

Lomandra Seascape on 40% ET0 in September 2011. Photo: SK Reid. Following is a quote from a botanical website in Australia, where this plant is native.